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Morton M, Fiene G, Ahmed HI, Rey E, Abrouk M, Angel Y, Johansen K, Saber NO, Malbeteau Y, Al-Mashharawi S, Ziliani MG, Aragon B, Oakey H, Berger B, Brien C, Krattinger SG, Mousa MAA, McCabe MF, Negrão S, Tester M, Julkowska MM. Deciphering salt stress responses in Solanum pimpinellifolium through high-throughput phenotyping. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024. [PMID: 38970620 DOI: 10.1111/tpj.16894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 06/03/2024] [Indexed: 07/08/2024]
Abstract
Soil salinity is a major environmental stressor affecting agricultural productivity worldwide. Understanding plant responses to salt stress is crucial for developing resilient crop varieties. Wild relatives of cultivated crops, such as wild tomato, Solanum pimpinellifolium, can serve as a useful resource to further expand the resilience potential of the cultivated germplasm, S. lycopersicum. In this study, we employed high-throughput phenotyping in the greenhouse and field conditions to explore salt stress responses of a S. pimpinellifolium diversity panel. Our study revealed extensive phenotypic variations in response to salt stress, with traits such as transpiration rate, shoot mass, and ion accumulation showing significant correlations with plant performance. We found that while transpiration was a key determinant of plant performance in the greenhouse, shoot mass strongly correlated with yield under field conditions. Conversely, ion accumulation was the least influential factor under greenhouse conditions. Through a Genome Wide Association Study, we identified candidate genes not previously associated with salt stress, highlighting the power of high-throughput phenotyping in uncovering novel aspects of plant stress responses. This study contributes to our understanding of salt stress tolerance in S. pimpinellifolium and lays the groundwork for further investigations into the genetic basis of these traits, ultimately informing breeding efforts for salinity tolerance in tomato and other crops.
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Affiliation(s)
- Mitchell Morton
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Gabriele Fiene
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Hanin Ibrahim Ahmed
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Elodie Rey
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Michael Abrouk
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Yoseline Angel
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
- NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
- Earth System Science Interdisciplinary Center, University of Maryland, College Park, Maryland, USA
| | - Kasper Johansen
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Noha O Saber
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Yoann Malbeteau
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Samir Al-Mashharawi
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Matteo G Ziliani
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
- Hydrosat S.à r.l., 9 Rue du Laboratoire, Luxembourg City, 1911, Luxembourg
| | - Bruno Aragon
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Helena Oakey
- Robinson Institute, University of Adelaide, Adelaide, Australia
| | - Bettina Berger
- Australian Plant Phenomics Facility, University of Adelaide, Urrbrae, Australia
| | - Chris Brien
- Australian Plant Phenomics Facility, University of Adelaide, Urrbrae, Australia
| | - Simon G Krattinger
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Magdi A A Mousa
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University, Jeddah, 80208, Saudi Arabia
- Department of Vegetable Crops, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Matthew F McCabe
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Sónia Negrão
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
- University College, Dublin, Republic of Ireland
| | - Mark Tester
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Magdalena M Julkowska
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
- Boyce Thompson Institute, Ithaca, New York, USA
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2
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Dhar SK, Kaur J, Singh GB, Chauhan A, Tamang J, Lakhara N, Asyakina L, Atuchin V, Mudgal G, Abdi G. Novel Bacillus and Prestia isolates from Dwarf century plant enhance crop yield and salinity tolerance. Sci Rep 2024; 14:14645. [PMID: 38918548 PMCID: PMC11199671 DOI: 10.1038/s41598-024-65632-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 06/21/2024] [Indexed: 06/27/2024] Open
Abstract
Soil salinity is a major environmental stressor impacting global food production. Staple crops like wheat experience significant yield losses in saline environments. Bioprospecting for beneficial microbes associated with stress-resistant plants offers a promising strategy for sustainable agriculture. We isolated two novel endophytic bacteria, Bacillus cereus (ADJ1) and Priestia aryabhattai (ADJ6), from Agave desmettiana Jacobi. Both strains displayed potent plant growth-promoting (PGP) traits, such as producing high amounts of indole-3-acetic acid (9.46, 10.00 µgml-1), ammonia (64.67, 108.97 µmol ml-1), zinc solubilization (Index of 3.33, 4.22, respectively), ACC deaminase production and biofilm formation. ADJ6 additionally showed inorganic phosphate solubilization (PSI of 2.77), atmospheric nitrogen fixation, and hydrogen cyanide production. Wheat seeds primed with these endophytes exhibited enhanced germination, improved growth profiles, and significantly increased yields in field trials. Notably, both ADJ1 and ADJ6 tolerated high salinity (up to 1.03 M) and significantly improved wheat germination and seedling growth under saline stress, acting both independently and synergistically. This study reveals promising stress-tolerance traits within endophytic bacteria from A. desmettiana. Exploiting such under-explored plant microbiomes offers a sustainable approach to developing salt-tolerant crops, mitigating the impact of climate change-induced salinization on global food security.
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Affiliation(s)
- Sanjoy Kumar Dhar
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
| | - Jaspreet Kaur
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
| | - Gajendra Bahadur Singh
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
| | - Arjun Chauhan
- Department of Biotechnology, Institute of Applied Sciences & Humanities, GLA University, Mathura, Uttar Pradesh, 281406, India
| | - Jeewan Tamang
- University Institute of Agricultural Sciences, Chandigarh University, Mohali, Punjab, 140413, India
- Khaniyabas Rural Municipality, Province 3, Dhading, Bagmati Zone, 45100, Nepal
| | - Nikita Lakhara
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India
| | - Lyudmila Asyakina
- Laboratory for Phytoremediation of Technogenically Disturbed Ecosystems, Kemerovo State University, Krasnaya Street, 6, Kemerovo, Russia, 650000
| | - Victor Atuchin
- Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, Russia, 630090
- Research and Development Department, Kemerovo State University, Kemerovo, Russia, 650000
- Department of Industrial Machinery Design, Novosibirsk State Technical University, Novosibirsk, Russia, 630073
- R&D Center "Advanced Electronic Technologies", Tomsk State University, Tomsk, Russia, 634034
| | - Gaurav Mudgal
- University Institute of Biotechnology, Chandigarh University, Mohali, Punjab, 140413, India.
- Center for Waste Management and Renewable Energy, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600077, India.
| | - Gholamreza Abdi
- Department of Biotechnology, Persian Gulf Research Institute, Persian Gulf University, Bushehr, 75169, Iran.
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Li S, Lu S, Wang J, Liu Z, Yuan C, Wang M, Guo J. Divergent effects of single and combined stress of drought and salinity on the physiological traits and soil properties of Platycladus orientalis saplings. FRONTIERS IN PLANT SCIENCE 2024; 15:1351438. [PMID: 38903426 PMCID: PMC11187290 DOI: 10.3389/fpls.2024.1351438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 05/22/2024] [Indexed: 06/22/2024]
Abstract
Drought and salinity are two abiotic stresses that affect plant productivity. We exposed 2-year-old Platycladus orientalis saplings to single and combined stress of drought and salinity. Subsequently, the responses of physiological traits and soil properties were investigated. Biochemical traits such as leaf and root phytohormone content significantly increased under most stress conditions. Single drought stress resulted in significantly decreased nonstructural carbohydrate (NSC) content in stems and roots, while single salt stress and combined stress resulted in diverse response of NSC content. Xylem water potential of P. orientalis decreased significantly under both single drought and single salt stress, as well as the combined stress. Under the combined stress of drought and severe salt, xylem hydraulic conductivity significantly decreased while NSC content was unaffected, demonstrating that the risk of xylem hydraulic failure may be greater than carbon starvation. The tracheid lumen diameter and the tracheid double wall thickness of root and stem xylem was hardly affected by any stress, except for the stem tracheid lumen diameter, which was significantly increased under the combined stress. Soil ammonium nitrogen, nitrate nitrogen and available potassium content was only significantly affected by single salt stress, while soil available phosphorus content was not affected by any stress. Single drought stress had a stronger effect on the alpha diversity of rhizobacteria communities, and single salt stress had a stronger effect on soil nutrient availability, while combined stress showed relatively limited effect on these soil properties. Regarding physiological traits, responses of P. orientalis saplings under single and combined stress of drought and salt were diverse, and effects of combined stress could not be directly extrapolated from any single stress. Compared to single stress, the effect of combined stress on phytohormone content and hydraulic traits was negative to P. orientalis saplings, while the combined stress offset the negative effects of single drought stress on NSC content. Our study provided more comprehensive information on the response of the physiological traits and soil properties of P. orientalis saplings under single and combined stress of drought and salt, which would be helpful to understand the adapting mechanism of woody plants to abiotic stress.
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Affiliation(s)
- Shan Li
- Department of Environmental Science and Ecology, School of Environmental Science and Engineering, Shaanxi University of Science and Technology, Xi’an, China
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Chen L, Zhou G, Feng B, Wang C, Luo Y, Li F, Shen C, Ma D, Zhang C, Zhang J. Saline-alkali land reclamation boosts topsoil carbon storage by preferentially accumulating plant-derived carbon. Sci Bull (Beijing) 2024:S2095-9273(24)00357-8. [PMID: 38910109 DOI: 10.1016/j.scib.2024.03.063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 06/25/2024]
Abstract
Saline-alkali land is an important cultivated land reserve resource for tackling global climate change and ensuring food security, partly because it can store large amounts of carbon (C). However, it is unclear how saline-alkali land reclamation (converting saline-alkali land into cultivated land) affects soil C storage. We collected 189 adjacent pairs of salt-affected and cultivated soil samples (0-30 cm deep) from the Songnen Plain, eastern coastal area, Hetao Plain, and northwestern arid area in China. Various soil properties, the soil inorganic C (SIC), organic C (SOC), particulate organic C (POC), and mineral-associated organic C (MAOC) densities, and plant- and microbial-derived C accumulation were determined. Saline-alkali land reclamation inconsistently affected the SIC density but significantly (P < 0.001) increased the SOC density. The SOC, POC, and MAOC densities were predicted well by the integrative soil amelioration index. Saline-alkali land reclamation significantly increased plant-derived C accumulation and the plant-derived C to microbial-derived C ratios in all saline-alkali areas, and less microbial transformation of plant-derived C (i.e., less lignin degradation or oxidation) occurred in cultivated soils than salt-affected soils. The results indicated that saline-alkali land reclamation leads to plant-derived C becoming the dominant contributor of SOC storage. POC storage and MAOC storage were strongly linked to plant- and microbial-derived C accumulation, respectively, caused by saline-alkali land reclamation. Our findings suggest that saline-alkali land reclamation increases C storage in topsoil by preferentially promoting plant-derived C accumulation.
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Affiliation(s)
- Lin Chen
- State Key Laboratory of Soil and Sustainable Agriculture, Fengqiu Experimental Station of National Ecosystem Research Network of China, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China
| | - Guixiang Zhou
- State Key Laboratory of Soil and Sustainable Agriculture, Fengqiu Experimental Station of National Ecosystem Research Network of China, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China
| | - Biao Feng
- State Key Laboratory of Soil and Sustainable Agriculture, Fengqiu Experimental Station of National Ecosystem Research Network of China, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Chao Wang
- CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
| | - Yu Luo
- Institute of Soil and Water Resources and Environmental Science, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Fang Li
- College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China
| | - Congcong Shen
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Donghao Ma
- State Key Laboratory of Soil and Sustainable Agriculture, Fengqiu Experimental Station of National Ecosystem Research Network of China, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China
| | - Congzhi Zhang
- State Key Laboratory of Soil and Sustainable Agriculture, Fengqiu Experimental Station of National Ecosystem Research Network of China, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China
| | - Jiabao Zhang
- State Key Laboratory of Soil and Sustainable Agriculture, Fengqiu Experimental Station of National Ecosystem Research Network of China, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 211135, China; University of Chinese Academy of Sciences, Beijing 100049, China.
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5
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Xeni C, Gribble MO, Oude Essink GHP, Fleming LE, Makris KC. Temporal dynamics of drinking water sodium levels in coastal areas, Cyprus 2009-2020. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 937:173332. [PMID: 38768730 DOI: 10.1016/j.scitotenv.2024.173332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 04/16/2024] [Accepted: 05/16/2024] [Indexed: 05/22/2024]
Abstract
Around the world, groundwater salinity levels are increasing in coastal areas, as a result of its systematic overexploitation for domestic, agricultural and industrial demand and potentially due to climate change manifestations (such as, sea level rise). We hypothesized that the groundwater quality of many Mediterranean coastal areas is already being perturbed, especially for water salinity, depending on the groundwater distance from the seafront. The objectives of this study were: i) to evaluate the magnitude and temporal variance of drinking water sodium (Na) as a metric of salt intake used for public health purposes using drinking water data in Cyprus; and ii) to examine the degree of Na enrichment in drinking water as defined by the seawater coastline distance of each sampling point. Open access governmental data of drinking water Na (n = 3304), daily max ambient air temperature and total rainfall were obtained for the period of 2009-2020 from governmental repositories. Linear mixed-effect regression models of drinking water Na with unsupervised covariance matrix were used. After adjusting for temperature and rainfall data, there was a significant annual increase in drinking water Na levels over time (beta = 0.01; 95 % CI: 0.00, 0.02; p = 0.02) for the coastal areas (<10 km from coastline, cutoff used by the EU Environment Agency), but this was not the case for non-coastal areas (>10 km distance from coastline). The distance of each sampling point from the coastline in Cyprus was negatively associated with drinking water Na in coastal areas (beta = -0.04, 95%CI: -0.06, -0.01; p = 0.002); this was not the case for non-coastal areas. More research is warranted to better understand the impacts of global environmental change on water quality in association with the burden of disease in coastal areas.
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Affiliation(s)
- Christina Xeni
- Cyprus International Institute for Environmental and Public Health, School of Health Sciences, Cyprus University of Technology, Limassol 3041, Cyprus
| | - Matthew O Gribble
- Department of Medicine, Division of Occupational, Environmental, and Climate Medicine, University of California, San Francisco, CA, USA
| | - Gualbert H P Oude Essink
- Department of Physical Geography, Utrecht University, Utrecht, the Netherlands; Deltares, Unit Subsurface and Groundwater Systems, Delft, The Netherlands
| | - Lora E Fleming
- European Centre for Environment and Human Health, University of Exeter Medical School, Truro, Cornwall, UK
| | - Konstantinos C Makris
- Cyprus International Institute for Environmental and Public Health, School of Health Sciences, Cyprus University of Technology, Limassol 3041, Cyprus.
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Verniest F, Galewski T, Boutron O, Dami L, Defos du Rau P, Guelmami A, Julliard R, Popoff N, Suet M, Willm L, Abdou W, Azafzaf H, Bendjedda N, Bino T, Borg JJ, Božič L, Dakki M, Hamoumi RE, Encarnação V, Erciyas-Yavuz K, Etayeb K, Georgiev V, Hamada A, Hatzofe O, Ieronymidou C, Langendoen T, Mikuska T, Molina B, Moniz F, Moussy C, Ouassou A, Petkov N, Portolou D, Qaneer T, Sayoud S, Šćiban M, Topić G, Uzunova D, Vine G, Vizi A, Xeka E, Zenatello M, Gaget E, Viol IL. Exposure of wetlands important for nonbreeding waterbirds to sea-level rise in the Mediterranean. CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2024:e14288. [PMID: 38757477 DOI: 10.1111/cobi.14288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 02/27/2024] [Accepted: 02/28/2024] [Indexed: 05/18/2024]
Abstract
Sea-level rise (SLR) is expected to cause major changes to coastal wetlands, which are among the world's most vulnerable ecosystems and are critical for nonbreeding waterbirds. Because strategies for adaptation to SLR, such as nature-based solutions and designation of protected areas, can locally reduce the negative effects of coastal flooding under SLR on coastal wetlands, it is crucial to prioritize adaptation efforts, especially for wetlands of international importance for biodiversity. We assessed the exposure of coastal wetlands important for nonbreeding waterbirds to projected SLR along the Mediterranean coasts of 8 countries by modeling future coastal flooding under 7 scenarios of SLR by 2100 (from 44- to 161-cm rise) with a static inundation approach. Exposure to coastal flooding under future SLR was assessed for 938 Mediterranean coastal sites (≤30 km from the coastline) where 145 species of nonbreeding birds were monitored as part of the International Waterbird Census and for which the monitoring area was delineated by a polygon (64.3% of the coastal sites monitored in the Mediterranean region). Thirty-four percent of sites were threatened by future SLR, even under the most optimistic scenarios. Protected study sites and study sites of international importance for waterbirds were, respectively, 1.5 and 2 times more exposed to SLR than the other sites under the most optimistic scenario. Accordingly, we advocate for the development of a prioritization scheme to be applied to these wetlands for the implementation of strategies for adaptation to SLR to anticipate the effects of coastal flooding. Our study provides major guidance for conservation planning under global change in several countries of the Mediterranean region.
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Affiliation(s)
- Fabien Verniest
- Tour du Valat, Institut de recherche pour la conservation des zones humides méditerranéennes, Arles, France
- Centre d'Ecologie et des Sciences de la Conservation (CESCO), Muséum national d'Histoire naturelle, Centre National de la Recherche Scientifique, Sorbonne Université, Station Marine de Concarneau, Concarneau Cedex, France
| | - Thomas Galewski
- Tour du Valat, Institut de recherche pour la conservation des zones humides méditerranéennes, Arles, France
| | - Olivier Boutron
- Tour du Valat, Institut de recherche pour la conservation des zones humides méditerranéennes, Arles, France
| | - Laura Dami
- Tour du Valat, Institut de recherche pour la conservation des zones humides méditerranéennes, Arles, France
| | | | - Anis Guelmami
- Tour du Valat, Institut de recherche pour la conservation des zones humides méditerranéennes, Arles, France
| | - Romain Julliard
- Centre d'Ecologie et des Sciences de la Conservation (CESCO), Muséum national d'Histoire naturelle, Centre National de la Recherche Scientifique, Sorbonne Université, Station Marine de Concarneau, Concarneau Cedex, France
| | - Nadège Popoff
- Aquabio, 108 Av. du Lac Léman, La Motte-Servolex, France
| | - Marie Suet
- Tour du Valat, Institut de recherche pour la conservation des zones humides méditerranéennes, Arles, France
| | - Loïc Willm
- Tour du Valat, Institut de recherche pour la conservation des zones humides méditerranéennes, Arles, France
| | - Wed Abdou
- Egyptian Environmental Affairs Agency, El Maadi Helwan, Egypt
| | - Hichem Azafzaf
- Association "Les Amis des Oiseaux" (AAO/BirdLife en Tunisie), Ariana, Tunisia
| | | | - Taulant Bino
- Albanian Ornithological Society, "Ymer Kurti", Olympia Center, Tirana, Albania
| | - John J Borg
- National Museum of Natural History, Vilhena Palace, Mdina, Malta
| | - Luka Božič
- DOPPS - Birdlife Slovenia, Ljubljana, Slovenia
| | - Mohamed Dakki
- Groupe de Recherche pour la Protection des Oiseaux au Maroc (GREPOM), Résidence Oum Hani IV, Salé, Morocco
| | - Rhimou El Hamoumi
- Ecology and Environment Laboratory, Faculty of Sciences Ben M'sik, University Hassan II of Casablanca, Casablanca, Morocco
| | - Vitor Encarnação
- Instituto da Conservação da Natureza e das Florestas, IP (ICNF), Centro de Estudos de Migrações e Proteção de Aves (CEMPA), Lisboa, Portugal
| | | | - Khaled Etayeb
- Zoology Department, Faculty of Science, the University of Tripoli. Alfornaj, Tripoli, Libya
| | - Valeri Georgiev
- Ministry of Environment and Water, National Nature Protection Service Directorate, Sofia, Bulgaria
| | - Ayman Hamada
- Egyptian Environmental Affairs Agency, El Maadi Helwan, Egypt
| | - Ohad Hatzofe
- Israel Nature and Parks Authority Headquarters Am V'Olamo 3, Jerusalem, Israel
| | | | | | - Tibor Mikuska
- Croatian Society for Bird and Nature Protection, Osijek, Croatia
| | - Blas Molina
- Sociedad Española de Ornitología (SEO/BirdLife), Madrid, Spain
| | - Filipe Moniz
- Instituto da Conservação da Natureza e das Florestas, Lisbon, Portugal
| | - Caroline Moussy
- LPO-BirdLife France, Fonderies Royales, Rochefort Cedex, France
| | - Asmaâ Ouassou
- Groupe de Recherche pour la Protection des Oiseaux au Maroc (GREPOM), Résidence Oum Hani IV, Salé, Morocco
| | - Nicky Petkov
- Bulgarian Society for the Protection of Birds, Sofia, Bulgaria
| | | | - Tareq Qaneer
- The Royal Society for the Conservation of Nature (RSCN), Jubaiha, Jordan
| | - Samir Sayoud
- Direction générale des Forêts, Ben Aknoun, Algeria
| | - Marko Šćiban
- Bird Protection and Study Society of Serbia, Novi Sad, Serbia
| | - Goran Topić
- Nase Ptice Ornithological Society, Sarajevo, Bosnia and Herzegovina
| | | | - Gal Vine
- The Royal Society for the Conservation of Nature (RSCN), Jubaiha, Jordan
| | - Andrej Vizi
- History Museum of Montenegro, Trg Vojvode Bećir-bega Osmanagića 16, Podgorica, Montenegro
| | - Erald Xeka
- Albanian Ornithological Society, "Ymer Kurti", Olympia Center, Tirana, Albania
| | - Marco Zenatello
- Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Ozzano dell'Emilia, Italy
| | - Elie Gaget
- Department of Biology, University of Turku, Turku, Finland
| | - Isabelle Le Viol
- Centre d'Ecologie et des Sciences de la Conservation (CESCO), Muséum national d'Histoire naturelle, Centre National de la Recherche Scientifique, Sorbonne Université, Station Marine de Concarneau, Concarneau Cedex, France
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7
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Lado JJ, García-Quismondo E, Fombona-Pascual A, Mavrandonakis A, de la Cruz C, Oropeza FE, de la Peña O'Shea VA, de Smet LCPM, Palma J. Tuning mono-divalent cation water composition by the capacitive ion-exchange mechanism. WATER RESEARCH 2024; 255:121469. [PMID: 38493740 DOI: 10.1016/j.watres.2024.121469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 03/01/2024] [Accepted: 03/12/2024] [Indexed: 03/19/2024]
Abstract
Soil salinization poses a significant challenge to agricultural activities. To address this, the agricultural industry seeks an irrigation water solution that reduces both ionic conductivity and sodium adsorption rate (SAR), thereby diminishing the risks of soil sodification and fostering sustainable crop production. Capacitive deionization (CDI) is an attractive electrochemical technology to advance this search. Recently, a one-dimensional transient CDI model unveiled a capacitive ion-exchange mechanism presenting the potential to adjust the treated water composition by modifying monovalent and divalent cation concentrations, thereby influencing the SAR index. This behavior would be achieved by using electrodes rich in surface functional groups able to efficiently capture divalent cations during conditioning and releasing them during charging while capturing monovalent ions. Beyond the theoretical modelling, the current experimental research demonstrates, for the first time, the effectiveness of the capacitive ion-exchange mechanism in a CDI pilot plant using real water samples spiked with solutions containing specific mono and divalent ions. Electrosorption experiments and computational modeling, specifically Density-Functional Theory (DFT), were used along with the analysis of the surface functional groups present in the electrodes to describe the capacitive ion-exchange phenomenon and validate the steps involved on it, highlighting the conditioning as a critical step. Various operational and flow modes confirm the versatility of CDI technology, achieving separation factors (RMg/Na) of 5-6 in batch, raising production from 0.5 to 0.8 L m-2 h-1 (batch) to 8.0-8.1 L m-2 h-1 when using single pass although reducing RMg/Na to 2. The reliability of the CDI technology in reducing SAR was also successfully tested with different influent compositions, including magnesium and calcium. Finally, the robustness of the capacitive ion-exchange mechanism was validated by a second CDI laboratory 9-cell stack cycled over 350 cycles. Our results confirm the reported theoretical model and expands the conclusions through the experiments in a pilot plant showing direct implications for employing CDI in agricultural applications.
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Affiliation(s)
- Julio J Lado
- Electrochemical Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles 28935, Madrid, Spain.
| | - Enrique García-Quismondo
- Electrochemical Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles 28935, Madrid, Spain
| | - Alba Fombona-Pascual
- Electrochemical Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles 28935, Madrid, Spain
| | - Andreas Mavrandonakis
- Electrochemical Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles 28935, Madrid, Spain
| | - Carlos de la Cruz
- Electrochemical Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles 28935, Madrid, Spain
| | - Freddy E Oropeza
- Photoactivated Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, 28935, Madrid, Spain
| | - Victor A de la Peña O'Shea
- Photoactivated Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles, 28935, Madrid, Spain
| | - Louis C P M de Smet
- Advanced Interfaces & Materials, Laboratory of Organic Chemistry, Wageningen University, Stippeneng 4, Wageningen 6708 WE, the Netherlands
| | - Jesús Palma
- Electrochemical Processes Unit, IMDEA Energy Institute, Avda. Ramón de la Sagra 3, Móstoles 28935, Madrid, Spain
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8
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Aina OE, Mugivhisa LL, Olowoyo JO, Obi CL. Heavy metals and potential health risk assessment of Lactuca sativa and Daucus carrota from soil treated with organic manures and chemical fertilizer. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:538. [PMID: 38730206 PMCID: PMC11087361 DOI: 10.1007/s10661-024-12687-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 04/30/2024] [Indexed: 05/12/2024]
Abstract
The large-scale production of food crops with heavy application of chemical fertilizers in the effort to meet the astronomical increase in food demands may be counterproductive to the goal of food security. This study investigated the effect of different soil treatments on the levels of heavy metals (Cr, Cu, Fe, Ni, Pb, and Zn) in two types of vegetables Lactuca sativa (lettuce) and Daucus carrota (carrot). The potential carcinogenic and non-carcinogenic health risks from their consumption were also evaluated. Planting experiment was set up in a randomized block design, with different soil treatments of soil + cow dung (CD), soil + sewage sludge (SS), soil + chemical fertilizer (nitrogen-phosphorus-potassium (NPK)), and untreated soil (UNTRD). The vegetables were harvested at maturity, washed with distilled water, and subjected to an acid digestion process before the levels of heavy metals were measured by inductively coupled plasma spectrometry (ICP-MS). The mean concentrations of the metals in the vegetables across all treatments were below the maximum permissible limits. The pattern of heavy metal accumulation by the vegetables suggested that the lettuce from SS treatment accumulated higher concentrations of heavy metals like Cr (0.20 mg/kg), Cu (3.91 mg/kg), Ni (0.33 mg/kg), and Zn (20.44 mg/kg) than carrot, with highest concentrations of Fe (90.89 mg/kg) and Pb (0.16 mg/kg) recorded in lettuce from NPK treatment. The bioaccumulation factor (BAF) showed that lettuce, a leafy vegetable, has bioaccumulated more heavy metals than carrot, a root vegetable. The BAF was generally below the threshold value of 1 in both vegetables, except in lettuce from NPK and CD treatments and carrot from NPK treatments, with BAF values of 1.6, 1.69, and 1.39, respectively. The cancer risk assessment factors were well below the unacceptable maximum range of 10-4 suggesting that consuming these vegetables might not expose an individual to potential risk of cancer development. The hazard quotient estimations were below the threshold values of 1 for all heavy metals; however, the hazard index (HI) values of 1.27 and 1.58 for lettuce from NPK and SS treatments indicate a potential non-carcinogenic health risk to consumers from intake of all the heavy metals.
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Affiliation(s)
- O E Aina
- Department of Biology and Environmental Science: School of Science and Technology, Sefako Makgatho Health Sciences University, Pretoria, South Africa.
| | - L L Mugivhisa
- Department of Biology and Environmental Science: School of Science and Technology, Sefako Makgatho Health Sciences University, Pretoria, South Africa
| | - J O Olowoyo
- Department of Health Sciences and The Water School, Florida Gulf Coast University, Fort Myers, FL, 33965, USA
| | - C L Obi
- Department of Biology and Environmental Science: School of Science and Technology, Sefako Makgatho Health Sciences University, Pretoria, South Africa
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9
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Zhou T, Lv Q, Zhang L, Fan J, Wang T, Meng Y, Xia H, Ren X, Hu S. Converted paddy to upland in saline-sodic land could improve soil ecosystem multifunctionality by enhancing soil quality and alleviating microbial metabolism limitation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171707. [PMID: 38490429 DOI: 10.1016/j.scitotenv.2024.171707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/17/2024]
Abstract
Soil salinization is one of the major soil degradation threats worldwide, and parameters related to soil quality and ecosystem multifunctionality (EMF) are crucial for evaluating the success of reclamation efforts in saline-sodic wasteland (WL). Microbial metabolic limitation is also one of the main factors that influences EMF in agricultural cropping systems. A ten-year localization experiment was conducted to reveal the key predictors of soil quality index (SQI) values, microbial metabolic characteristics, and EMF in different farmland cropping systems. A random forest model showed that the β-glucosidase (BG), cellobiosidase (CBH) and saturated hydraulic conductivity (SHC) of the SQI factors were the main driving forces of soil EMF. Compared to monoculture models, such as paddy field (PF) or upland field (UF), the converted paddy field to upland field (CF) cropping system was most effective at improving EMF in reclaimed saline-sodic WL, increasing this metric by 275.35 %. CF integrates practices from both PF and UF planting systems, improved soil quality and relieves microbial metabolic limitation. Specifically, both CF and PF significantly reduced soil pH (by 16-23 %) and sodium adsorption ration (SAR) (by 65-83 %) and significantly reduced the abundance of large macroaggregates. Moreover, CF significantly improved soil saturated hydraulic conductivity relative to PF and UF (p < 0.05), indicating an improvement in soil physical properties. Overall, although reclamation improved SQI compared to WL (0.25), the EMF of CF (0.56) was significantly higher than that of other treatments (p < 0.05). Thus, while increasing SQI can improve soil EMF, it was not as effective alone as it was when combined with more comprehensive efforts that focus on improving various soil properties and alleviating microbial metabolic limitations. Therefore, our results suggested that future saline-sodic wasteland reclamation efforts should avoid monoculture systems to enhance soil EMF.
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Affiliation(s)
- Tairan Zhou
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China
| | - Qilin Lv
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China
| | - Luxin Zhang
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China
| | - Jingbiao Fan
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China
| | - Tianhao Wang
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China
| | - Yunshan Meng
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China
| | - Haiyang Xia
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China
| | - Xueqin Ren
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China.
| | - Shuwen Hu
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan west road, Haidian District, Beijing 100193, PR China; Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, No. 2 Yuanmingyuan West Road, Haidian District, Beijing 100193, PR China.
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10
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Prăvălie R, Borrelli P, Panagos P, Ballabio C, Lugato E, Chappell A, Miguez-Macho G, Maggi F, Peng J, Niculiță M, Roșca B, Patriche C, Dumitrașcu M, Bandoc G, Nita IA, Birsan MV. A unifying modelling of multiple land degradation pathways in Europe. Nat Commun 2024; 15:3862. [PMID: 38719912 PMCID: PMC11079025 DOI: 10.1038/s41467-024-48252-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 04/23/2024] [Indexed: 05/12/2024] Open
Abstract
Land degradation is a complex socio-environmental threat, which generally occurs as multiple concurrent pathways that remain largely unexplored in Europe. Here we present an unprecedented analysis of land multi-degradation in 40 continental countries, using twelve dataset-based processes that were modelled as land degradation convergence and combination pathways in Europe's agricultural (and arable) environments. Using a Land Multi-degradation Index, we find that up to 27%, 35% and 22% of continental agricultural (~2 million km2) and arable (~1.1 million km2) lands are currently threatened by one, two, and three drivers of degradation, while 10-11% of pan-European agricultural/arable landscapes are cumulatively affected by four and at least five concurrent processes. We also explore the complex pattern of spatially interacting processes, emphasizing the major combinations of land degradation pathways across continental and national boundaries. Our results will enable policymakers to develop knowledge-based strategies for land degradation mitigation and other critical European sustainable development goals.
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Affiliation(s)
- Remus Prăvălie
- University of Bucharest, Faculty of Geography, 1 Nicolae Bălcescu Street, 010041, Bucharest, Romania.
- University of Bucharest, Research, Institute of the University of Bucharest (ICUB), 90-92 Panduri Street, 050663, Bucharest, Romania.
- Academy of Romanian Scientists, 54 Splaiul Independentei Street, 050094, Bucharest, Romania.
| | - Pasquale Borrelli
- Department of Environmental Sciences, Environmental Geosciences, University of Basel, Basel, Switzerland
- Department of Science, Roma Tre University, Rome, Italy
| | - Panos Panagos
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | | | - Emanuele Lugato
- European Commission, Joint Research Centre (JRC), Ispra, Italy
| | - Adrian Chappell
- School of Earth and Environmental Sciences, Cardiff University, Wales, United Kingdom
| | - Gonzalo Miguez-Macho
- CRETUS, Non-Linear Physics Group, Faculty of Physics, Universidade de Santiago de Compostela, Galicia, Spain
| | - Federico Maggi
- Environmental Engineering, School of Civil Engineering, The University of Sydney, Sydney, NSW, Australia
| | - Jian Peng
- Laboratory for Earth Surface Processes, Ministry of Education, College of Urban and Environmental Sciences, Peking University, Beijing, China
| | - Mihai Niculiță
- Alexandru Ioan Cuza University, Faculty of Geography and Geology, Department of Geography, 20A Carol I Street, 700506, Iași, Romania
| | - Bogdan Roșca
- Romanian Academy, Iași Divison, Geography Department, 8 Carol I Street, 700505, Iași, Romania
| | - Cristian Patriche
- Romanian Academy, Iași Divison, Geography Department, 8 Carol I Street, 700505, Iași, Romania
| | - Monica Dumitrașcu
- Institute of Geography, Romanian Academy, 12 Dimitrie Racoviță Street, 023993, Bucharest, Romania
| | - Georgeta Bandoc
- University of Bucharest, Faculty of Geography, 1 Nicolae Bălcescu Street, 010041, Bucharest, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei Street, 050094, Bucharest, Romania
| | | | - Marius-Victor Birsan
- Institute of Geography, Romanian Academy, 12 Dimitrie Racoviță Street, 023993, Bucharest, Romania
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11
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Kimera F, Mugwanya M, Madkour K, Dawood MAO, Sewilam H. Maximization of brackish water productivity for the sustainable production of striped catfish (Pangasianodon hypophthalmus) and grain sorghum (Sorghum bicolor (L.) Moench) cultivated under an integrated aquaculture-agriculture system. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:31878-31895. [PMID: 38639907 PMCID: PMC11133108 DOI: 10.1007/s11356-024-33216-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 04/02/2024] [Indexed: 04/20/2024]
Abstract
Freshwater scarcity, salinity, and poor soil fertility are the major challenges affecting both food and feed productions in arid and semi-arid regions of the world. Utilization of brackish water in the production of saline-tolerant fish and valuable field crops under an integrated system is promising in the maximization of yield per crop. The aim of this study, therefore, was to (1) assess the effect of saline aquaculture wastewater on the growth, yield, forage quality, and nutritive composition of sorghum seeds and (2) assess the effect of different water qualities on the survival, growth performance, and health status of Pangasianodon hypophthalmus. The experiment was conducted in a randomized completely block design of four salinity treatments with three replicates, i.e., control (freshwater mixed with inorganic fertilizers), 5000 ppm, 10,000 ppm, and 15,000 ppm. Our results indicated that although the control exhibited the highest growth (plant height, leaf number, internode number, leaf area, and soil-plant analysis development), grain, and forage yield, no significant differences were noted among the treatments. Likewise, no significant difference in the grain nutrient composition was noted among all the treatments. Assessment of the forage quality revealed improved crude protein content in the control compared to the saline treatments. However, no significant differences in the leaves and stalks fiber fractions were noted among all the treatments. Furthermore, rumen fermentation in terms of in vitro digestibility indicated no significant differences in the in vitro digestible dry matter, digestible organic matter, metabolic energy, net energy, microbial protein, short-chain fatty acids, and total dissolved nutrients among the treatments. However, rearing P. hypophthalmus in water salinities exceeding 10,000 ppm reduced the growth performance and health status of fish. Therefore, the integration of sorghum and P. hypophthalmus production in water salinities not exceeding 5000 ppm is a viable alternative to maximize brackish water productivity in freshwater-scarce regions.
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Affiliation(s)
- Fahad Kimera
- Center for Applied Research On the Environment and Sustainability (CARES), School of Science and Engineering, The American University in Cairo, AUC Avenue, P.O. Box 74, New Cairo, 11835, Egypt
| | - Muziri Mugwanya
- Center for Applied Research On the Environment and Sustainability (CARES), School of Science and Engineering, The American University in Cairo, AUC Avenue, P.O. Box 74, New Cairo, 11835, Egypt
| | - Khaled Madkour
- Center for Applied Research On the Environment and Sustainability (CARES), School of Science and Engineering, The American University in Cairo, AUC Avenue, P.O. Box 74, New Cairo, 11835, Egypt
| | - Mahmoud A O Dawood
- Center for Applied Research On the Environment and Sustainability (CARES), School of Science and Engineering, The American University in Cairo, AUC Avenue, P.O. Box 74, New Cairo, 11835, Egypt
- Animal Production Department, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, 33516, Egypt
| | - Hani Sewilam
- Center for Applied Research On the Environment and Sustainability (CARES), School of Science and Engineering, The American University in Cairo, AUC Avenue, P.O. Box 74, New Cairo, 11835, Egypt.
- Department of Engineering Hydrology, RWTH Aachen University, Aachen, 52062, Germany.
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12
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Zhang G, Bai J, Zhai Y, Jia J, Zhao Q, Wang W, Hu X. Microbial diversity and functions in saline soils: A review from a biogeochemical perspective. J Adv Res 2024; 59:129-140. [PMID: 37392974 PMCID: PMC11081963 DOI: 10.1016/j.jare.2023.06.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/03/2023] Open
Abstract
BACKGROUND Soil salinization threatens food security and ecosystem health, and is one of the important drivers to the degradation of many ecosystems around the world. Soil microorganisms have extremely high diversity and participate in a variety of key ecological processes. They are important guarantees for soil health and sustainable ecosystem development. However, our understanding of the diversity and function of soil microorganisms under the change of increased soil salinization is fragmented. AIM OF REVIEW Here, we summarize the changes in soil microbial diversity and function under the influence of soil salinization in diverse natural ecosystems. We particularly focus on the diversity of soil bacteria and fungi under salt stress and the changes in their emerging functions (such as their mediated biogeochemical processes). This study also discusses how to use the soil microbiome in saline soils to deal with soil salinization for supporting sustainable ecosystems, and puts forward the knowledge gaps and the research directions that need to be strengthened in the future. KEY SCIENTIFIC CONCEPTS OF REVIEW Due to the rapid development of molecular-based biotechnology (especially high-throughput sequencing technology), the diversity and community composition and functional genes of soil microorganisms have been extensively characterized in different habitats. Clarifying the responding pattern of microbial-mediated nutrient cycling under salt stress and developing and utilizing microorganisms to weaken the adverse effects of salt stress on plants and soil, which are of guiding significance for agricultural production and ecosystem management in saline lands.
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Affiliation(s)
- Guangliang Zhang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, PR China; Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, PR China
| | - Junhong Bai
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, PR China.
| | - Yujia Zhai
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, PR China
| | - Jia Jia
- Henan Key Laboratory of Ecological Environment Protection and Restoration of Yellow River Basin, Yellow River Institute of Hydraulic Research, Zhengzhou 45003, PR China
| | - Qingqing Zhao
- Shandong Provincial Key Laboratory of Applied Microbiology, Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan 250103, PR China
| | - Wei Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, PR China
| | - Xingyun Hu
- Fujian Provincial Key Laboratory for Subtropical Resources and Environment, Fujian Normal University, Fuzhou 350007, PR China
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13
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Elmeknassi M, Elghali A, de Carvalho HWP, Laamrani A, Benzaazoua M. A review of organic and inorganic amendments to treat saline-sodic soils: Emphasis on waste valorization for a circular economy approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 921:171087. [PMID: 38387577 DOI: 10.1016/j.scitotenv.2024.171087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/29/2024] [Accepted: 02/17/2024] [Indexed: 02/24/2024]
Abstract
Soil salinization poses a significant challenge to the sustainable advancement of agriculture on a global scale. This environmental issue not only hampers plant growth and soil fertility but also hinders the advancement of the national economy due to restrictions on plant development. The utilization of organic and/or inorganic amendments has demonstrated the ability to mitigate the detrimental impacts of salt stress on plant life. At the outset, this review, in addition to summarizing current knowledge about soil amendments for saline-sodic soils, also aims to identify knowledge gaps requiring further research. The organic or inorganic amendments modify soil conditions and impact plant development. For instance, organic amendments have the potential to improve the structure of the soil, augment its capacity to retain water, and stimulate microbial activity. As this occurs, salts gradually leach through the porous structure of the soil. Conversely, inorganic amendments, such as gypsum and phosphogypsum, displace sodium from soil-negative sorption sites reducing the salinity, they also increase base saturation, altogether positively impacting plant growth conditions. This review emphasizes that, under adequate rates, the combination of organic and inorganic amendment has a high potential to enhance the poor physicochemical properties of saline-sodic soils, thereby reducing their salinity. Consequently, an in-depth examination of the mineral composition, texture, and chemical composition of the soil is required to choose the most effective amendment to implement. Future research necessitates a thorough investigation of techno-economic and life cycle assessment, with active involvement from stakeholders, to enhance the decision-making process of the amendments in specific localities.
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Affiliation(s)
- Malak Elmeknassi
- Geology & Sustainable Mining Institute, University Mohammed VI Polytechnic, Lot 660, Hay Moulay Rachid, Ben Guerir 43150, Morocco.
| | - Abdellatif Elghali
- Geology & Sustainable Mining Institute, University Mohammed VI Polytechnic, Lot 660, Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | | | - Ahmed Laamrani
- Center for Remote Sensing Applications, University Mohammed VI Polytechnic, Lot 660, Hay Moulay Rachid, Ben Guerir 43150, Morocco
| | - Mostafa Benzaazoua
- Geology & Sustainable Mining Institute, University Mohammed VI Polytechnic, Lot 660, Hay Moulay Rachid, Ben Guerir 43150, Morocco
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14
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Li S, Li C, Yao D, Wang X, Gao Y. Bowl effect of irreversible primary salinization driven by geology in Hetao irrigation area, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:170834. [PMID: 38342452 DOI: 10.1016/j.scitotenv.2024.170834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/30/2024] [Accepted: 02/07/2024] [Indexed: 02/13/2024]
Abstract
Agricultural irrigation areas around the world employ similar planting methods, but there are notable disparities in salinization mechanism and management strategies. Many scholars have focused on human activities as the main cause of secondary soil salinization, while neglecting the underlying issue of primary soil salinization caused by geological factors. This study takes the Hetao irrigation area in China as a case study, delving into the geological forces responsible for primary salinization. Using historical survey data on geological structure, lake evolution, and sedimentation to analyze the stratigraphic distribution and groundwater storage characteristic. Additionally, using groundwater hydrochemistry data from historical literatures to analyze the concentration, distribution patterns, and source issues of salt ions. The research results show that a novel concept called the "bowl effect" can explain the unique cause of primary salinization in Hetao irrigation area. The bowl effect effectively transforms Hetao irrigation area into an enclosed space, which significantly limits the movement of groundwater and hinders the dilution of highly saline or alkaline water. The bowl effect has broad applicability and can serve as a useful framework for studying primary salinization challenges in agricultural irrigation areas worldwide. This research provides a scientifically reference for selecting salinization control methods, and will benefit local stakeholders, government agencies, and water resource managers.
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Affiliation(s)
- Shuanhu Li
- Key Laboratory of Geological Hazards and Geotechnical Engineering Defense in Sandy and Drought Regions at Universities of Inner Mongolia Autonomous Region, Inner Mongolia University of Technology, Hohhot, China; School of Civil Engineering, Inner Mongolia University of Technology, Hohhot, China
| | - Chi Li
- Key Laboratory of Geological Hazards and Geotechnical Engineering Defense in Sandy and Drought Regions at Universities of Inner Mongolia Autonomous Region, Inner Mongolia University of Technology, Hohhot, China; School of Resource and Environmental Engineering, Inner Mongolia University of Technology, Hohhot, China.
| | - De Yao
- Key Laboratory of Geological Hazards and Geotechnical Engineering Defense in Sandy and Drought Regions at Universities of Inner Mongolia Autonomous Region, Inner Mongolia University of Technology, Hohhot, China; School of Resource and Environmental Engineering, Inner Mongolia University of Technology, Hohhot, China
| | - Xiaorong Wang
- Key Laboratory of Geological Hazards and Geotechnical Engineering Defense in Sandy and Drought Regions at Universities of Inner Mongolia Autonomous Region, Inner Mongolia University of Technology, Hohhot, China; School of Civil Engineering, Inner Mongolia University of Technology, Hohhot, China
| | - Yu Gao
- Key Laboratory of Geological Hazards and Geotechnical Engineering Defense in Sandy and Drought Regions at Universities of Inner Mongolia Autonomous Region, Inner Mongolia University of Technology, Hohhot, China; School of Civil Engineering, Inner Mongolia University of Technology, Hohhot, China
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15
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Mucsi M, Borsodi AK, Megyes M, Szili-Kovács T. Response of the metabolic activity and taxonomic composition of bacterial communities to mosaically varying soil salinity and alkalinity. Sci Rep 2024; 14:7460. [PMID: 38553497 PMCID: PMC10980690 DOI: 10.1038/s41598-024-57430-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 03/18/2024] [Indexed: 04/02/2024] Open
Abstract
Soil salinity and sodicity is a worldwide problem that affects the composition and activity of bacterial communities and results from elevated salt and sodium contents. Depending on the degree of environmental pressure and the combined effect of other factors, haloalkalitolerant and haloalkaliphilic bacterial communities will be selected. These bacteria play a potential role in the maintenance and restoration of salt-affected soils; however, until recently, only a limited number of studies have simultaneously studied the bacterial diversity and activity of saline-sodic soils. Soil samples were collected to analyse and compare the taxonomic composition and metabolic activity of bacteria from four distinct natural plant communities at three soil depths corresponding to a salinity‒sodicity gradient. Bacterial diversity was detected using 16S rRNA gene Illumina MiSeq amplicon sequencing. Community-level physiological profiles (CLPPs) were analysed using the MicroResp™ method. The genus-level bacterial composition and CLPPs differed significantly in soils with different alkaline vegetation. The surface soil samples also significantly differed from the intermediate and deep soil samples. The results showed that the pH, salt content, and Na+ content of the soils were the main edaphic factors influencing both bacterial diversity and activity. With salinity and pH, the proportion of the phylum Gemmatimonadota increased, while the proportions of Actinobacteriota and Acidobacteriota decreased.
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Affiliation(s)
- Márton Mucsi
- Institute for Soil Sciences, HUN-REN Centre for Agricultural Research, Herman Ottó út 15, Budapest, 1022, Hungary
- Doctoral School of Environmental Sciences, ELTE Eötvös Loránd University, Pázmány P. sétány 1/AC, Budapest, 1117, Hungary
| | - Andrea K Borsodi
- Department of Microbiology, ELTE Eötvös Loránd University, Pázmány P. sétány 1/C, Budapest, 1117, Hungary.
- Institute of Aquatic Ecology, HUN-REN Centre for Ecological Research, Karolina út 29, Budapest, 1113, Hungary.
| | - Melinda Megyes
- Doctoral School of Environmental Sciences, ELTE Eötvös Loránd University, Pázmány P. sétány 1/AC, Budapest, 1117, Hungary
- Department of Microbiology, ELTE Eötvös Loránd University, Pázmány P. sétány 1/C, Budapest, 1117, Hungary
| | - Tibor Szili-Kovács
- Institute for Soil Sciences, HUN-REN Centre for Agricultural Research, Herman Ottó út 15, Budapest, 1022, Hungary.
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16
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Liu Y, Wu J, Huang T, Nie W, Jia Z, Gu Y, Ma X. Study on the relationship between regional soil desertification and salinization and groundwater based on remote sensing inversion: A case study of the windy beach area in Northern Shaanxi. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168854. [PMID: 38040370 DOI: 10.1016/j.scitotenv.2023.168854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/06/2023] [Accepted: 11/22/2023] [Indexed: 12/03/2023]
Abstract
Soil desertification and salinization are important environmental concerns in arid regions, and their relationship with groundwater change must be further clarified. However, the relationships among soil desertification, salinization, and groundwater are difficult to investigate on a large spatiotemporal scale using traditional ground surveys. In the windy beach area in Northern Shaanxi (WBANS), desertification and salinization problems coexist; therefore, this area was selected as the study area. The feasibility of implementing large-scale remote sensing inversions to identify the degree of desertification and salinization was verified based on measured data, and the degree of influence of groundwater burial depth (GBD) on desertification and salinization was quantified using the geodetector and residual trend analysis methods. The results showed that the GBD in the WBANS presented an increasing trend and the degree of salinization showed a decreasing trend. Moreover, the joint influence of the unique natural environment and anthropogenic activities has led to increases in fractional vegetation cover and considerable improvements in the ecological environment. The intensity of desertification explained by GBD in the WBANS increased significantly (p < 0.01) at a rate of change of 0.0190/year, with high q-values above 0.66 for both Yuyang and Shenmu. The contribution rate of potential evapotranspiration and precipitation to salinization in Yuyang and Shenmu was >97 %, and the contribution rate of GBD to salinization in Dingbian, Jingbian, and Hengshan was 34.78 %, 31.15 %, and 29.41 %, respectively. Overall, the suitable GBD in the WBANS is 2-4 m. The study results provide a reference for research on the inversion, monitoring, and prevention of desertification and salinization dynamics on a large spatiotemporal scale and offer a scientific basis for rationally determining GBD.
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Affiliation(s)
- Yu Liu
- College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling 712100, China; Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling 712100, China
| | - Jiujiang Wu
- College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling 712100, China; Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling 712100, China
| | - Tingting Huang
- Yellow River Institute of Hydraulic Research, Zhengzhou 450003, China
| | - Weibo Nie
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi'an University of Technology, Xi'an 710048, China
| | - Zhifeng Jia
- School of Water and Environment, Chang'an University, Xi'an 710064, China
| | - Yuhui Gu
- College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling 712100, China; Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling 712100, China
| | - Xiaoyi Ma
- College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling 712100, China; Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling 712100, China.
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17
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Di Baccio D, Lorenzi A, Scartazza A, Rosellini I, Franchi E, Barbafieri M. Morphophysiological Characterisation of Guayule ( Parthenium argentatum A. Gray) in Response to Increasing NaCl Concentrations: Phytomanagement and Phytodesalinisation in Arid and Semiarid Areas. PLANTS (BASEL, SWITZERLAND) 2024; 13:378. [PMID: 38337911 PMCID: PMC10856980 DOI: 10.3390/plants13030378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024]
Abstract
Water and soil salinity continuously rises due to climate change and irrigation with reused waters. Guayule (Parthenium argentatum A. Gray) is a desert perennial shrub native to northern Mexico and the southwestern United States; it is known worldwide for rubber production and is suitable for cultivation in arid and semiarid regions, such as the Mediterranean. In the present study, we investigated the effects of high and increasing concentrations of sodium chloride (NaCl) on the growth and the morphophysiological and biochemical characteristics of guayule to evaluate its tolerance to salt stress and suitability in phytomanagement and, eventually, the phytodesalinisation of salt-affected areas. Guayule originates from desert areas, but has not been found in salt-affected soils; thus, here, we tested the potential tolerance to salinity of this species, identifying the toxicity threshold and its possible sodium (Na) accumulation capacity. In a hydroponic floating root system, guayule seedlings were subjected to salinity-tolerance tests using increasing NaCl concentrations (from 2.5 to 40 g L-1 and from 43 to 684 mM). The first impairments in leaf morphophysiological traits appeared after adding 15 g L-1 (257 mM) NaCl, but the plants survived up to the hypersaline conditions of 35-40 g L-1 NaCl (about 600 mM). The distribution of major cell cations modulated the high Na content in the leaves, stems and roots; Na bioconcentration and translocation factors were close to one and greater than one, respectively. This is the first study on the morphophysiological and (bio)chemical response of guayule to different high and increasing levels of NaCl, showing the parameters and indices useful for identifying its salt tolerance threshold, adaptative mechanisms and reclamation potential in high-saline environments.
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Affiliation(s)
- Daniela Di Baccio
- Research Institute on Terrestrial Ecosystems, National Research Council of Italy (IRET-CNR), Via G. Moruzzi 1, 56124 Pisa, Italy; (A.L.); (A.S.); (I.R.)
| | - Aurora Lorenzi
- Research Institute on Terrestrial Ecosystems, National Research Council of Italy (IRET-CNR), Via G. Moruzzi 1, 56124 Pisa, Italy; (A.L.); (A.S.); (I.R.)
| | - Andrea Scartazza
- Research Institute on Terrestrial Ecosystems, National Research Council of Italy (IRET-CNR), Via G. Moruzzi 1, 56124 Pisa, Italy; (A.L.); (A.S.); (I.R.)
- National Biodiversity Future Center (NBFC), Piazza Marina 61, 90133 Palermo, Italy
| | - Irene Rosellini
- Research Institute on Terrestrial Ecosystems, National Research Council of Italy (IRET-CNR), Via G. Moruzzi 1, 56124 Pisa, Italy; (A.L.); (A.S.); (I.R.)
| | - Elisabetta Franchi
- Eni S.p.A., R&D Environmental & Biological Laboratories, Via Maritano 26, San Donato Milanese, 20097 Milan, Italy;
| | - Meri Barbafieri
- Research Institute on Terrestrial Ecosystems, National Research Council of Italy (IRET-CNR), Via G. Moruzzi 1, 56124 Pisa, Italy; (A.L.); (A.S.); (I.R.)
- National Biodiversity Future Center (NBFC), Piazza Marina 61, 90133 Palermo, Italy
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18
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Rossini A, Ruggeri R, Mzid N, Rossini F, Di Miceli G. Codium fragile (Suringar) Hariot as Biostimulant Agent to Alleviate Salt Stress in Durum Wheat: Preliminary Results from Germination Trials. PLANTS (BASEL, SWITZERLAND) 2024; 13:283. [PMID: 38256836 PMCID: PMC10818485 DOI: 10.3390/plants13020283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024]
Abstract
Soil salinization is a critical environmental problem in arid and semiarid regions of the world. The aim of the present study was to evaluate the effect of an algae-based biostimulant on germination and seedling vigour of durum wheat (Triticum turgidum L. subsp. durum (Desf.) Husn.), under different saline conditions (0, 100, and 200 mM NaCl). The experiment was carried out under controlled-environment conditions. Seeds were sprayed with a solution containing a combination of fungicide and different concentrations of Codium fragile (Suringar) Hariot algae (0%w/v, 10%w/v, 20%w/v, and 30%w/v). All experimental units were placed in a germination cabinet. The effect of the seaweed extract (SWE) on seed germination and seedling performance under salinity stress was evaluated over a period of 8 days. Coleoptile length and biomass were found to be significantly and positively affected by the application of different SWE doses as compared to the control treatment (0% algae). As for germination traits, seeds treated with SWE showed a final germination (from 82% to 88%), under severe saline conditions, significantly higher than that observed in the control treatment (61%). Our findings indicate that the appropriate dose of biostimulant can markedly improve the germination and the seedlings vigour of durum wheat seeds under saline conditions. Additional studies will be needed to understand the mechanism of action of this biostimulant and its effectiveness in longer studies under field conditions.
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Affiliation(s)
- Angelo Rossini
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100 Viterbo, Italy; (A.R.); (R.R.); (N.M.)
| | - Roberto Ruggeri
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100 Viterbo, Italy; (A.R.); (R.R.); (N.M.)
| | - Nada Mzid
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100 Viterbo, Italy; (A.R.); (R.R.); (N.M.)
| | - Francesco Rossini
- Department of Agriculture and Forest Sciences, University of Tuscia, Via S. Camillo de Lellis, 01100 Viterbo, Italy; (A.R.); (R.R.); (N.M.)
| | - Giuseppe Di Miceli
- Department of Agricultural, Food and Forestry Sciences (SAAF), University of Palermo, Viale delle Scienze, Ed. 5, 90128 Palermo, Italy;
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19
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Wang Q, He D, Zhang X, Cheng Y, Sun Y, Zhu J. Insight into bacterial and archaeal community structure of Suaeda altissima and Suaeda dendroides rhizosphere in response to different salinity level. Microbiol Spectr 2024; 12:e0164923. [PMID: 38038455 PMCID: PMC10783136 DOI: 10.1128/spectrum.01649-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 09/08/2023] [Indexed: 12/02/2023] Open
Abstract
IMPORTANCE Suaeda play an important ecological role in reclamation and improvement of agricultural saline soil due to strong salt tolerance. At present, research on Suaeda salt tolerance mainly focuses on the physiological and molecular regulation. However, the important role played by microbial communities in the high-salinity tolerance of Suaeda is poorly studied. Our findings have important implications for understanding the distribution patterns and the driving mechanisms of different Suaeda species and soil salinity levels. In addition, we explored the key microorganisms that played an important ecological role in Suaeda rhizosphere. We provide a basis for biological improvement and ecological restoration of salinity-affected areas.
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Affiliation(s)
- Qiqi Wang
- College of Life Sciences/Xinjiang Production and Construction Corps Key Laboratory of Oasis Town and Mountain-basin System Ecology, Shihezi University, Shihezi, Xinjiang, China
| | - Dalun He
- College of Life Sciences/Xinjiang Production and Construction Corps Key Laboratory of Oasis Town and Mountain-basin System Ecology, Shihezi University, Shihezi, Xinjiang, China
| | - Xinrui Zhang
- College of Life Sciences/Xinjiang Production and Construction Corps Key Laboratory of Oasis Town and Mountain-basin System Ecology, Shihezi University, Shihezi, Xinjiang, China
| | - Yongxiang Cheng
- College of Life Sciences/Xinjiang Production and Construction Corps Key Laboratory of Oasis Town and Mountain-basin System Ecology, Shihezi University, Shihezi, Xinjiang, China
| | - Yanfei Sun
- College of Life Sciences/Xinjiang Production and Construction Corps Key Laboratory of Oasis Town and Mountain-basin System Ecology, Shihezi University, Shihezi, Xinjiang, China
| | - Jianbo Zhu
- College of Life Sciences/Xinjiang Production and Construction Corps Key Laboratory of Oasis Town and Mountain-basin System Ecology, Shihezi University, Shihezi, Xinjiang, China
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20
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Han J, Kim M, Mammadov Z, Lee S, Elzinga EJ, Mammadov G, Hwang W, Ro HM. Synergistic effect of climate change and water management: Historical and future soil salinity in the Kur-Araz lowland, Azerbaijan. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 907:167720. [PMID: 37827308 DOI: 10.1016/j.scitotenv.2023.167720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 10/05/2023] [Accepted: 10/08/2023] [Indexed: 10/14/2023]
Abstract
While soil salinization is a major threat to the food security and sustainability of humanity, information on salinization in developing countries is limited. In this study, Landsat data were used to predict the salinization process from 1986 to 2021 in the Kur-Araz lowland of Azerbaijan, and water movement and salinity transport models were developed to calculate the effects of climate change and water management. The model results showed that increases in rainfall and drainage have led to dramatic improvements in soil salinity and agricultural productivity and that these changes were caused by the synergistic effect of climate change and water management. The future predictions indicate that rainfall will decrease due to the decrease in evaporation in the neighboring Caspian Sea, leading to further re-salinization. Soil re-salinization would be a severe threat to the sustainability of the agricultural industry and food security of Azerbaijan and neighboring countries. More scientific attention and efforts should be devoted to developing countries in preparation for the impact of climate change.
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Affiliation(s)
- Junho Han
- Institute of Life Science and Natural Resources, Korea University, Seoul, 02841, Republic of Korea; Department of Earth and Environmental Sciences, Rutgers University, Newark, NJ 07102, United States.
| | - Minhee Kim
- Ministry of Environment, 229 Misagangbyeonhangang-ro, Hanam-si, Gyeonggi-do 12902, Republic of Korea.
| | - Zaman Mammadov
- Institute of Soil Science and Agrochemistry, Azerbaijan National Academy of Sciences, Baku AZ10073, Azerbaijan.
| | - Seoyeon Lee
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
| | - Evert J Elzinga
- Department of Earth and Environmental Sciences, Rutgers University, Newark, NJ 07102, United States.
| | - Garib Mammadov
- Institute of Soil Science and Agrochemistry, Azerbaijan National Academy of Sciences, Baku AZ10073, Azerbaijan.
| | - Wonjae Hwang
- Department of Environmental and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea.
| | - Hee-Myong Ro
- Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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21
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Rodrigues F, Sousa B, Soares C, Moreira D, Pereira C, Moutinho-Pereira J, Cunha A, Fidalgo F. Are tomato plants co-exposed to heat and salinity able to ensure a proper carbon metabolism? - An insight into the photosynthetic hub. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108270. [PMID: 38091934 DOI: 10.1016/j.plaphy.2023.108270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 11/07/2023] [Accepted: 12/06/2023] [Indexed: 02/15/2024]
Abstract
Abiotic stress combinations, such as high temperatures and soil/water salinization, severely threaten crop productivity worldwide. In this work, an integrative insight into the photosynthetic metabolism of tomato plants subjected to salt (100 mM NaCl) and/or heat (42 °C; 4 h/day) was performed. After three weeks, the stress combination led to more severe consequences on growth and photosynthetic pigments than the individual stresses. Regarding the photochemical efficiency, transcript accumulation and protein content of major actors (CP47 and D1) were depleted in all stressed plants, although the overall photochemical yield was not negatively affected under the co-exposure. Gas-exchange studies revealed to be mostly affected by salt (single or combined), which harshly compromised carbon assimilation. Additionally, transcript levels of stress-responsive genes (e.g., HsfA1 and NHX2) were differentially modulated by the single and combined treatments, suggesting the activation of stress-signature responses. Overall, by gathering an insightful overview of the main regulatory hub of photosynthesis, we show that the impacts on the carbon metabolism coming from the combination of heat and salinity, two major conditioners of crop yields, were not harsher than those of single stresses, indicating that the growth impairment might be attributed to a proficient distribution of resources towards defense mechanisms.
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Affiliation(s)
- Francisca Rodrigues
- GreenUPorto - Sustainable Agrifood Production Research Centre and INOV4AGRO, Department of Biology, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal; Biology Department and CBMA - Centre of Molecular and Environmental Biology, School of Sciences of University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Bruno Sousa
- GreenUPorto - Sustainable Agrifood Production Research Centre and INOV4AGRO, Department of Biology, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal.
| | - Cristiano Soares
- GreenUPorto - Sustainable Agrifood Production Research Centre and INOV4AGRO, Department of Biology, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Diana Moreira
- LAQV/REQUIMTE, Department of Biology, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Cláudia Pereira
- GreenUPorto - Sustainable Agrifood Production Research Centre and INOV4AGRO, Department of Biology, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
| | - José Moutinho-Pereira
- CITAB - Centre for the Research and Technology of Agro-Environmental and Biological Sciences, Universidade de Trás-os-Montes e Alto Douro, 5000-801 Vila Real, Portugal
| | - Ana Cunha
- Biology Department and CBMA - Centre of Molecular and Environmental Biology, School of Sciences of University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal
| | - Fernanda Fidalgo
- GreenUPorto - Sustainable Agrifood Production Research Centre and INOV4AGRO, Department of Biology, Faculty of Sciences of University of Porto, Rua do Campo Alegre s/n, 4169-007 Porto, Portugal
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22
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Jurado C, Díaz-Vivancos P, Gregorio BE, Acosta-Motos JR, Hernández JA. Effect of halophyte-based management in physiological and biochemical responses of tomato plants under moderately saline greenhouse conditions. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108228. [PMID: 38043255 DOI: 10.1016/j.plaphy.2023.108228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 11/03/2023] [Accepted: 11/21/2023] [Indexed: 12/05/2023]
Abstract
Salinity, both in irrigation water and in soils, is one of the major abiotic constraints for agriculture activity worldwide. Phytodesalinization is a low-cost plant-based bioremediation strategy that can effectively amend salt-affected soils by cultivating salt tolerant plants. However, very few studies have evaluated the use of halophyte plants in crop management systems. In this work, we apply two different tomato crop management strategies involving the halophyte Arthrocaulon macrostachyum L. in a moderately saline soil: intercropping (mixed cultivation) and sequential cropping (cultivation of tomato where halophytes were previously grown). We investigated the effect of the different crop managements in some physiological and biochemical variables in tomato plants, including mineral nutrients content, photosynthesis, chlorophyll and flavonol contents, antioxidant metabolism and fruit production and quality. At soil level, both intercropping and sequential cropping decreased chloride content, sodium adsorption ratio and electrical conductivity, leading to reduced soil salinity. In tomato plants, halophyte-dependent management improved nutrient homeostasis and triggered a mild oxidative stress, whereas photosynthesis performance was enhanced by intercropping. In tomato fruits, the sequential cropping led to a 27% production increase and a slight decrease in the soluble sugar contents. We suggest the use of A. macrostachyum, and hence of halophyte plants, as an environmentally friendly phytoremediation strategy to improve plant performance while improving crop production, leading to a more sustainable agriculture and enhancing biodiversity.
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Affiliation(s)
- Carmen Jurado
- Group of Fruit Trees Biotechnology, Department of Plant Breeding, CEBAS-CSIC, P.O. Box 164, 30100, Murcia, Spain
| | - Pedro Díaz-Vivancos
- Group of Fruit Trees Biotechnology, Department of Plant Breeding, CEBAS-CSIC, P.O. Box 164, 30100, Murcia, Spain
| | - Barba-Espín Gregorio
- Group of Fruit Trees Biotechnology, Department of Plant Breeding, CEBAS-CSIC, P.O. Box 164, 30100, Murcia, Spain
| | - José Ramón Acosta-Motos
- Associate Unit of R&D+i CSIC-UCAM "Plant Biotechnology, Agriculture and Climate Resilience Group, Spain
| | - José A Hernández
- Group of Fruit Trees Biotechnology, Department of Plant Breeding, CEBAS-CSIC, P.O. Box 164, 30100, Murcia, Spain.
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23
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Zhang J, Akyol Ç, Meers E. Nutrient recovery and recycling from fishery waste and by-products. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 348:119266. [PMID: 37844400 DOI: 10.1016/j.jenvman.2023.119266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 09/28/2023] [Accepted: 10/02/2023] [Indexed: 10/18/2023]
Abstract
The circular bio-based economy offers great untapped potential for the food industry as possible valuable products and energy can be recovered from food waste. This can promote more sustainable and resilient food systems in Europe in follow-up of the European Commission's Farm to Fork strategy and support the global transition to more sustainable agri-food systems with the common agricultural and fisheries policies. With its high nutrient content, waste and by-products originating from fish and seafood industry (including aquaculture) are one of the most promising candidates to produce alternative fertilising products which can play a crucial role to replace synthetic mineral fertilisers. Whereas several studies highlighted the opportunities to recover valuable compounds from fishery waste, study towards their potential for the production of fertilising products is still scarce. This study presents an extensive overview of the characteristics of fishery waste and by-products (i.e., fish processing waste, fish sludge, seafood waste/by-products), the state-of-the-art nutrient recovery technologies and recovered nutrients as fertilising products from these waste streams. The European Commission has already adopted a revised Fertilising Products Regulation (EU) 2019/1009 providing opportunities for fertilising products from various bio-based origins. In frame of this opportunity, we address the quality and safety aspects of the fishery waste-derived fertilising products under these criteria and highlight possible obstacles on their way to the market in the future. Considering its high nutrient content and vast abundance, fish sludge has a great potential but should be treated/refined before being applied to soil. In addition to the parameters currently regulated, it is crucial to consider the salinity levels of such fertilising products as well as the possible presence of other micropollutants especially microplastics to warrant their safe use in agriculture. The agronomic performance of fishery waste-derived fertilisers is also compiled and reported in the last section of this review paper, which in most cases perform equally to that of conventional synthetic fertilisers.
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Affiliation(s)
- Jingsi Zhang
- Department of Green Chemistry & Technology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Çağrı Akyol
- Department of Green Chemistry & Technology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium.
| | - Erik Meers
- Department of Green Chemistry & Technology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
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24
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Fan W, Xiao Y, Dong J, Xing J, Tang F, Shi F. Variety-driven rhizosphere microbiome bestows differential salt tolerance to alfalfa for coping with salinity stress. FRONTIERS IN PLANT SCIENCE 2023; 14:1324333. [PMID: 38179479 PMCID: PMC10766110 DOI: 10.3389/fpls.2023.1324333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Accepted: 11/28/2023] [Indexed: 01/06/2024]
Abstract
Soil salinization is a global environmental issue and a significant abiotic stress that threatens crop production. Root-associated rhizosphere microbiota play a pivotal role in enhancing plant tolerance to abiotic stresses. However, limited information is available concerning the specific variations in rhizosphere microbiota driven by different plant genotypes (varieties) in response to varying levels of salinity stress. In this study, we compared the growth performance of three alfalfa varieties with varying salt tolerance levels in soils with different degrees of salinization. High-throughput 16S rRNA and ITS sequencing were employed to analyze the rhizosphere microbial communities. Undoubtedly, the increasing salinity significantly inhibited alfalfa growth and reduced rhizosphere microbial diversity. However, intriguingly, salt-tolerant varieties exhibited relatively lower susceptibility to salinity, maintaining more stable rhizosphere bacterial community structure, whereas the reverse was observed for salt-sensitive varieties. Bacillus emerged as the dominant species in alfalfa's adaptation to salinity stress, constituting 21.20% of the shared bacterial genera among the three varieties. The higher abundance of Bacillus, Ensifer, and Pseudomonas in the rhizosphere of salt-tolerant alfalfa varieties is crucial in determining their elevated salt tolerance. As salinity levels increased, salt-sensitive varieties gradually accumulated a substantial population of pathogenic fungi, such as Fusarium and Rhizoctonia. Furthermore, rhizosphere bacteria of salt-tolerant varieties exhibited increased activity in various metabolic pathways, including biosynthesis of secondary metabolites, carbon metabolism, and biosynthesis of amino acids. It is suggested that salt-tolerant alfalfa varieties can provide more carbon sources to the rhizosphere, enriching more effective plant growth-promoting bacteria (PGPB) such as Pseudomonas to mitigate salinity stress. In conclusion, our results highlight the variety-mediated enrichment of rhizosphere microbiota in response to salinity stress, confirming that the high-abundance enrichment of specific dominant rhizosphere microbes and their vital roles play a significant role in conferring high salt adaptability to these varieties.
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Affiliation(s)
- Wenqiang Fan
- Key Laboratory of Grassland Resources of the Ministry of Education and Key Laboratory of Forage Cultivation, Processing and High-Efficiency Utilization of the Ministry of Agriculture, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Yanzi Xiao
- College of Agriculture and Forestry, Hulunbuir University, Hulunber, China
| | - Jiaqi Dong
- Key Laboratory of Grassland Resources of the Ministry of Education and Key Laboratory of Forage Cultivation, Processing and High-Efficiency Utilization of the Ministry of Agriculture, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Jing Xing
- Key Laboratory of Grassland Resources of the Ministry of Education and Key Laboratory of Forage Cultivation, Processing and High-Efficiency Utilization of the Ministry of Agriculture, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Fang Tang
- Key Laboratory of Grassland Resources of the Ministry of Education and Key Laboratory of Forage Cultivation, Processing and High-Efficiency Utilization of the Ministry of Agriculture, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
| | - Fengling Shi
- Key Laboratory of Grassland Resources of the Ministry of Education and Key Laboratory of Forage Cultivation, Processing and High-Efficiency Utilization of the Ministry of Agriculture, College of Grassland, Resources and Environment, Inner Mongolia Agricultural University, Hohhot, China
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25
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Marroquin A, Holmes K, Salazar D. Soil salinization and chemically mediated plant-insect interactions in a changing climate. CURRENT OPINION IN INSECT SCIENCE 2023; 60:101130. [PMID: 37839579 DOI: 10.1016/j.cois.2023.101130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 10/09/2023] [Accepted: 10/11/2023] [Indexed: 10/17/2023]
Abstract
Increase in soil salinization due to climate change is a global phenomenon that can induce significant changes in plant growth, physiology, and chemistry, exacerbating growing threats to insect biodiversity. Insects that rely on plants are likely to be indirectly impacted by changes in soil salt content through changes in plant chemistry, yet few studies link changes in plant metabolism to impacts on higher trophic levels. Some salinity-mediated changes in specialized metabolites may be predictable due to highly conserved metabolic pathways shared between herbivore defense and stress resistance, but recent studies also suggest substantial variation across plant species and habitats. To date, most of the research on salinity and chemically mediated plant-insect interactions has focused on herbivores, particularly in agricultural systems. Published effects of salinity on pollinators and parasitoids are scarce. Future research will need to focus more on the role of plant chemistry to bridge the divide between studies of plant and insect responses to salinization.
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Affiliation(s)
- Andrea Marroquin
- Florida International University, International Center of Tropical Botany, Institute of Environment, Department of Biological Sciences, Miami, FL, USA.
| | - Katherine Holmes
- Florida International University, International Center of Tropical Botany, Institute of Environment, Department of Biological Sciences, Miami, FL, USA
| | - Diego Salazar
- Binghamton University, Department of Integrative Biology, Binghamton, NY, USA
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Zhang M, Xing Y, Ma J, Zhang Y, Yu J, Wang X, Jia X. Investigation of the response of Platycodongrandiflorus (Jacq.) A. DC to salt stress using combined transcriptomics and metabolomics. BMC PLANT BIOLOGY 2023; 23:589. [PMID: 38001405 PMCID: PMC10675982 DOI: 10.1186/s12870-023-04536-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 10/18/2023] [Indexed: 11/26/2023]
Abstract
BACKGROUND Platycodon grandiflorus (Jacq.) A. DC is a famous traditional Chinese medicine in China and an authentic medicine in Inner Mongolia. It has been traditionally used as an expectorant in cough and also has anti-inflammatory and other pharmacological effects. As a homologous plant of medicine and food, P. grandiflorus is widely planted in Northeast China. Soil salinity isa limiting factor for its cultivation. In this study, we comprehensively described the physiological characteristics of P. grandiflorus and combined transcriptomics and metabolomics to study the response of roots of P. grandiflorus to salt stress. RESULTS Overall, 8,988 differentially expressed genes were activated and significantly altered the metabolic processes. In total, 428 differentially abundant metabolites were affected by salt stress. After moderate and severe salt stress, most of the differentially abundant metabolites were enriched in the L-phenylalanine metabolic pathway. Through the comprehensive analysis of the interaction between key genes and metabolites, the main pathways such as lignin compound biosynthesis and triterpene saponin biosynthesis were completed. The relative content of compounds related to lignin biosynthesis, such as caffeic acid, coniferin, and syringing, increased under salt stress, and the related genes such as PAL, C4H, and the key enzyme gene UGT72E2 were activated to adapt to the salt stress. Platycodon saponin is one of the major triterpene saponins in P. grandiflorus, and Platycodin D is its most abundant major bioactive component. Under severe salt stress, Platycodin D level increased by nearly 1.77-fold compared with the control group. Most of the genes involved insynthetic pathway of Platycodin D, such as HMGCR, GGPS, SE, and LUP, were upregulated under salt stress. CONCLUSION Salt stress led to a decrease in the biomass and affected the activities of antioxidant enzymes and contents of osmotic regulators in the plant. These results provided not only novel insights into the underlying mechanisms of response of P. grandiflorus to salt stress but also a foundation for future studies on the function of genes related to salt tolerance in the triterpenoid saponin biosynthesis pathway.
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Affiliation(s)
- Meixi Zhang
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, China
| | - Yushu Xing
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, China
| | - Jiannan Ma
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, China
| | - Ying Zhang
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, China
| | - Juan Yu
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, China
| | - Xiaoqin Wang
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, China.
| | - Xin Jia
- College of Pharmacy, Inner Mongolia Medical University, Hohhot, China.
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Marien L, Crabit A, Dewandel B, Ladouche B, Fleury P, Follain S, Cavero J, Berteloot V, Colin F. Salinity spatial patterns in Mediterranean coastal areas: The legacy of historical water infrastructures. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 899:165730. [PMID: 37495142 DOI: 10.1016/j.scitotenv.2023.165730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/17/2023] [Accepted: 07/20/2023] [Indexed: 07/28/2023]
Abstract
Mediterranean coastal areas have been occupied and developed intensively for a long time facing issues related to agricultural production, urbanization, tourism, preservation of natural resources often linked to salinity. This article explores the relationship between historical land planning and water management, and current soil and water salinity to gain insights into future projections. Soil samples (1185) were collected in a coastal plain of 114 km2 in the south of France and saturated paste extract Electrical Conductivity (ECsp) was deduced from 1:5 dilution. Soil salinity exhibits a wide range of variation (from 0.54 to 113.1 mS cm-1) and spatial patterns. ECsp is significantly different among soil types, higher at depth than at the surface and influenced by the distance to ancient water infrastructures (Pettitt test). Surface water and shallow groundwater samples were collected for trace element concentrations and Oxygen (18O/16O) isotope ratio measurements. The geochemical signatures indicate a mixture between surface freshwater and seawater, reveal the presence of over-salted seawater and a stratification of salinity from the surface to the depth. Results suggest that groundwater is the source of soil salinity, and illustrate the long-term impact of old water infrastructures. Less saline soils are found near the freshwater supply channel (constructed from 15th to 18th), while more saline soils are located near drainage channels. The presence of over-salted water reflects temporal evolution of the plain over the last few centuries (initially under seawater, gradually filled in, presence of ponds and salt works that have now disappeared). The current soil salinity patches continue to be a visible reminder of this evolution. The trend towards desalinization of the plain over the last few centuries has been made possible by massive freshwater inflows, which are now under threat due to the general decrease of water resources availability.
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Affiliation(s)
- L Marien
- G-EAU, University of Montpellier, INRAE, Institut Agro, CIRAD, IRD, AgroParisTech, Montpellier, France
| | - A Crabit
- G-EAU, University of Montpellier, INRAE, Institut Agro, CIRAD, IRD, AgroParisTech, Montpellier, France
| | - B Dewandel
- G-EAU, University of Montpellier, INRAE, Institut Agro, CIRAD, IRD, AgroParisTech, Montpellier, France; BRGM, Univ Montpellier, Montpellier, France
| | - B Ladouche
- BRGM, Univ Montpellier, Montpellier, France
| | - P Fleury
- BRGM, Univ Montpellier, Montpellier, France
| | - S Follain
- Agroécologie, Institut Agro Dijon, INRAe, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, 21000 Dijon, France
| | - J Cavero
- CNRS, FR 3747, Maison de l'Orient et de la Méditerranée, Lyon, France
| | - V Berteloot
- G-EAU, University of Montpellier, INRAE, Institut Agro, CIRAD, IRD, AgroParisTech, Montpellier, France
| | - F Colin
- G-EAU, University of Montpellier, INRAE, Institut Agro, CIRAD, IRD, AgroParisTech, Montpellier, France.
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Wang Y, Hu C, Wang X, Shi G, Lei Z, Tang Y, Zhang H, Wuriyanghan H, Zhao X. Selenium-induced rhizosphere microorganisms endow salt-sensitive soybeans with salt tolerance. ENVIRONMENTAL RESEARCH 2023; 236:116827. [PMID: 37544471 DOI: 10.1016/j.envres.2023.116827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 07/26/2023] [Accepted: 08/03/2023] [Indexed: 08/08/2023]
Abstract
Soil salinization is a prevalent abiotic stress that adversely affects soybean production. Rhizosphere microorganisms have been shown to modulate the rhizosphere microenvironment of plants, leading to improved stress resistance. Selenium is known to optimize the rhizosphere microbial community, however, it remains uncertain whether selenium-induced rhizosphere microorganisms can enhance plant salt tolerance. In this study, we selected two soybean varieties, including salt-tolerant and salt-sensitive, and conducted pot experiments to explore the impact of selenium application on the structure and composition of the rhizosphere microbial community of soybean plants under salt stress. Four salt-tolerant bacteria from salt-tolerant soybean rhizosphere soil fertilized with selenium under salt stress were isolated, and their effects on improving salt tolerance in salt-sensitive soybean were also investigated. Our results showed that selenium application enhanced soybean salt tolerance by optimizing the structure of the plant rhizosphere microbial community and improving soil enzyme activities in both salt-tolerant and salt-sensitive varieties. Moreover, compared with salt-only treatment, inoculation of the four bacteria led to a significant increase in the plant height (7.2%-19.8%), aboveground fresh weight (57.3%-73.5%), SPAD value (8.4%-30.3%), and K+ content (4.5%-12.1%) of salt-sensitive soybean, while reducing the content of proline (84.5%-94%), MDA (26.5%-49.3%), and Na+ (7.1%-21.3%). High-throughput sequencing of the 16 S ribosomal RNA gene indicated that the four bacteria played a crucial role in changing the community structure of salt-sensitive soybean and mitigating the effects of salt stress. This study highlighted the importance of selenium combined with beneficial microorganisms in the plant rhizosphere in alleviating salinity stress.
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Affiliation(s)
- Yin Wang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Forage and Endemic Crop Biology (Inner Mongolia University), Ministry of Education, 49 Xilinguole Road, Hohhot, 010020, China
| | - Chengxiao Hu
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xu Wang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangzhou, 510640, China
| | - Guangyu Shi
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Zheng Lei
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yanni Tang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Huan Zhang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Hada Wuriyanghan
- Key Laboratory of Forage and Endemic Crop Biology (Inner Mongolia University), Ministry of Education, 49 Xilinguole Road, Hohhot, 010020, China.
| | - Xiaohu Zhao
- College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
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Zhang G, Bai J, Jia J, Wang W, Wang D, Zhao Q, Wang C, Chen G. Soil microbial communities regulate the threshold effect of salinity stress on SOM decomposition in coastal salt marshes. FUNDAMENTAL RESEARCH 2023; 3:868-879. [PMID: 38933010 PMCID: PMC11197625 DOI: 10.1016/j.fmre.2023.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 12/23/2022] [Accepted: 02/28/2023] [Indexed: 03/29/2023] Open
Abstract
Salinity stress is one of the critical environmental drivers of soil organic matter (SOM) decomposition in coastal ecosystems. Although the temperature sensitivity (Q10) of SOM decomposition has been widely applied in Earth system models to forecast carbon processes, the impact of salinity on SOM decomposition by restructuring microbial communities remains uncovered. Here, we conducted a microcosm experiment with soils collected from the coastal salt marsh in the Yellow River Estuary, which is subjected to strong dynamics of salinity due to both tidal flooding and drainage. By setting a gradient of salt solutions, soil salinity was adjusted to simulate salinity stress and soil carbon emission (CO2) rate was measured over the period. Results showed that as salinity increased, the estimated decomposition constants based on first-order kinetics gradually decreased at different temperatures. Below the 20‰ salinity treatments, which doubled the soil salinity, Q10 increased with increasing salinity; but higher salinity constrained the temperature-related response of SOM decomposition by inhibiting microbial growth and carbon metabolisms. Soil bacteria were more sensitive to salinity stress than fungi, which can be inferred from the response of microbial beta-diversity to changing salinity. Among them, the phylotypes assigned to Gammaproteobacteria and Bacilli showed higher salt tolerance, whereas taxa affiliated with Alphaproteobacteria and Bacteroidota were more easily inhibited by the salinity stress. Several fungal taxa belonging to Ascomycota had higher adaptability to the stress. As the substrate was consumed with the incubation, bacterial competition intensified, but the fungal co-occurrence pattern changed weakly during decomposition. Collectively, these findings revealed the threshold effect of salinity on SOM decomposition in coastal salt marshes and emphasized that salt stress plays a key role in carbon sequestration by regulating microbial keystone taxa, metabolisms, and interactions.
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Affiliation(s)
- Guangliang Zhang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
- Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, China
| | - Junhong Bai
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Jia Jia
- Henan Key Laboratory of Ecological Environment Protection and Restoration of Yellow River Basin, Yellow River Institute of Hydraulic Research, Zhengzhou 450003, China
| | - Wei Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Dawei Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Qingqing Zhao
- Shandong Provincial Key Laboratory of Applied Microbiology, Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Ji'nan 250103, China
| | - Chen Wang
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
| | - Guozhu Chen
- State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing 100875, China
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30
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Tian Y, Xia R, Ying Y, Lu S. Desulfurization steel slag improves the saline-sodic soil quality by replacing sodium ions and affecting soil pore structure. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 345:118874. [PMID: 37659360 DOI: 10.1016/j.jenvman.2023.118874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 08/10/2023] [Accepted: 08/26/2023] [Indexed: 09/04/2023]
Abstract
Flue gas desulfurization steel slag (DS), a solid waste produced by coal power plants and steelworks, was proposed as an amendment for the remediation of saline-sodic soil. A pot experiment including three dosages of DS alone (1%, 5%, 10% w/w) and their combination with fulvic acid (FA, 1%, w/w) was conducted to evaluate the potentials of DS as an amendment and to explore remediation mechanism of DS combined with FA on saline-sodic soil. The soil salinity, nutrition, pore structure, water retention, consistency, and desiccation cracking of DS and FA-amended soils were determined. Application of DS resulted in a significant reduction of pH, sodium adsorption ratio (SAR), and exchangeable sodium percentage (ESP) of saline-sodic soil. The DS amendment significantly increased the 6-15 μm pore volume of soil. The combination application of DS and FA showed better effect than the DS alone. The DS amendments at 5% and 10% significantly increased the field water capacity, permanent wilting point, and available water content of the soil, whereas significantly decreased the plastic limit, liquid limit, and plastic index. The DS alone and combined with FA could effectively control the development of desiccation cracking, reduced significantly the crack area density and average width of cracks of the soil. Consequently, the improvement of alkalinity and soil physical properties by DS amendment significantly increased the yield of alfalfa grown on saline-sodic soil. The remarkable improvement of physical properties of saline-sodic soil contributed to the decrease of SAR and ESP by the Ca2+ in DS replacing the Na + at soil colloid sites. Our results suggested that DS amendments alone or combined with fulvic acid have great potential as saline-alkali soil amendment.
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Affiliation(s)
- Yu Tian
- Zhejiang Provincial Key Laboratory of Agricultural Resource and Environment, Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Zhejiang University, Hangzhou, 310058, PR China; College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, PR China.
| | - Runmin Xia
- Zhejiang Provincial Key Laboratory of Agricultural Resource and Environment, Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Zhejiang University, Hangzhou, 310058, PR China; College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, PR China
| | - Yuqian Ying
- Zhejiang Provincial Key Laboratory of Agricultural Resource and Environment, Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Zhejiang University, Hangzhou, 310058, PR China; College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, PR China
| | - Shenggao Lu
- Zhejiang Provincial Key Laboratory of Agricultural Resource and Environment, Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, Zhejiang University, Hangzhou, 310058, PR China; College of Environmental and Resource Science, Zhejiang University, Hangzhou, 310058, PR China.
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Kaushal SS, Likens GE, Mayer PM, Shatkay RR, Shelton SA, Grant SB, Utz RM, Yaculak AM, Maas CM, Reimer JE, Bhide SV, Malin JT, Rippy MA. The Anthropogenic Salt Cycle. NATURE REVIEWS. EARTH & ENVIRONMENT 2023; 4:770-784. [PMID: 38515734 PMCID: PMC10953805 DOI: 10.1038/s43017-023-00485-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/05/2023] [Indexed: 03/23/2024]
Abstract
Increasing salt production and use is shifting the natural balances of salt ions across Earth systems, causing interrelated effects across biophysical systems collectively known as freshwater salinization syndrome. In this Review, we conceptualize the natural salt cycle and synthesize increasing global trends of salt production and riverine salt concentrations and fluxes. The natural salt cycle is primarily driven by relatively slow geologic and hydrologic processes that bring different salts to the surface of the Earth. Anthropogenic activities have accelerated the processes, timescales and magnitudes of salt fluxes and altered their directionality, creating an anthropogenic salt cycle. Global salt production has increased rapidly over the past century for different salts, with approximately 300 Mt of NaCl produced per year. A salt budget for the USA suggests that salt fluxes in rivers can be within similar orders of magnitude as anthropogenic salt fluxes, and there can be substantial accumulation of salt in watersheds. Excess salt propagates along the anthropogenic salt cycle, causing freshwater salinization syndrome to extend beyond freshwater supplies and affect food and energy production, air quality, human health and infrastructure. There is a need to identify environmental limits and thresholds for salt ions and reduce salinization before planetary boundaries are exceeded, causing serious or irreversible damage across Earth systems.
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Affiliation(s)
- Sujay S Kaushal
- Department of Geology & Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Gene E Likens
- Cary Institute of Ecosystem Studies, Millbrook, NY, USA
- University of Connecticut, Storrs, CT, USA
| | - Paul M Mayer
- US Environmental Protection Agency, Office of Research and Development, Center for Public Health and Environmental Assessment, Pacific Ecological Systems Division, OR, USA
| | - Ruth R Shatkay
- Department of Geology & Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Sydney A Shelton
- Department of Geology & Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Stanley B Grant
- Occoquan Watershed Monitoring Laboratory, The Charles E. Via Jr Department of Civil and Environmental Engineering, Virginia Tech, Manassas, VA, USA
- Center for Coastal Studies, Virginia Tech, Blacksburg, VA, USA
| | | | - Alexis M Yaculak
- Department of Geology & Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Carly M Maas
- Department of Geology & Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Jenna E Reimer
- Department of Geology & Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Shantanu V Bhide
- Occoquan Watershed Monitoring Laboratory, The Charles E. Via Jr Department of Civil and Environmental Engineering, Virginia Tech, Manassas, VA, USA
| | - Joseph T Malin
- Department of Geology & Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
| | - Megan A Rippy
- Occoquan Watershed Monitoring Laboratory, The Charles E. Via Jr Department of Civil and Environmental Engineering, Virginia Tech, Manassas, VA, USA
- Center for Coastal Studies, Virginia Tech, Blacksburg, VA, USA
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Aizaz M, Lubna, Ahmad W, Khan I, Asaf S, Bilal S, Jan R, Asif S, Waqas M, Khan AL, Kim KM, AL-Harrasi A. Exploring the potential of halotolerant bacteria from coastal regions to mitigate salinity stress in wheat: physiological, molecular, and biochemical insights. FRONTIERS IN PLANT SCIENCE 2023; 14:1224731. [PMID: 37810397 PMCID: PMC10556533 DOI: 10.3389/fpls.2023.1224731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023]
Abstract
Salinity stress, a significant global abiotic stress, is caused by various factors such as irrigation with saline water, fertilizer overuse, and drought conditions, resulting in reduced agricultural production and sustainability. In this study, we investigated the use of halotolerant bacteria from coastal regions characterized by high salinity as a solution to address the major environmental challenge of salinity stress. To identify effective microbial strains, we isolated and characterized 81 halophilic bacteria from various sources, such as plants, rhizosphere, algae, lichen, sea sediments, and sea water. We screened these bacterial strains for their plant growth-promoting activities, such as indole acetic acid (IAA), phosphate solubilization, and siderophore production. Similarly, the evaluation of bacterial isolates through bioassay revealed that approximately 22% of the endophytic isolates and 14% of rhizospheric isolates exhibited a favorable influence on seed germination and seedling growth. Among the tested isolates, GREB3, GRRB3, and SPSB2 displayed a significant improvement in all growth parameters compared to the control. As a result, these three isolates were utilized to evaluate their efficacy in alleviating the negative impacts of salt stress (150 mM, 300 mM, and seawater (SW)) on the growth of wheat plants. The result showed that shoot length significantly increased in plants inoculated with bacterial isolates up to 15% (GREB3), 16% (GRRB3), and 24% (SPSB2), respectively, compared to the control. The SPSB2 strain was particularly effective in promoting plant growth and alleviating salt stress. All the isolates exhibited a more promotory effect on root length than shoot length. Under salt stress conditions, the GRRB3 strain significantly impacted root length, leading to a boost of up to 6%, 5%, and 3.8% at 150 mM, 300 mM, and seawater stress levels, respectively. The bacterial isolates also positively impacted the plant's secondary metabolites and antioxidant enzymes. The study also identified the WDREB2 gene as highly upregulated under salt stress, whereas DREB6 was downregulated. These findings demonstrate the potential of beneficial microbes as a sustainable approach to mitigate salinity stress in agriculture.
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Affiliation(s)
- Muhammad Aizaz
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Lubna
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Waqar Ahmad
- Department of Engineering Technology, University of Houston, Sugar Land, TX, United States
| | - Ibrahim Khan
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Sajjad Asaf
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Saqib Bilal
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
| | - Rahmatullah Jan
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Saleem Asif
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Muhammad Waqas
- Department of Agriculture Extension, Government of Khyber Pakhtunkhwa, Mardan, Pakistan
| | - Abdul Latif Khan
- Department of Engineering Technology, University of Houston, Sugar Land, TX, United States
| | - Kyung-Min Kim
- Department of Applied Biosciences, Kyungpook National University, Daegu, Republic of Korea
| | - Ahmed AL-Harrasi
- Natural and Medical Science Research Center, University of Nizwa, Nizwa, Oman
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Nikolić N, Ghirardelli A, Schiavon M, Masin R. Effects of the salinity-temperature interaction on seed germination and early seedling development: a comparative study of crop and weed species. BMC PLANT BIOLOGY 2023; 23:446. [PMID: 37736710 PMCID: PMC10515249 DOI: 10.1186/s12870-023-04465-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 09/14/2023] [Indexed: 09/23/2023]
Abstract
BACKGROUND Weeds represent a great constraint for agricultural production due to their remarkable adaptability and their ability to compete with crops. Climate change exacerbates the abiotic stresses that plants encounter. Therefore, studying plant responses to adverse conditions is extremely important. Here, the response to saline stress at different temperatures of three weed species (Chenopodium album, Echinochloa crus-galli and Portulaca oleracea) and three crops (maize, soybean and rice) was investigated. RESULTS The germination percentage of soybean notably decreased as salinity and low temperatures increased. In contrast, maize and rice consistently maintained a high germination percentage, particularly when subjected to low salinity levels. Regarding weed species, the germination percentage of C. album was not significantly affected by salinity, but it decreased in E. crus-galli and P. oleracea with increasing salinity. The mean germination time for all species increased with salinity, especially at lower temperatures. This effect was most pronounced for soybean and E. crus-galli. C. album exhibited significant reduction in stem growth with high salinity and high temperatures, while in E. crus-galli stem growth was less reduced under similar conditions. CONCLUSION This study showed that successful germination under saline stress did not ensure successful early development and emphasizes the species-specific nature of the temperature-salinity interaction, perhaps influenced by intraspecific variability. Increasing salinity levels negatively impacted germination and seedling growth in most species, yet higher temperatures partially alleviated these effects.
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Affiliation(s)
- Nebojša Nikolić
- Department of Agronomy, Food, Natural Resources, Animals and Environment - DAFNAE, University of Padua, Legnaro (PD), 35020, Italy.
| | - Aurora Ghirardelli
- Department of Agronomy, Food, Natural Resources, Animals and Environment - DAFNAE, University of Padua, Legnaro (PD), 35020, Italy
| | - Michela Schiavon
- Department of Agricultural, Forest and Food Sciences - DISAFA, University of Turin, Grugliasco, TO, 10095, Italy
| | - Roberta Masin
- Department of Agronomy, Food, Natural Resources, Animals and Environment - DAFNAE, University of Padua, Legnaro (PD), 35020, Italy
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Zhao J, Shi C, Wang D, Zhu Y, Liu J, Li H, Yang X. Sand Burial, Rather than Salinity or Drought, Is the Main Stress That Limits the Germination Ability of Sophora alopecuroides L. Seed in the Desert Steppe of Yanchi, Ningxia, China. PLANTS (BASEL, SWITZERLAND) 2023; 12:2766. [PMID: 37570921 PMCID: PMC10421362 DOI: 10.3390/plants12152766] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/06/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023]
Abstract
Global change and environmental pollution have reawakened ecologists to the great threat of multi-stress interactions to different growth stages of plants. Sophora alopecuroides L., a dune plant, has been widely studied for its medicinal components and strong salinity tolerance. S. alopecuroides seeds, obtained from the desert steppe of Yanchi, Ningxia, China, were used to analyze the effects of sand burial, salinity, drought, and their interactions on seed germination (germination percentage, germination energy, and germination index). The results showed that sand burial and salinity stress had significant effects on the seed germination ability of S. alopecuroides, and drought stress had no significant effect, but the interaction of the three stresses had a significant effect. Under different drought-stress treatments, the interaction of no sand burial and a certain degree of salinity stress significantly improved the germination ability of S. alopecuroides, and the overall intensity of the effects of the three stresses showed that sand burial > salinity > drought. Considering the germination percentage, germination energy, and germination index of S. alopecuroides under various stress interactions, the treatment of no sand burial × 1% soil saline-alkali content × 18-20% soil water content was adopted to maximize the germination ability of S. alopecuroides. In the desert steppe area of Yanchi, Ningxia, sand burial stress was still the most limiting factor for seed germination of S. alopecuroides, and soil saline-alkali content should be increased moderately, and soil moisture should be ensured to obtain the best germination ability.
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Affiliation(s)
- Jingdong Zhao
- Breeding Base for State Key Lab. of Land Degradation and Ecological Restoration in Northwestern China/Key Lab. of Restoration and Reconstruction of Degraded Ecosystems in Northwestern China of Ministry of Education, Ningxia University, Yinchuan 750021, China
- Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
- Institute of Ecological Conservation and Restoration, Chinese Academy of Forestry, Beijing 100091, China
| | - Chaoyi Shi
- Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
- Institute of Ecological Conservation and Restoration, Chinese Academy of Forestry, Beijing 100091, China
| | - Danyu Wang
- Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
- Institute of Ecological Conservation and Restoration, Chinese Academy of Forestry, Beijing 100091, China
| | - Yuanjun Zhu
- Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
- Institute of Ecological Conservation and Restoration, Chinese Academy of Forestry, Beijing 100091, China
| | - Jiankang Liu
- Breeding Base for State Key Lab. of Land Degradation and Ecological Restoration in Northwestern China/Key Lab. of Restoration and Reconstruction of Degraded Ecosystems in Northwestern China of Ministry of Education, Ningxia University, Yinchuan 750021, China
| | - Hanzhi Li
- Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
- Institute of Ecological Conservation and Restoration, Chinese Academy of Forestry, Beijing 100091, China
| | - Xiaohui Yang
- Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China
- Institute of Ecological Conservation and Restoration, Chinese Academy of Forestry, Beijing 100091, China
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Karunarathne S, Walker E, Sharma D, Li C, Han Y. Genetic resources and precise gene editing for targeted improvement of barley abiotic stress tolerance. J Zhejiang Univ Sci B 2023; 24:1069-1092. [PMID: 38057266 PMCID: PMC10710907 DOI: 10.1631/jzus.b2200552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 01/17/2023] [Indexed: 07/11/2023]
Abstract
Abiotic stresses, predominately drought, heat, salinity, cold, and waterlogging, adversely affect cereal crops. They limit barley production worldwide and cause huge economic losses. In barley, functional genes under various stresses have been identified over the years and genetic improvement to stress tolerance has taken a new turn with the introduction of modern gene-editing platforms. In particular, clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) is a robust and versatile tool for precise mutation creation and trait improvement. In this review, we highlight the stress-affected regions and the corresponding economic losses among the main barley producers. We collate about 150 key genes associated with stress tolerance and combine them into a single physical map for potential breeding practices. We also overview the applications of precise base editing, prime editing, and multiplexing technologies for targeted trait modification, and discuss current challenges including high-throughput mutant genotyping and genotype dependency in genetic transformation to promote commercial breeding. The listed genes counteract key stresses such as drought, salinity, and nutrient deficiency, and the potential application of the respective gene-editing technologies will provide insight into barley improvement for climate resilience.
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Affiliation(s)
- Sakura Karunarathne
- Western Crop Genetics Alliance, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia
| | - Esther Walker
- Department of Primary Industries and Regional Development, South Perth, WA 6151, Australia
| | - Darshan Sharma
- Department of Primary Industries and Regional Development, South Perth, WA 6151, Australia
| | - Chengdao Li
- Western Crop Genetics Alliance, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia.
- Department of Primary Industries and Regional Development, South Perth, WA 6151, Australia.
| | - Yong Han
- Western Crop Genetics Alliance, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia.
- Department of Primary Industries and Regional Development, South Perth, WA 6151, Australia.
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Asif M, Nawaz MF, Ahmad I, Rashid MHU, Farooq TH, Kashif M, Gul S, Li Q. Detrimental Effects of Induced Soil Compaction on Morphological Adaptation and Physiological Plasticity of Selected Multipurpose Tree Species. PLANTS (BASEL, SWITZERLAND) 2023; 12:2468. [PMID: 37447029 DOI: 10.3390/plants12132468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 07/15/2023]
Abstract
Soil compaction has become a global problem affecting soil worldwide. With an increased population, more demands for food and wood have resulted in intensive cultivation and increased mechanization of our farmlands and irrigated plantations. The use of heavy machinery results in soil compaction, which affects the entire soil ecosystem. This study was conducted to analyze the impact of compacted soil on germination and initial growth stages of four major agro-forest trees of central Punjab, Pakistan. Morpho-physiological traits of all selected species (Eucalyptus camaldulensis, Albizia lebbeck, Vachellia nilotica, and Zyziphus mauritiana) were measured against soil compaction. Results indicated that the root and shoot length, biomass, root-shoot ratio, diameter at root collar, no. of leaves and branches, leaf area, germination, and survival %, and physiological traits (i.e., photosynthetic rate, transpiration rate, stomatal conductance, internal CO2 concentration, and photosynthetic water use efficiency) were significantly affected by the induced soil compaction. Eucalyptus camaldulensis Dehnh. performed better and exhibited 96% germination percentage under (1.40 mg m-3) compaction level and gradually decreased by 11% with the increase of compaction level (1.80 mg m-3). It shows that the shorter roots developed due to soil compaction decreased water use efficiency, photosynthesis, and whole-plant physiological performance. The findings concluded that judicious use of machinery is highly desired for sustainable and good-quality wood production from farm trees.
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Affiliation(s)
- Muhammad Asif
- Department of Forestry and Range Management, University of Agriculture, Faisalabad 38000, Pakistan
| | - Muhammad Farrakh Nawaz
- Department of Forestry and Range Management, University of Agriculture, Faisalabad 38000, Pakistan
- Institute of Environmental Studies, University of Karachi, Karachi 75270, Pakistan
| | - Irfan Ahmad
- Department of Forestry and Range Management, University of Agriculture, Faisalabad 38000, Pakistan
| | - Muhammad Haroon U Rashid
- Department of Forestry and Range Management, University of Agriculture, Faisalabad 38000, Pakistan
| | - Taimoor Hassan Farooq
- Bangor College China, A Joint Unit of Bangor University and Central South University of Forestry and Technology, Changsha 410004, China
| | - Muhammad Kashif
- Department of Mathematics and Statistics, University of Agriculture, Faisalabad 38000, Pakistan
| | - Sadaf Gul
- Department of Botany, University of Karachi, Karachi 75270, Pakistan
| | - Qian Li
- Bangor College China, A Joint Unit of Bangor University and Central South University of Forestry and Technology, Changsha 410004, China
- College of Forestry, Central South University of Forestry and Technology, Changsha 410004, China
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37
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Zong R, Wang Z, Li W, Li H, Ayantobo OO. Effects of practicing long-term mulched drip irrigation on soil quality in Northwest China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:163247. [PMID: 37011687 DOI: 10.1016/j.scitotenv.2023.163247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 05/13/2023]
Abstract
Assessing soil quality variation during the prolonged application of mulched drip irrigation (MDI) is critical to comprehend the sustainability of arid agriculture. To investigate the dynamics of crucial soil-quality indicators caused by the long-term application of MDI, the "space instead of time" methodology was adopted, and six fields were selected to represent the primary successional sequence in Northwest China. A total of 21 vital soil attributes from 18 samples were used as soil quality indicators. Based on the soil quality index calculated from the entire datasets, it was observed that long-term MDI practice enhanced soil quality by 28.21 %-74.36 % due to improvements in soil structure (e.g., soil bulk density, three-phase ratio, and aggregates stability) and nutrients (including total carbon, organic carbon, total nitrogen, and available phosphorus). Compared to natural unirrigated soil, soil salinity in 0-200 cm depth significantly decreased by 51.34 %-92.39 % in cotton fields with increasing years of practicing MDI. In addition, long-term MDI practice restructured soil microbial communities and augmented microbial activity by 259.48 %-502.90 % relative to the natural salt-affected soil. However, soil quality stabilized after 12-14 years of MDI application due to accumulated residual plastic fragments, increased bulk density, and reduced microbial diversity. Overall, practicing long-term MDI promotes soil quality and crop yield by promoting soil microbiome structure and function and soil structure. However, long-term mono-cropping with MDI would result in soil compaction and impair microbial activity.
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Affiliation(s)
- Rui Zong
- College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, Xinjiang, PR China; College of Water Conservancy and Civil Engineering, Shandong Agricultural University, Tai'an 271018, Shandong, PR China; Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production & Construction Group, Shihezi University, Shihezi 832000, Xinjiang, PR China; Key Laboratory of Northwest Oasis Water-Saving Agriculture, Ministry of Agriculture and Rural Affairs, Shihezi 832000, Xinjiang, PR China
| | - Zhenhua Wang
- College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, Xinjiang, PR China; Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production & Construction Group, Shihezi University, Shihezi 832000, Xinjiang, PR China; Key Laboratory of Northwest Oasis Water-Saving Agriculture, Ministry of Agriculture and Rural Affairs, Shihezi 832000, Xinjiang, PR China.
| | - Wenhao Li
- College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, Xinjiang, PR China; Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production & Construction Group, Shihezi University, Shihezi 832000, Xinjiang, PR China; Key Laboratory of Northwest Oasis Water-Saving Agriculture, Ministry of Agriculture and Rural Affairs, Shihezi 832000, Xinjiang, PR China
| | - Haiqiang Li
- College of Water Conservancy & Architectural Engineering, Shihezi University, Shihezi 832000, Xinjiang, PR China; Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production & Construction Group, Shihezi University, Shihezi 832000, Xinjiang, PR China; Key Laboratory of Northwest Oasis Water-Saving Agriculture, Ministry of Agriculture and Rural Affairs, Shihezi 832000, Xinjiang, PR China
| | - Olusola O Ayantobo
- State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 10086, PR China
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Hu Y, Schmidhalter U. Opportunity and challenges of phenotyping plant salt tolerance. TRENDS IN PLANT SCIENCE 2023; 28:552-566. [PMID: 36628656 DOI: 10.1016/j.tplants.2022.12.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 12/03/2022] [Accepted: 12/15/2022] [Indexed: 05/22/2023]
Abstract
Salinity is a key factor limiting agricultural production worldwide. Recent advances in field phenotyping have enabled the recording of the environmental history and dynamic response of plants by considering both genotype × environment (G×E) interactions and envirotyping. However, only a few studies have focused on plant salt tolerance phenotyping. Therefore, we analyzed the potential opportunities and major challenges in improving plant salt tolerance using advanced field phenotyping technologies. RGB imaging and spectral and thermal sensors are the most useful and important sensing techniques for assessing key morphological and physiological traits of plant salt tolerance. However, field phenotyping faces challenges owing to its practical applications and high costs, limiting its use in early generation breeding and in developing countries.
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Affiliation(s)
- Yuncai Hu
- Chair of Plant Nutrition, School of Life Sciences, Technical University of Munich, D-85354 Freising, Germany.
| | - Urs Schmidhalter
- Chair of Plant Nutrition, School of Life Sciences, Technical University of Munich, D-85354 Freising, Germany
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39
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Vassileva M, Martos V, Del Moral LFG, Vassilev N. Effect of the Mode of Fermentation on the Behavior of Penicillium bilaiae in Conditions of Abiotic Stress. Microorganisms 2023; 11:microorganisms11041064. [PMID: 37110487 PMCID: PMC10143995 DOI: 10.3390/microorganisms11041064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/17/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
The ability of a Penicillium bilaiae strain to support acid production and simultaneously solubilize inorganic sources of phosphate in conditions of submerged, solid-state fermentation (SSF) and immobilized cell system was examined in this study. Abiotic stress factors such as NaCl and different values of pH were introduced into the different fermentation process schemes to measure the fungal response. The results showed a higher tolerance of P. bilaiae when the fermentation process was carried out in solid-state and immobilized-cell conditions, which mimics the natural state of the soil microorganisms. The acidic culture conditions were not found to be suitable for fungal growth, which increased at a higher pH, with values of 4.0 and 6.0 being optimal for all types of fermentation. The presence of increasing amounts of NaCl provoked low biomass growth, titratable acidity, and simultaneous phosphate (P) solubilization. These results were, however, less pronounced at pH 4.0 and 6.0, particularly in conditions of SSF. Studying stress-tolerant microbial characteristics, particularly in different conditions and combinations of stress factors, is of great importance for further managing the overall microbial inoculants' production and formulation process as well as their applications in specific soil-plant systems.
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Affiliation(s)
- María Vassileva
- Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain
| | - Vanessa Martos
- Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain
| | | | - Nikolay Vassilev
- Instituto de Biotecnología, Universidad de Granada, 18071 Granada, Spain
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40
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Shephard AM, Knudsen K, Snell-Rood EC. Anthropogenic sodium influences butterfly responses to nitrogen-enriched resources: implications for the nitrogen limitation hypothesis. Oecologia 2023; 201:941-952. [PMID: 36971819 DOI: 10.1007/s00442-023-05366-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 03/20/2023] [Indexed: 03/29/2023]
Abstract
Humans are increasing the environmental availability of historically limited nutrients, which may significantly influence organismal performance and behavior. Beneficial or stimulatory responses to increases in nitrogen availability (i.e., nitrogen limitation) are generally observed in plants but less consistently in animals. One possible explanation is that animal responses to nitrogen enrichment depend on how nitrogen intake is balanced with sodium, a micronutrient crucial for animals but not plants. We tested this idea in the cabbage white butterfly (Pieris rapae), a species that frequently inhabits nutrient-enriched plants in agricultural settings and roadside verges. We asked (1) whether anthropogenic increases in sodium influence how nitrogen enrichment affects butterfly performance and (2) whether individuals can adaptively adjust their foraging behavior to such effects. Larval nitrogen enrichment enhanced growth of cabbage white larvae under conditions of low but not high sodium availability. In contrast, larval nitrogen enrichment increased egg production of adult females only when individuals developed with high sodium availability. Ovipositing females preferred nitrogen-enriched leaves regardless of sodium availability, while larvae avoided feeding on nitrogen-enriched leaves elevated in sodium. Our results show that anthropogenic increases in sodium influence whether individuals benefit from and forage on nitrogen-enriched resources. Yet, different nitrogen-to-sodium ratios are required to optimize larval and adult performance. Whether increases in sodium catalyze or inhibit benefits of nitrogen enrichment may depend on how evolved nutrient requirements vary across stages of animal development.
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Affiliation(s)
- Alexander M Shephard
- Department of Ecology, Evolution, and Behavior, University of Minnesota, Twin Cities, 1987 Upper Buford Circle, St. Paul, MN, 55108, USA.
| | - Kyle Knudsen
- Department of Ecology, Evolution, and Behavior, University of Minnesota, Twin Cities, 1987 Upper Buford Circle, St. Paul, MN, 55108, USA
| | - Emilie C Snell-Rood
- Department of Ecology, Evolution, and Behavior, University of Minnesota, Twin Cities, 1987 Upper Buford Circle, St. Paul, MN, 55108, USA
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41
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Lazaridi E, Bebeli PJ. Cowpea Constraints and Breeding in Europe. PLANTS (BASEL, SWITZERLAND) 2023; 12:1339. [PMID: 36987026 PMCID: PMC10052078 DOI: 10.3390/plants12061339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 03/12/2023] [Accepted: 03/13/2023] [Indexed: 06/19/2023]
Abstract
Cowpea (Vigna unguiculata (L.) Walp.) is a legume with a constant rate of cultivation in Southern European countries. Consumer demand for cowpea worldwide is rising due to its nutritional content, while Europe is constantly attempting to reduce the deficit in the production of pulses and invest in new, healthy food market products. Although the climatic conditions that prevail in Europe are not so harsh in terms of heat and drought as in the tropical climates where cowpea is mainly cultivated, cowpea confronts with a plethora of abiotic and biotic stresses and yield-limiting factors in Southern European countries. In this paper, we summarize the main constraints for cowpea cultivation in Europe and the breeding methods that have been or can be used. A special mention is made of the availability plant genetic resources (PGRs) and their potential for breeding purposes, aiming to promote more sustainable cropping systems as climatic shifts become more frequent and fiercer, and environmental degradation expands worldwide.
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42
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Shabaan M, Asghar HN, Akhtar MJ, Saleem MF. Assessment of cumulative microbial respiration and their ameliorative role in sustaining maize growth under salt stress. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 196:33-42. [PMID: 36689831 DOI: 10.1016/j.plaphy.2023.01.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 01/04/2023] [Accepted: 01/18/2023] [Indexed: 06/17/2023]
Abstract
Cumulative microbial respiration reflects microbial activities and their potential to support plant growth, where salt tolerant rhizobacteria can optimize their respiration, and ensure plant survival under salt stress. We evaluated cumulative microbial respiration of different salt tolerant rhizobacterial strains at different salinity levels, and checked their ability to sustain plant growth under natural saline conditions by using maize as test crop. Our results revealed that at the highest EC level (10 dS m-1), strain 'SUA-14' performed significantly better, and exhibited the greatest cumulative respiration (4.2 fold) followed by SHM-13 (3.8 fold), as compared to un-inoculated control. Moreover, results of the field trial indicated a similar trend, where significant improvements in shoot fresh weight (59%), root fresh weight (80%), shoot dry weight (56%), root dry weight (1.4 fold), leaf area (1.9 fold), straw yield (41%), cob diameter (33%), SPAD value (84%), yield (99%), relative water contents (91%), flavonoid (55%), 1000 grain weight (∼100%), soluble sugars (41%) and soluble proteins (45%) were observed due to inoculation of strain 'SUA-14' as compared to un-inoculated control. Similarly, substantial decline in leaf Na+ (34%), Na+/K+ ratio (69%), electrolyte leakage (8%), catalase (54%), peroxidase (73%), and H2O2 (50%) activities were observed after inoculation of 'SUA-14' with a concomitant increment in the leaf K+ contents (70%) under salinity stress than un-inoculated control. Hence, among all the tested rhizobacterial isolates, 'SUA-14' served as the most efficient strain in alleviating the detrimental impacts of salinity on maize growth and yield. The 16S rRNA sequencing identified it as Acinetobacter johnsonii.
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Affiliation(s)
- Muhammad Shabaan
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan.
| | - Hafiz Naeem Asghar
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan.
| | - Muhammad Javed Akhtar
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
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Ben Meir YA, Shaani Y, Bikel D, Portnik Y, Jacoby S, Moallem U, Miron J, Frank E. Reducing dietary sodium of dairy cows fed a low-roughages diet affect intake and feed efficiency, but not yield. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2023; 12:1-6. [PMID: 36381067 PMCID: PMC9636555 DOI: 10.1016/j.aninu.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 04/25/2022] [Accepted: 09/07/2022] [Indexed: 06/16/2023]
Abstract
Wastewater from dairy farms has become a major environmental and economical concern. Sodium residue in treated and untreated wastewater from dairy farms used for irrigation can lead to soil and groundwater salinization, with the risk of soil degradation. We examined the effect of reducing sodium fed to mid to late lactating cows from 0.61% (high sodium [HS]) to 0.45% (low sodium [LS]) of dry matter on dry matter intake (DMI), milk and milk-component yields, eating behavior, apparent total track digestibility, feed efficiency, and sodium excretion into the environment. We randomly assigned 28 multiparous high-yielding ( > 35 kg milk/d) cows to 1 of 2 treatment groups (LS or HS) in a crossover design, with 7 d of adaptation and 28 d of data collection. Reducing sodium in the diet reduced sodium intake from 171 to 123 g/d while lowering sodium excreted in the manure by 22%. Energy corrected milk (ECM) yield (37.4 kg/d) and sodium excretion in the milk (33.7 g/d) were similar for both groups. The DMI of LS cows was lower than that of HS cows (27.3 vs. 28 kg/d) and consequently, feed efficiency of the LS cows was higher (1.40 vs. 1.35 ECM/DMI). Eating rate, meal and visit frequency, and eating time were similar for both treatments; meal and visit duration were longer for the HS cows, and meal and visit sizes tended to be larger. Digestibility of DM and amylase-treated neutral detergent fiber remained similar. Based on the results of this study, and discussed considerations, we recommend lowering the dietary sodium content for mid to late lactating cows in commercial herds to 0.52% of DM, in order to reduce sodium excretion to the environment via urine.
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Affiliation(s)
- Yehoshav A. Ben Meir
- Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization (ARO), Rishon Lezion 7528809, Israel
| | - Yoav Shaani
- Department of Animal Production, Extension Service, Ministry of Agriculture, Rishon Lezion 7528809, Israel
| | - Daniel Bikel
- Department of Animal Production, Extension Service, Ministry of Agriculture, Rishon Lezion 7528809, Israel
| | - Yuri Portnik
- Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization (ARO), Rishon Lezion 7528809, Israel
| | - Shamai Jacoby
- Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization (ARO), Rishon Lezion 7528809, Israel
| | - Uzi Moallem
- Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization (ARO), Rishon Lezion 7528809, Israel
| | - Joshua Miron
- Department of Ruminant Science, Institute of Animal Science, Agricultural Research Organization (ARO), Rishon Lezion 7528809, Israel
| | - Eyal Frank
- Department of Animal Production, Extension Service, Ministry of Agriculture, Rishon Lezion 7528809, Israel
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Xu S, Zhan J, Li L, Zhu Y, Liu J, Guo X. Total petroleum hydrocarbons and influencing factors in co-composting of rural sewage sludge and organic solid wastes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 319:120911. [PMID: 36549453 DOI: 10.1016/j.envpol.2022.120911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/08/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Co-composting is an efficient strategy for collaborative disposal of multiple organic wastes in rural areas. In this study, we explored the co-composting of rural sewage sludge and other organic solid wastes (corn stalks and kitchen waste), with a focus on the variation of total petroleum hydrocarbons (TPH) during this process. 12% corn-derived biochar was applied in the composting (BC), with no additives applied as the control treatment (CK). The TPH contents of piles after composting ranged from 0.70 to 0.74 mg/g, with overall removal efficiencies of 35.6% and 61.1% for CK and BC, respectively. The results indicate that the addition of 12% biochar increased the rate of TPH degradation and accelerated the degradation process. 16s rDNA high-throughput sequencing was applied to investigate the biodiversity and bacterial community succession during the composting process. Diverse bacterial communities with TPH degradation functions were observed in the composting process, including Acinetobacter, Flavobacterium, Paenibacillus, Pseudomonas, and Bacillus spp. These functional bacteria synergistically degraded TPH, with cooperative behavior dominating during composting. Biochar amendment enhanced the microbial activity and effectively promoted the biodegradation of TPH. The physicochemical properties of the compost piles, including environmental factors (pH and temperature), nutrients (nitrogen, phosphorus, potassium), and humic substances produced in composting (humic acids and fulvic acids), directly and indirectly affected the variation in TPH contents. In conclusion, this work illustrates the variation in TPH content and associated influencing factors during co-composting of rural organic solid wastes, providing valuable guidance toward the further optimization of rural organic waste management.
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Affiliation(s)
- Su Xu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Jun Zhan
- POWERCHINA Group Environmental Engineering Co.,LTD, Hangzhou, Zhejiang, 310005, PR China.
| | - Lin Li
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Yingming Zhu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Junxin Liu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
| | - Xuesong Guo
- State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China.
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Han Q, Fu Y, Qiu R, Ning H, Liu H, Li C, Gao Y. Carbon Amendments Shape the Bacterial Community Structure in Salinized Farmland Soil. Microbiol Spectr 2023; 11:e0101222. [PMID: 36625648 PMCID: PMC9927309 DOI: 10.1128/spectrum.01012-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 12/15/2022] [Indexed: 01/11/2023] Open
Abstract
Practical, effective, and economically feasible salt reclamation and amelioration methods are in great demand in arid and semiarid areas. Energy amendments may be more appropriate than alternatives for improving salinized farmland soil because of their effects on soil microbes. We investigated the effects of biochar (Carbon) addition and desulfurization (noncarbon) on the soil bacterial community associated with Zea mays seedlings. Proteobacteria, Firmicutes, and Actinobacteriota were the dominant soil bacterial phyla. Biochar significantly increased soil bacterial biodiversity but desulfurization did not. The application of both amendments stimulated a soil bacterial community shift, and biochar amendments relieved selection pressure and increased the stochasticity of community assembly of bacterial communities. We concluded that biochar amendment can improve plant salt resistance by increasing the abundance of bacteria associated with photosynthetic processes and alter bacterial species involved in carbon cycle functions to reduce the toxicity of soil salinity to plants. IMPORTANCE Farmland application of soil amendments is a usual method to mitigate soil salinization. Most studies have concluded that soil properties can be improved by soil amendment, which indirectly affects the soil microbial community structures. In this study, we applied carbon and noncarbon soil amendments and analyzed the differences between them on the soil microbial community. We found that carbon soil amendment distinctly altered the soil microbial community. This finding provides key theoretical and technical support for using soil amendments in the future.
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Affiliation(s)
- Qisheng Han
- Farmland Irrigation Research Institute of Chinese Academy of Agricultural Sciences, Xinxiang, China
- Farmland Irrigation Research Institute, CAAS/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture, Xinxiang, China
| | - Yuanyuan Fu
- Farmland Irrigation Research Institute of Chinese Academy of Agricultural Sciences, Xinxiang, China
- College of Agriculture of Tarim University, Aral, China
| | - Rangjian Qiu
- State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan, China
| | - Huifeng Ning
- Farmland Irrigation Research Institute of Chinese Academy of Agricultural Sciences, Xinxiang, China
- Farmland Irrigation Research Institute, CAAS/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture, Xinxiang, China
| | - Hao Liu
- Farmland Irrigation Research Institute of Chinese Academy of Agricultural Sciences, Xinxiang, China
- Farmland Irrigation Research Institute, CAAS/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture, Xinxiang, China
| | - Caixia Li
- Farmland Irrigation Research Institute of Chinese Academy of Agricultural Sciences, Xinxiang, China
- Farmland Irrigation Research Institute, CAAS/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture, Xinxiang, China
| | - Yang Gao
- Farmland Irrigation Research Institute of Chinese Academy of Agricultural Sciences, Xinxiang, China
- Farmland Irrigation Research Institute, CAAS/Key Laboratory of Crop Water Use and Regulation, Ministry of Agriculture, Xinxiang, China
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Impact of Salinity on the Energy Transfer between Pigment-Protein Complexes in Photosynthetic Apparatus, Functions of the Oxygen-Evolving Complex and Photochemical Activities of Photosystem II and Photosystem I in Two Paulownia Lines. Int J Mol Sci 2023; 24:ijms24043108. [PMID: 36834517 PMCID: PMC9967322 DOI: 10.3390/ijms24043108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/26/2023] [Accepted: 01/31/2023] [Indexed: 02/08/2023] Open
Abstract
The present study shows the effect of salinity on the functions of thylakoid membranes from two hybrid lines of Paulownia: Paulownia tomentosa x fortunei and Paulownia elongate x elongata, grown in a Hoagland solution with two NaCl concentrations (100 and 150 mM) and different exposure times (10 and 25 days). We observed inhibition of the photochemical activities of photosystem I (DCPIH2 → MV) and photosystem II (H2O → BQ) only after the short treatment (10 days) with the higher NaCl concentration. Data also revealed alterations in the energy transfer between pigment-protein complexes (fluorescence emission ratios F735/F685 and F695/F685), the kinetic parameters of the oxygen-evolving reactions (initial S0-S1 state distribution, misses (α), double hits (β) and blocked centers (SB)). Moreover, the experimental results showed that after prolonged treatment with NaCl Paulownia tomentosa x fortunei adapted to the higher concentration of NaCl (150 mM), while this concentration is lethal for Paulownia elongata x elongata. This study demonstrated the relationship between the salt-induced inhibition of the photochemistry of both photosystems and the salt-induced changes in the energy transfer between the pigment-protein complexes and the alterations in the Mn cluster of the oxygen-evolving complex under salt stress.
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You X, Wang X, Sun R, Liu Q, Fang S, Kong Q, Zhang X, Xie C, Zheng H, Li H, Li Y. Hydrochar more effectively mitigated nitrous oxide emissions than pyrochar from a coastal soil of the Yellow River Delta, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159628. [PMID: 36283526 DOI: 10.1016/j.scitotenv.2022.159628] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Revised: 10/08/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
Application of char amendments (e.g., pyrochar or biochar, hydrochar) in degraded soils is proposed as a promising solution for mitigating climate change via carbon sequestration and greenhouse gases (GHGs) emission reduction. However, the hydrochar-mediated microbial modulation mechanisms underlying N2O emissions from coastal salt-affected soils, one of essential blue C ecosystems, were poorly understood. Therefore, a wheat straw derived hydrochar (SHC) produced at 220 °C was prepared to investigate its effects on N2O emissions from a coastal salt-affected soil in the Yellow River Delta and to distinguish the microbial regulation mechanisms in comparison with corresponding pyrochar pyrolyzed at 500 °C (SPC) using a 28-day soil microcosm experiment. Compared with SPC, the acidic SHC (pH 4.15) enriched in oxygenated functional groups, labile C and N constituents. SHC application more efficiently depressed cumulative soil N2O emissions (48.4-61.1 % vs 5.57-45.2 %) than those of SPC. SHC-induced inhibition of ammonia-oxidizing gene (amoA)-mediated nitrification and promotion of full reduction of N2O to N2 by nitrous oxide reductase gene (nosZ) were the underlying microbial mechanisms. Structural equation models further revealed that SHC-modulated bacterial N-transformation responses, i.e., inhibited nitrification and promoted heterotrophic denitrification, mainly contributed to reduced N2O emissions, whereas modification of soil properties (e.g., decreased pH, increased total C content) by SPC dominantly accounted for decreased N2O emissions. These results address new insights into microbial regulation of N2O emission reduction from the coastal salt-affected soils amended with hydrochar, and provide the promising strategies to enhance C sequestration and mitigate GHG emissions in the blue C ecosystems.
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Affiliation(s)
- Xiangwei You
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Xiao Wang
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Ruixue Sun
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Qiang Liu
- Institute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Ministry of Education Key Laboratory of Marine Environment and Ecology, Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266100, China
| | - Song Fang
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Qingxian Kong
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Xin Zhang
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Chenghao Xie
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China
| | - Hao Zheng
- Institute of Coastal Environmental Pollution Control, College of Environmental Science and Engineering, Ministry of Education Key Laboratory of Marine Environment and Ecology, Frontiers Science Center for Deep Ocean Multispheres and Earth System, Ocean University of China, Qingdao 266100, China; Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology, Qingdao 266071, China; Sanya Oceanographic Institution, Ocean University of China, Sanya 572000, China.
| | - Hui Li
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - Yiqiang Li
- Marine Agriculture Research Center, Tobacco Research Institute, Chinese Academy of Agricultural Sciences, Qingdao 266101, China.
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Urbanavičiūtė I, Bonfiglioli L, Pagnotta MA. Phenotypic and Genotypic Diversity of Roots Response to Salt in Durum Wheat Seedlings. PLANTS (BASEL, SWITZERLAND) 2023; 12:412. [PMID: 36679125 PMCID: PMC9865824 DOI: 10.3390/plants12020412] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/03/2023] [Accepted: 01/11/2023] [Indexed: 06/17/2023]
Abstract
Soil salinity is a serious threat to food production now and in the near future. In this study, the root system of six durum wheat genotypes, including one highly salt-tolerant (J. Khetifa) used as a check genotype, was evaluated, by a high-throughput phenotyping system, under control and salt conditions at the seedling stage. Genotyping was performed using 11 SSR markers closely linked with genome regions associated with root traits. Based on phenotypic cluster analysis, genotypes were grouped differently under control and salt conditions. Under control conditions, genotypes were clustered mainly due to a root angle, while under salt stress, genotypes were grouped according to their capacity to maintain higher roots length, volume, and surface area, as J. Khetifa, Sebatel, and Azeghar. SSR analysis identified a total of 42 alleles, with an average of about three alleles per marker. Moreover, quite a high number of Private alleles in total, 18 were obtained. The UPGMA phenogram of the Nei (1972) genetic distance clusters for 11 SSR markers and all phenotypic data under control conditions discriminate genotypes almost into the same groups. The study revealed as the combination of high-throughput systems for phenotyping with SSR markers for genotyping it's a useful tool to provide important data for the selection of suitable parental lines for salt-tolerance breeding. Nevertheless, the narrow root angle, which is an important trait in drought tolerance, is not a good indicator of salt tolerance. Instated for salt tolerance is more important the amount of roots.
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Marè C, Zampieri E, Cavallaro V, Frouin J, Grenier C, Courtois B, Brottier L, Tacconi G, Finocchiaro F, Serrat X, Nogués S, Bundó M, San Segundo B, Negrini N, Pesenti M, Sacchi GA, Gavina G, Bovina R, Monaco S, Tondelli A, Cattivelli L, Valè G. Marker-Assisted Introgression of the Salinity Tolerance Locus Saltol in Temperate Japonica Rice. RICE (NEW YORK, N.Y.) 2023; 16:2. [PMID: 36633713 PMCID: PMC9837369 DOI: 10.1186/s12284-023-00619-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Rice is one of the most salt sensitive crops at seedling, early vegetative and reproductive stages. Varieties with salinity tolerance at seedling stage promote an efficient growth at early stages in salt affected soils, leading to healthy vegetative growth that protects crop yield. Saltol major QTL confers capacity to young rice plants growing under salt condition by maintaining a low Na+/K+ molar ratio in the shoots. RESULTS Marker-assisted backcross (MABC) procedure was adopted to transfer Saltol locus conferring salt tolerance at seedling stage from donor indica IR64-Saltol to two temperate japonica varieties, Vialone Nano and Onice. Forward and background selections were accomplished using polymorphic KASP markers and a final evaluation of genetic background recovery of the selected lines was conducted using 15,580 SNP markers obtained from Genotyping by Sequencing. Three MABC generations followed by two selfing, allowed the identification of introgression lines achieving a recovery of the recurrent parent (RP) genome up to 100% (based on KASP markers) or 98.97% (based on GBS). Lines with highest RP genome recovery (RPGR) were evaluated for agronomical-phenological traits in field under non-salinized conditions. VN1, VN4, O1 lines were selected considering the agronomic evaluations and the RPGR% results as the most interesting for commercial exploitation. A physiological characterization was conducted by evaluating salt tolerance under hydroponic conditions. The selected lines showed lower standard evaluation system (SES) scores: 62% of VN4, and 57% of O1 plants reaching SES 3 or SES 5 respectively, while only 40% of Vialone Nano and 25% of Onice plants recorded scores from 3 to 5, respectively. VN1, VN4 and O1 showed a reduced electrolyte leakage values, and limited negative effects on relative water content and shoot/root fresh weight ratio. CONCLUSION The Saltol locus was successfully transferred to two elite varieties by MABC in a time frame of three years. The application of background selection until BC3F3 allowed the selection of lines with a RPGR up to 98.97%. Physiological evaluations for the selected lines indicate an improved salinity tolerance at seedling stage. The results supported the effectiveness of the Saltol locus in temperate japonica and of the MABC procedure for recovering of the RP favorable traits.
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Affiliation(s)
- Caterina Marè
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda, Piacenza, Italy.
| | - Elisa Zampieri
- Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, s.s. 11 to Torino, km 2.5, 13100, Vercelli, Italy
- Institute for Sustainable Plant Protection, National Research Council, Strada Delle Cacce 73, 10135, Turin, Italy
| | - Viviana Cavallaro
- Department of Agricultural and Environmental Sciences - Production, Landscape, Agroenergy - DiSAA, University of Milan, Milan, Italy
| | - Julien Frouin
- CIRAD, UMR AGAP, 34398, Montpellier, France
- AGAP, CIRAD, INRAE, Institut Agro, University of Montpellier, Montpellier, France
| | - Cécile Grenier
- CIRAD, UMR AGAP, 34398, Montpellier, France
- AGAP, CIRAD, INRAE, Institut Agro, University of Montpellier, Montpellier, France
| | - Brigitte Courtois
- CIRAD, UMR AGAP, 34398, Montpellier, France
- AGAP, CIRAD, INRAE, Institut Agro, University of Montpellier, Montpellier, France
| | - Laurent Brottier
- CIRAD, UMR AGAP, 34398, Montpellier, France
- AGAP, CIRAD, INRAE, Institut Agro, University of Montpellier, Montpellier, France
| | - Gianni Tacconi
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda, Piacenza, Italy
| | - Franca Finocchiaro
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda, Piacenza, Italy
| | - Xavier Serrat
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Secció de Fisiologia Vegetal, Universitat de Barcelona, Barcelona, Spain
| | - Salvador Nogués
- Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals, Secció de Fisiologia Vegetal, Universitat de Barcelona, Barcelona, Spain
| | - Mireia Bundó
- Centre for Research in Agricultural Genomics (CRAG)-CSIC-IRTA-UAB-UB, Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
| | - Blanca San Segundo
- Centre for Research in Agricultural Genomics (CRAG)-CSIC-IRTA-UAB-UB, Bellaterra (Cerdanyola del Vallès), Barcelona, Spain
- Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, Spain
| | - Noemi Negrini
- Department of Agricultural and Environmental Sciences - Production, Landscape, Agroenergy - DiSAA, University of Milan, Milan, Italy
| | - Michele Pesenti
- Department of Agricultural and Environmental Sciences - Production, Landscape, Agroenergy - DiSAA, University of Milan, Milan, Italy
| | - Gian Attilio Sacchi
- Department of Agricultural and Environmental Sciences - Production, Landscape, Agroenergy - DiSAA, University of Milan, Milan, Italy
| | - Giacomo Gavina
- SIS Società Italiana Sementi, Via Mirandola, 5, 40068, San Lazzaro di Savena, Bologna, Italy
| | - Riccardo Bovina
- SIS Società Italiana Sementi, Via Mirandola, 5, 40068, San Lazzaro di Savena, Bologna, Italy
| | - Stefano Monaco
- Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, s.s. 11 to Torino, km 2.5, 13100, Vercelli, Italy
- Council for Agricultural Research and Economics, Research Centre for Engineering and Agro-Food Processing, Strada Delle Cacce 73, 10135, Turin, Italy
| | - Alessandro Tondelli
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda, Piacenza, Italy
| | - Luigi Cattivelli
- Council for Agricultural Research and Economics, Research Centre for Genomics and Bioinformatics, Via S. Protaso 302, 29017, Fiorenzuola d'Arda, Piacenza, Italy
| | - Giampiero Valè
- Dipartimento per lo Sviluppo Sostenibile e la Transizione Ecologica, University of Piemonte Orientale, Piazza S. Eusebio 5, 13100, Vercelli, Italy.
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Climate-smart technologies for reducing water footprints in different cropland ecosystems: a meso analysis. PROCEEDINGS OF THE INDIAN NATIONAL SCIENCE ACADEMY 2023. [DOI: 10.1007/s43538-022-00148-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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