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Ray SS, Parihar K, Goyal N, Mahapatra DM. Synergistic insights into pesticide persistence and microbial dynamics for bioremediation. ENVIRONMENTAL RESEARCH 2024; 257:119290. [PMID: 38823612 DOI: 10.1016/j.envres.2024.119290] [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: 11/23/2023] [Revised: 05/20/2024] [Accepted: 05/29/2024] [Indexed: 06/03/2024]
Abstract
Rampant use of fertilizers and pesticides for boosting agricultural crop productivity has proven detrimental impact on land, water, and air quality globally. Although fertilizers and pesticides ensure greater food security, their unscientific management negatively impacts soil fertility, structure of soil microbiome and ultimately human health and hygiene. Pesticides exert varying impacts on soil properties and microbial community functions, contingent on factors such as their chemical structure, mode of action, toxicity, and dose-response characteristics. The diversity of bacterial responses to different pesticides presents a valuable opportunity for pesticide remediation. In this context, OMICS technologies are currently under development, and notable advancements in gene editing, including CRISPR technologies, have facilitated bacterial engineering, opening promising avenues for reducing toxicity and enhancing biological remediation. This paper provides a holistic overview of pesticide dynamics, with a specific focus on organophosphate, organochlorine, and pyrethroids. It covers their occurrence, activity, and potential mitigation strategies, with an emphasis on the microbial degradation route. Subsequently, the pesticide degradation pathways, associated genes and regulatory mechanisms, associated OMICS approaches in soil microbes with a special emphasis on CRISPR/Cas9 are also being discussed. Here, we analyze key environmental factors that significantly impact pesticide degradation mechanisms and underscore the urgency of developing alternative strategies to diminish our reliance on synthetic chemicals.
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Affiliation(s)
- Srishti Sinha Ray
- School of Health Sciences and Technology, UPES, Dehradun, 248007, Uttarakhand, India
| | - Kashish Parihar
- School of Applied and Life Sciences, Uttaranchal University, Dehradun, Uttarakhand, 248007, India
| | - Nishu Goyal
- School of Health Sciences and Technology, UPES, Dehradun, 248007, Uttarakhand, India.
| | - Durga Madhab Mahapatra
- School of Engineering, UPES, Dehradun, 248007, Uttarakhand, India; Energy and Wetlands Research Group, Center for Ecological Sciences, Indian Institute of Science (IISc), Bangalore, 560012, India; Department of Biological and Ecological Engineering, Oregon State University, Corvallis, USA
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2
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Fernández-Triana I, Rubilar O, Parada J, Fincheira P, Benavides-Mendoza A, Durán P, Fernández-Baldo M, Seabra AB, Tortella GR. Metal nanoparticles and pesticides under global climate change: Assessing the combined effects of multiple abiotic stressors on soil microbial ecosystems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 942:173494. [PMID: 38810746 DOI: 10.1016/j.scitotenv.2024.173494] [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: 03/12/2024] [Revised: 05/21/2024] [Accepted: 05/22/2024] [Indexed: 05/31/2024]
Abstract
The soil is a vital resource that hosts many microorganisms crucial in biogeochemical cycles and ecosystem health. However, human activities such as the use of metal nanoparticles (MNPs), pesticides and the impacts of global climate change (GCCh) can significantly affect soil microbial communities (SMC). For many years, pesticides and, more recently, nanoparticles have contributed to sustainable agriculture to ensure continuous food production to sustain the significant growth of the world population and, therefore, the demand for food. Pesticides have a recognized pest control capacity. On the other hand, nanoparticles have demonstrated a high ability to improve water and nutrient retention, promote plant growth, and control pests. However, it has been reported that their accumulation in agricultural soils can also adversely affect the environment and soil microbial health. In addition, climate change, with its variations in temperature and extreme water conditions, can lead to drought and increased soil salinity, modifying both soil conditions and the composition and function of microbial communities. Abiotic stressors can interact and synergistically or additively affect soil microorganisms, significantly impacting soil functioning and the capacity to provide ecosystem services. Therefore, this work reviewed the current scientific literature to understand how multiple stressors interact and affect the SMC. In addition, the importance of molecular tools such as metagenomics, metatranscriptomics, proteomics, or metabolomics in the study of the responses of SMC to exposure to multiple abiotic stressors was examined. Future research directions were also proposed, focusing on exploring the complex interactions between stressors and their long-term effects and developing strategies for sustainable soil management. These efforts will contribute to the preservation of soil health and the promotion of sustainable agricultural practices.
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Affiliation(s)
- I Fernández-Triana
- Doctoral Program in Science of Natural Resources, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
| | - O Rubilar
- Centro de Excelencia en Investigación Biotecnológica Aplicada al Medio Ambiente (CIBAMA), Facultad de Ingeniería y Ciencias, Universidad de La Frontera, 4811230 Temuco, Chile; Departamento de Ingeniería Química, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile
| | - J Parada
- Centro de Excelencia en Investigación Biotecnológica Aplicada al Medio Ambiente (CIBAMA), Facultad de Ingeniería y Ciencias, Universidad de La Frontera, 4811230 Temuco, Chile
| | - P Fincheira
- Centro de Excelencia en Investigación Biotecnológica Aplicada al Medio Ambiente (CIBAMA), Facultad de Ingeniería y Ciencias, Universidad de La Frontera, 4811230 Temuco, Chile
| | - A Benavides-Mendoza
- Departamento de Horticultura, Universidad Autónoma Agraria Antonio Narro, 25315 Saltillo, Mexico
| | - P Durán
- Biocontrol Research Laboratory, Universidad de La Frontera, Temuco, Chile
| | - Martín Fernández-Baldo
- Department of Animal and Plant Biology, University of Londrina, PR 445, km 380, CEP 86047-970 Londrina, PR, Brazil
| | - A B Seabra
- Center for Natural and Human Sciences, Universidade Federal do ABC, Santo André, Brazil
| | - G R Tortella
- Centro de Excelencia en Investigación Biotecnológica Aplicada al Medio Ambiente (CIBAMA), Facultad de Ingeniería y Ciencias, Universidad de La Frontera, 4811230 Temuco, Chile; Departamento de Ingeniería Química, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Temuco, Chile.
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3
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Raiesi T, Shiri MA, Mousavi SM. The fruit quality and nutrient content of kiwifruit produced by organic versus chemical fertilizers. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024; 104:6821-6830. [PMID: 38572801 DOI: 10.1002/jsfa.13511] [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: 10/20/2023] [Revised: 03/03/2024] [Accepted: 04/04/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Currently, organic farming has become a feasible approach for the production of high-quality fruits. To evaluate the response of fruit quality and mineral nutrition contents of Hayward Kiwifruit affected by different organic and inorganic fertilizers, the present study was conducted in Citrus and Subtropical Fruits Research Center, Iran, in 2017-2021, as a randomized block design with three replications. The studied treatments were organic fertilizers (cow, vermicompost and Azolla) and chemical fertilizers. After 4 years of fertilization, the fruit's nutritional elements content and some fruit bioactive compounds were evaluated after 3 months of cold storage and then analyzed by the principal component analysis (PCA) method. RESULTS The use of organic amendments boosted the calcium, phosphorus, potassium and iron content of the kiwifruits compared to chemical fertilizers. The highest fruit potassium and phosphorus content were recorded in the cow manure treatment. The lowest amount of nitrate and the highest calcium, zinc, copper and manganese accumulation were recorded in the fruits treated with vermicompost. In addition to mineral nutrients, the dry matter, total soluble solids, total phenolic and antioxidant capacity of kiwifruit were improved by the application of vermicompost amendment compared to the other fertilizer sources. However, the highest fruit vitamin C and total soluble carbohydrates were measured in the cow manure treatment. The PCA results of the fruit quality indices indicated that fertilization treatments were ranked as vermicompost (1.88) > cow manure (1.63) = chemical (1.60) > Azolla (1.54). CONCLUSION It is concluded that the application of 40 kg of vermicompost or 40 kg of cow manure in the next rank in Hayward kiwifruit orchards in March (growth stage beginning of bud swelling) may be a more suitable approach for improving the nutritional quality of the fruit. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Tahereh Raiesi
- Citrus and Subtropical Fruit Research Centre, Horticultural Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Ramsar, Iran
| | - Mohammad Ali Shiri
- Citrus and Subtropical Fruit Research Centre, Horticultural Science Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Ramsar, Iran
| | - Seyed Majid Mousavi
- Soil and Water Research Institute; Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
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Alghamdi AG, Alomran A, Ibrahim HM, Alkhasha A, Majrashi MA. Spent coffee waste-derived biochar improves physical properties, water retention, and maize (Zea mays L.) growth in sandy soil. Sci Rep 2024; 14:19753. [PMID: 39187560 PMCID: PMC11347622 DOI: 10.1038/s41598-024-70504-5] [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: 04/04/2024] [Accepted: 08/18/2024] [Indexed: 08/28/2024] Open
Abstract
Adding organic soil amendments can improve the physical and hydrological properties of soil, subsequently enhancing fertility for better crop production. In this study, spent Arabica and Columbian coffee wastes and their respective biochars were evaluated as soil amendments to improve the physical and hydrological properties of loamy sand soil and enhance maize (Zea mays L.) crop growth. Spent Arabica coffee (AC) and Columbian coffee (CC) wastes were collected and transformed into biochar through pyrolysis process at 550 °C with a residence time of 3 h and pyrolysis rate of 5 °C per minute. The AC and CC derived biochar were termed as ABC and CBC, respectively. The produced soil amendments were applied to soil at 0% (control), 1%, 3%, and 5% in a column setup. The moisture characteristics, including water infiltration, evaporation, and water retention, were investigated. Thereafter, the prepared amendments were applied to loamy sand soils at 0% (control), 1%, 3%, and 5% (w/w) application rates. Maize growth was then observed for a period of 30 days under greenhouse conditions. Results of the column trials showed that ABC and CBC applied at 5% reduced the cumulative water evaporation by 57%-66% and cumulative infiltration by 124%-181% compared to control. Likewise, 5% application of ABC and CBC resulted in 101 to 130% higher water retention in loamy sand soil. Results of the greenhouse experiment showed that 5% application of ABC and CBC amendments resulted in root biomass of 2.12 and 2.38 g, respectively, as compared to 0.51 g in control treatment. Similar treatments resulted in shoot biomass of 9.70 and 9.93 g respectively, as compared to 7.37 g in control. Likewise, 5% application of CBC and ABC increase plant height from 15.71 to 30.94 cm in ABC and 33.23 cm in CBC. Overall, 5% application of coffee waste-derived biochars significantly reduced water evaporation and infiltration, while increasing soil water retention and maize plant height, root biomass, and shoot biomass. Therefore, spent coffee waste-derived biochar could effectively be employed to improve physical and hydrological properties of loamy sand soils for better crop productivity.
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Affiliation(s)
- Abdulaziz G Alghamdi
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, 11451, Riyadh, Saudi Arabia.
| | - Abdulrasoul Alomran
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, 11451, Riyadh, Saudi Arabia
| | - Hesham M Ibrahim
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, 11451, Riyadh, Saudi Arabia
| | - Arafat Alkhasha
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, 11451, Riyadh, Saudi Arabia
| | - Mosaed A Majrashi
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, 11451, Riyadh, Saudi Arabia
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Yadav N, Bora S, Devi B, Upadhyay C, Singh P. Nanoparticle-mediated defense priming: A review of strategies for enhancing plant resilience against biotic and abiotic stresses. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 213:108796. [PMID: 38901229 DOI: 10.1016/j.plaphy.2024.108796] [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: 01/30/2024] [Revised: 05/18/2024] [Accepted: 06/03/2024] [Indexed: 06/22/2024]
Abstract
Nanotechnology has emerged as a promising field with the potential to revolutionize agriculture, particularly in enhancing plant defense mechanisms. Nanoparticles (NPs) are instrumental in plant defense priming, where plants are pre-exposed to controlled levels of stress to heighten their alertness and responsiveness to subsequent stressors. This process improves overall plant performance by enabling quicker and more effective responses to secondary stimuli. This review explores the application of NPs as priming agents, utilizing their unique physicochemical properties to bolster plants' innate defense mechanisms. It discusses key findings in NP-based plant defense priming, including various NP types such as metallic, metal oxide, and carbon-based NPs. The review also investigates the intricate mechanisms by which NPs interact with plants, including uptake, translocation, and their effects on plant physiology, morphology, and molecular processes. Additionally, the review examines how NPs can enhance plant responses to a range of stressors, from pathogen attacks and herbivore infestations to environmental stresses. It also discusses NPs' ability to improve plants' tolerance to abiotic stresses like drought, salinity, and heavy metals. Safety and regulatory aspects of NP use in agriculture are thoroughly addressed, emphasizing responsible and ethical deployment for environmental and human health safety. By harnessing the potential of NPs, this approach shows promise in reducing crop losses, increasing yields, and enhancing global food security while minimizing the environmental impact of traditional agricultural practices. The review concludes by emphasizing the importance of ongoing research to optimize NP formulations, dosages, and delivery methods for practical application in diverse agricultural settings.
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Affiliation(s)
- Nidhi Yadav
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, UP, India
| | - Sunayana Bora
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi, India
| | - Bandana Devi
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, UP, India
| | - Chandan Upadhyay
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi, India
| | - Prashant Singh
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, UP, India.
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Vijaykumar S, Rajeswari B, Kavya M, Chandrika KSVP, Prasad RD, Prasanna SL, Yadav SK. Programmable chitosan-based double layer seed coating for biotic and abiotic-stress tolerance in groundnut. Int J Biol Macromol 2024; 275:133586. [PMID: 38960242 DOI: 10.1016/j.ijbiomac.2024.133586] [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: 02/16/2024] [Revised: 06/27/2024] [Accepted: 06/29/2024] [Indexed: 07/05/2024]
Abstract
In the face of agricultural challenges posed by both abiotic and biotic stressors, phytopathogens emerge as formidable threats to crop productivity. Conventional methods, involving the use of pesticides and microbes, often lead to unintended consequences. In addressing this issue, ICAR -Indian Institute of Oilseeds Research (ICAR-IIOR) has developed a chitosan-based double-layer seed coating. Emphasizing crop input compatibility, entrapment, and characterization, the study has yielded promising results. The double-layer coating on groundnut seeds enhanced germination and seedling vigor. Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) confirmed the structural changes and entrapment of crop inputs. The persistence of T. harzianum (Th4d) and Bradyrhizobium sp. in chitosan blended film in studied soils revealed that viable propogules of Th4d were recorded in double layer treatment combination with 3.54 and 3.50 Log CFUs/g of soil (colony forming units) and Bradyrhizobium sp. with 5.34 and 5.27 Log CFUs/g of soil at 90 days after application (DAA). Root colonization efficacy studies of Th4d and Bradyrhizobium sp. in groundnut crop in studied soils revealed that, maximum viable colonies were observed at 45 days after sowing (DAS). This comprehensive study highlights the potential of chitosan-based double-layer seed coating providing a promising and sustainable strategy for stress management in agriculture.
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Affiliation(s)
- S Vijaykumar
- PJTSAU - College of Agriculture, Rajendranagar, Hyderabad, Telangana 500030, India
| | - B Rajeswari
- PJTSAU - College of Agriculture, Adilabad, Telangana 504001, India
| | - M Kavya
- ICAR - Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad, Telangana 500030, India
| | - K S V Poorna Chandrika
- ICAR - Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad, Telangana 500030, India.
| | - R D Prasad
- ICAR - Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad, Telangana 500030, India.
| | - S Lakshmi Prasanna
- ICAR - Indian Institute of Oilseeds Research, Rajendranagar, Hyderabad, Telangana 500030, India
| | - Sunil Kumar Yadav
- Indian Agricultural Statistics Research Institute, Library Avenue, New Delhi 110012, India
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7
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Woo JM, Kim HS, Lee IK, Byeon EJ, Chang WJ, Lee YS. Potentiality of Beneficial Microbe Bacillus siamensis GP-P8 for the Suppression of Anthracnose Pathogens and Pepper Plant Growth Promotion. THE PLANT PATHOLOGY JOURNAL 2024; 40:346-357. [PMID: 39117334 PMCID: PMC11309841 DOI: 10.5423/ppj.oa.01.2024.0022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 07/01/2024] [Accepted: 07/01/2024] [Indexed: 08/10/2024]
Abstract
This study was carried out to screen the antifungal activity against Colletotrichum acutatum, Colletotrichum dematium, and Colletotrichum coccodes. Bacterial isolate GP-P8 from pepper soil was found to be effective against the tested pathogens with an average inhibition rate of 70.7% in in vitro dual culture assays. 16S rRNA gene sequencing analysis result showed that the effective bacterial isolate as Bacillus siamensis. Biochemical characterization of GP-P8 was also performed. According to the results, protease and cellulose, siderophore production, phosphate solubilization, starch hydrolysis, and indole-3-acetic acid production were shown by the GP-P8. Using specific primers, genes involved in the production of antibiotics, such as iturin, fengycin, difficidin, bacilysin, bacillibactin, surfactin, macrolactin, and bacillaene were also detected in B. siamensis GP-P8. Identification and analysis of volatile organic compounds through solid phase microextraction/gas chromatography-mass spectrometry (SPME/GC-MS) revealed that acetoin and 2,3-butanediol were produced by isolate GP-P8. In vivo tests showed that GP-P8 significantly reduced the anthracnose disease caused by C. acutatum, and enhanced the growth of pepper plant. Reverse transcription polymerase chain reaction analysis of pepper fruits revealed that GP-P8 treated pepper plants showed increased expression of immune genes such as CaPR1, CaPR4, CaNPR1, CaMAPK4, CaJA2, and CaERF53. These results strongly suggest that GP-P8 could be a promising biocontrol agent against pepper anthracnose disease and possibly a pepper plant growth-promoting agent.
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Affiliation(s)
- Ji Min Woo
- Division of Biological Resource Sciences, Department of Applied Plant Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Hyun Seung Kim
- Division of Biological Resources Sciences, Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, Korea
| | - In Kyu Lee
- Department of Life Sciences, Pohang University of Science and Technology, Pohang 37673, Korea
| | - Eun Jeong Byeon
- Division of Biological Resource Sciences, Department of Applied Plant Sciences, Kangwon National University, Chuncheon 24341, Korea
| | - Won Jun Chang
- Division of Biological Resources Sciences, Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, Korea
| | - Youn Su Lee
- Division of Biological Resource Sciences, Department of Applied Plant Sciences, Kangwon National University, Chuncheon 24341, Korea
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8
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Baćmaga M, Wyszkowska J, Kucharski J. Response of Soil Microbiota, Enzymes, and Plants to the Fungicide Azoxystrobin. Int J Mol Sci 2024; 25:8104. [PMID: 39125673 PMCID: PMC11311602 DOI: 10.3390/ijms25158104] [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: 05/23/2024] [Revised: 07/12/2024] [Accepted: 07/23/2024] [Indexed: 08/12/2024] Open
Abstract
The present study was aimed at assessing the impact of azoxystrobin-a fungicide commonly used in plant protection against pathogens (Amistar 250 SC)-on the soil microbiota and enzymes, as well as plant growth and development. The laboratory experiment was conducted in three analytical terms (30, 60, and 90 days) on sandy clay (pH-7.0). Azoxystrobin was applied to soil in doses of 0.00 (C), 0.110 (F) and 32.92 (P) mg kg-1 d.m. of soil. Its 0.110 mg kg-1 dose stimulated the proliferation of organotrophic bacteria and actinobacteria but inhibited that of fungi. It also contributed to an increase in the colony development index (CD) and a decrease in the ecophysiological diversity index (EP) of all analyzed groups of microorganisms. Azoxystrobin applied at 32.92 mg kg-1 reduced the number and EP of microorganisms and increased their CD. PP952051.1 Bacillus mycoides strain (P), PP952052.1 Prestia megaterium strain (P) bacteria, as well as PP952052.1 Kreatinophyton terreum isolate (P) fungi were identified in the soil contaminated with azoxystrobin, all of which may exhibit resistance to its effects. The azoxystrobin dose of 0.110 mg kg-1 stimulated the activity of all enzymes, whereas its 32.92 mg kg-1 dose inhibited activities of dehydrogenases, alkaline phosphatase, acid phosphatase, and urease and stimulated the activity of catalase. The analyzed fungicide added to the soil at both 0.110 and 32.92 mg kg-1 doses inhibited seed germination and elongation of shoots of Lepidium sativum L., Sinapsis alba L., and Sorgum saccharatum L.
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Affiliation(s)
| | - Jadwiga Wyszkowska
- Department of Soil Science and Microbiology, University of Warmia and Mazury in Olsztyn, 10-727 Olsztyn, Poland; (M.B.); (J.K.)
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9
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Hamrouni R, Regus F, Farnet Da Silva AM, Orsiere T, Boudenne JL, Laffont-Schwob I, Christen P, Dupuy N. Current status and future trends of microbial and nematode-based biopesticides for biocontrol of crop pathogens. Crit Rev Biotechnol 2024:1-20. [PMID: 38987982 DOI: 10.1080/07388551.2024.2370370] [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: 11/29/2022] [Accepted: 05/26/2024] [Indexed: 07/12/2024]
Abstract
The increasing public demand to avoid the use of synthetic pesticides and fertilizers in agricultural production systems, causing serious environmental damages, has challenged industry to develop new and effective solutions to manage and control phytopathogens. Biopesticides, particularly microbial-based biopesticides, are a promising new alternative with high biodegradability, specificity, suitability for incorporation into integrated pest management practices, low likelihood of resistance development, and practically no known human health risks. However: expensive production methods, narrow action spectra, susceptibility to environmental conditions, short shelf life, poor storage stability, legislation registry constraints, and general lack of knowledge are slowing down their adoption. In addition to regulatory framework revisions and improved training initiatives, improved preservation methods, thoughtfully designed formulations, and field test validations are needed to offer new microbial- and nematode-based biopesticides with improved efficacy and increased shelf-life. During the last several years, substantial advancements in biopesticide production have been developed. The novelty part of this review written in 2023 is to summarize (i) mechanisms of action of beneficial microorganisms used to increase crop performance and (ii) successful formulation including commercial products for the biological control of phytopathogens based on microorganisms, nematode and/or metabolites.
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Affiliation(s)
- Rayhane Hamrouni
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
- Aix Marseille Univ, CNRS, LCE UMR 7376, 13331, Marseille, France
| | - Flor Regus
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
- Aix Marseille Univ, IRD, LPED, Marseille, France
| | | | - Thierry Orsiere
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
| | | | | | - Pierre Christen
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
| | - Nathalie Dupuy
- Aix Marseille Univ, Avignon Univ, CNRS, IRD, IMBE, Marseille, France
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10
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Dueri S, Mack G. Modeling the implications of policy reforms on pesticide risk for Switzerland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 928:172436. [PMID: 38615777 DOI: 10.1016/j.scitotenv.2024.172436] [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: 01/15/2024] [Revised: 04/10/2024] [Accepted: 04/10/2024] [Indexed: 04/16/2024]
Abstract
Growing public awareness of the negative effects of pesticides on the environment, ecosystems, and human health has led governments to set targets for reducing pesticide risk. Switzerland introduced in 2023 two new policy measures to reduce pesticide risk by 50 % by 2027: (1) voluntary direct payment programs supporting pesticide-reduced and pesticide-free but non-organic cropping systems for most crops on arable land, and (2) restrictions of harmful pesticides for farmers managing under Swiss cross-compliance standards. This study aims to (1) develop a method to assess pesticide risk on a national scale and (2) carry out an ex-ante impact assessment to predict whether these policies can effectively reduce pesticide risks in Switzerland. Therefore, we introduced crop-specific pesticide quantities and pesticide risk scores into a sample of 1907 bio-economic farm optimization models. The models were used to predict farmers' adoption decisions regarding voluntary direct payment programs from 2019 to 2030. By combining the bio-economic farm optimization models with an agent-based modeling approach, we assessed the evolution of pesticide-related risks at the national level. Simulations for pesticide risk from 2019 to 2022 reflected the observed pesticide risk monitored by the Swiss government. In surface waters and semi-natural habitats, achieving the target depends on reducing pyrethroids, a class of insecticides with high-risk potential. Further, we highlight significant uncertainty in projecting the risk potential for surface waters and semi-natural habitats due to uncertainty about the amounts of pyrethroid used for different crops. The results underline the need for comprehensive datasets on pesticide use in Switzerland.
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Affiliation(s)
- Sibylle Dueri
- Agroscope, Research Group Economic Modelling and Policy Analysis, Tänikon, 8356 Ettenhausen, Switzerland.
| | - Gabriele Mack
- Agroscope, Research Group Economic Modelling and Policy Analysis, Tänikon, 8356 Ettenhausen, Switzerland
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Ramkumar D, Marty A, Ramkumar J, Rosencranz H, Vedantham R, Goldman M, Meyer E, Steinmetz J, Weckle A, Bloedorn K, Rosier C. Food for thought: Making the case for food produced via regenerative agriculture in the battle against non-communicable chronic diseases (NCDs). One Health 2024; 18:100734. [PMID: 38711478 PMCID: PMC11070632 DOI: 10.1016/j.onehlt.2024.100734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 04/17/2024] [Indexed: 05/08/2024] Open
Abstract
Non-communicable diseases (NCDs) pose a global health challenge, leading to substantial morbidity, mortality, and economic strain. Our review underscores the escalating incidence of NCDs worldwide and highlights the potential of regenerative agriculture (RA) products in mitigating these diseases. We also explore the efficacy of dietary interventions in NCD management and prevention, emphasizing the superiority of plant-based diets over those high in processed foods and red meat. Examining the role of the gut microbiome in various diseases, including liver disorders, allergies, metabolic syndrome, inflammatory bowel disease, and colon cancer, we find compelling evidence implicating its influence on disease development. Notably, dietary modifications can positively affect the gut microbiome, fostering a symbiotic relationship with the host and making this a critical strategy in disease prevention and treatment. Investigating agricultural practices, we identify parallels between soil/plant and human microbiome studies, suggesting a crucial link between soil health, plant- and animal-derived food quality, and human well-being. Conventional/Industrial agriculture (IA) practices, characterized in part by use of chemical inputs, have adverse effects on soil microbiome diversity, food quality, and ecosystems. In contrast, RA prioritizes soil health through natural processes, and includes avoiding synthetic inputs, crop rotation, and integrating livestock. Emerging evidence suggests that food from RA systems surpasses IA-produced food in quality and nutritional value. Recognizing the interconnection between human, plant, and soil microbiomes, promoting RA-produced foods emerges as a strategy to improve human health and environmental sustainability. By mitigating climate change impacts through carbon sequestration and water cycling, RA offers dual benefits for human and planetary health and well-being. Emphasizing the pivotal role of diet and agricultural practices in combating NCDs and addressing environmental concerns, the adoption of regional RA systems becomes imperative. Increasing RA integration into local food systems can enhance food quality, availability, and affordability while safeguarding human health and the planet's future.
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Affiliation(s)
- Davendra Ramkumar
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, 506 South Matthews Ave, Urbana, IL 61801, USA
- Illinois Water Resources Center, University of Illinois Urbana Champaign, Natural Resources Building 615 E. Peabody Dr Champaign, IL 61820, USA
| | - Aileen Marty
- Herbert Wertheim College of Medicine, Florida International University, 11200 SW 8th Street, Miami, FL 33199, USA
| | - Japhia Ramkumar
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, 506 South Matthews Ave, Urbana, IL 61801, USA
- Illinois Water Resources Center, University of Illinois Urbana Champaign, Natural Resources Building 615 E. Peabody Dr Champaign, IL 61820, USA
| | - Holly Rosencranz
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, 506 South Matthews Ave, Urbana, IL 61801, USA
- Illinois Water Resources Center, University of Illinois Urbana Champaign, Natural Resources Building 615 E. Peabody Dr Champaign, IL 61820, USA
| | - Radhika Vedantham
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, 506 South Matthews Ave, Urbana, IL 61801, USA
- Illinois Water Resources Center, University of Illinois Urbana Champaign, Natural Resources Building 615 E. Peabody Dr Champaign, IL 61820, USA
| | - Modan Goldman
- Carle Illinois College of Medicine, University of Illinois Urbana Champaign, 506 South Matthews Ave, Urbana, IL 61801, USA
- Illinois Water Resources Center, University of Illinois Urbana Champaign, Natural Resources Building 615 E. Peabody Dr Champaign, IL 61820, USA
| | - Erin Meyer
- Basil's Harvest, 227 W Monroe St, Suite 2100, Chicago, IL 60606, USA
| | - Jasia Steinmetz
- University of Wisconsin – Stevens Point 202 College of Professional Studies, Stevens Point, WI 54481-3897, USA
| | - Amy Weckle
- Illinois Water Resources Center, University of Illinois Urbana Champaign, Natural Resources Building 615 E. Peabody Dr Champaign, IL 61820, USA
| | - Kelly Bloedorn
- Basil's Harvest, 227 W Monroe St, Suite 2100, Chicago, IL 60606, USA
| | - Carl Rosier
- Basil's Harvest, 227 W Monroe St, Suite 2100, Chicago, IL 60606, USA
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12
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Ahmed A, He P, He Y, Singh BK, Wu Y, Munir S, He P. Biocontrol of plant pathogens in omics era-with special focus on endophytic bacilli. Crit Rev Biotechnol 2024; 44:562-580. [PMID: 37055183 DOI: 10.1080/07388551.2023.2183379] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Accepted: 02/06/2023] [Indexed: 04/15/2023]
Abstract
Nearly all plants and their organs are inhabited by endophytic microbes which play a crucial role in plant fitness and stress resilience. Harnessing endophytic services can provide effective solutions for a sustainable increase in agriculture productivity and can be used as a complement or alternative to agrochemicals. Shifting agriculture practices toward the use of nature-based solutions can contribute directly to the global challenges of food security and environmental sustainability. However, microbial inoculants have been used in agriculture for several decades with inconsistent efficacy. Key reasons of this inconsistent efficacy are linked to competition with indigenous soil microflora and inability to colonize plants. Endophytic microbes provide solutions to both of these issues which potentially make them better candidates for microbial inoculants. This article outlines the current advancements in endophytic research with special focus on endophytic bacilli. A better understanding of diverse mechanisms of disease control by bacilli is essential to achieve maximum biocontrol efficacy against multiple phytopathogens. Furthermore, we argue that integration of emerging technologies with strong theoretical frameworks have the potential to revolutionize biocontrol approaches based on endophytic microbes.
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Affiliation(s)
- Ayesha Ahmed
- State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Pengfei He
- State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Yueqiu He
- State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Brajesh K Singh
- Hawkesbury Institute for the Environment, Western Sydney University, Penrith South, New South Wales, Australia
- Global Centre for Land Based Innovation, Western Sydney University, Penrith South, New South Wales, Australia
| | - Yixin Wu
- State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Shahzad Munir
- State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
| | - Pengbo He
- State Key Laboratory for Conservation and Utilization of Bio-resources in Yunnan, Yunnan Agricultural University, Kunming, Yunnan, China
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13
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Rouhi-Kelarlou T, Golchin A, Soltani Toularoud AA. Ecotoxicological impact of butisanstar and clopyralid herbicides on soil microbial respiration and the enzymatic activities. CHEMOSPHERE 2024; 357:142029. [PMID: 38626812 DOI: 10.1016/j.chemosphere.2024.142029] [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: 11/30/2023] [Revised: 03/08/2024] [Accepted: 04/10/2024] [Indexed: 04/20/2024]
Abstract
The application of herbicides in soil has been noted for its detrimental effect on the soil microbial community, crucial for various biochemical processes. This study provides a comprehensive assessment of the impact of butisanstar and clopyralid herbicides, both individually and in combination at different dosage (recommended field dose (RFD), ½, 2 and 5-times RFD). The assessment focuses on soil basal respiration (SBR), cumulative microbial respiration (CMR), and the activities dehydrogenase (DH), catalase (CAT), urease, acid and alkaline phosphatases (Ac-P and Alk-P) enzymes, along with their variations on days 10, 30, 60, and 90 post-herbicide application. Results indicate that, although herbicides, even at lower doses of RFD, demonstrate inhibitory effects on DH, CAT, and microbial respiration, they paradoxically lead to a significant enhancement in urease and phosphatase activities, even at higher doses. The inhibitory/enhancing intensity varies based on herbicide type, incubation period, and dosage. Co-application of herbicides manifests synergistic effects compared to individual applications. The most notable inhibitory effects on DH, CAT, and SBR are observed on the 30th day, coinciding with the highest activities of urease and phosphatases on the same day. The persistent inability to restore respiration and enzyme activities to initial soil (control) levels emphasizes the lasting adverse and inhibitory effects of herbicides, especially clopyralid, over the long term. It becomes apparent that soil microorganisms require an extended duration to decompose and acclimate to the presence of herbicides. Consequently, these agrochemical compounds pose a potential risk to crucial biochemical processes, such as nutrient cycling, ultimately impacting crop production.
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Affiliation(s)
- Tohid Rouhi-Kelarlou
- Department of Soil Science, Faculty of Agriculture, University of Zanjan, Zanjan, Iran.
| | - Ahmad Golchin
- Department of Soil Science, Faculty of Agriculture, University of Zanjan, Zanjan, Iran.
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14
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Ciriello M, Campana E, Colla G, Rouphael Y. An Appraisal of Nonmicrobial Biostimulants' Impact on the Productivity and Mineral Content of Wild Rocket ( Diplotaxis tenuifolia (L.) DC.) Cultivated under Organic Conditions. PLANTS (BASEL, SWITZERLAND) 2024; 13:1326. [PMID: 38794397 PMCID: PMC11125422 DOI: 10.3390/plants13101326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 04/29/2024] [Accepted: 05/07/2024] [Indexed: 05/26/2024]
Abstract
Modern agriculture urgently requires viable alternatives to synthetic chemical substances, such as pesticides and fertilizers, to comply with new and stringent international regulations and meet the growing demands of consumers who prefer chemical-free food. Consequently, organic agriculture has garnered increasing interest over time. To compensate for yield reduction resulting from opting out of the use mineral fertilizers, research has focused on the use of biostimulants to sustain the productivity of horticultural crops. To this end, a greenhouse experiment was conducted to assess the effects of three nonmicrobial biostimulants (a plant extract, vegetable protein hydrolysate, and a seaweed extract) and an untreated control on the production and mineral content of wild rocket (Diplotaxis tenuifolia (L.) DC.) cultivated under organic conditions and harvested three times during the growth cycle. In general, the nitrate content, which defines the commercial quality of wild rocket, was not influenced by the application of biostimulants. At each harvest, the application of biostimulants resulted in improved production performance, although this was not always accompanied by an increase in mineral content. Specifically, the best results were obtained with the use of plant-derived protein hydrolysate and plant extract, which led to an improvement in total yield of 32.1% and 27.2%, respectively compared to that of control plants. These results reconfirm that biostimulants represent a valid and indispensable tool for organic growers.
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Affiliation(s)
- Michele Ciriello
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (M.C.); (E.C.)
| | - Emanuela Campana
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (M.C.); (E.C.)
| | - Giuseppe Colla
- Department of Agriculture and Forest Sciences, University of Tuscia, 01100 Viterbo, Italy;
| | - Youssef Rouphael
- Department of Agricultural Sciences, University of Naples Federico II, 80055 Portici, Italy; (M.C.); (E.C.)
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15
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Öz M, Inanan BE, Üstüner E, Karagoz B, Dikel S. Effects of dietary garlic (Allium sativum) oil on growth performance, haemato-biochemical and histopathology of cypermethrin-intoxicated Nile tilapia (Oreochromis niloticus). Vet Med Sci 2024; 10:e1449. [PMID: 38581350 PMCID: PMC10998455 DOI: 10.1002/vms3.1449] [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: 11/15/2023] [Revised: 03/08/2024] [Accepted: 03/24/2024] [Indexed: 04/08/2024] Open
Abstract
BACKGROUND When pesticides are introduced into wetlands by agriculture, fish quickly absorb them through their gills. Pesticides reduce hatchability, impede growth, and antioxidant response, killing fish. Therefore, it's crucial to find effective pesticide mitigation methods for fish. OBJECTIVE In this study, the effects of garlic (Allium sativum) oil on the growth, haematology, biochemistry and histopathology parameters of Nile tilapia (Oreochromis niloticus) exposed to cypermethrin toxicity were investigated. METHODS In the research, cypermethrin was added to the water of the experimental groups at a rate of 1:20 of the LC50 value, and 1.00% garlic oil was added to the fish feed. Fish with an initial weight of 30.26 ± 0.26 g were fed for 45 days. RESULTS At the end of feeding, the final weights were determined as 69.39 ± 0.41 (G1), 61.81 ± 0.65 (G2), 82.25 ± 0.36 (G3), and 75.04 ± 0.68 (G4) grams, respectively. Histopathological examinations revealed serious lesions in the gill, liver, brain, and muscle tissues in the cypermethrin group, whereas these lesions were minimal or absent in the garlic oil group. CONCLUSIONS Garlic oil supplementation had positive effects on growth, haematology, blood biochemistry, hepatosomatic index and histopathological parameters. These findings suggest that garlic oil is a potential protective agent against cypermethrin toxicity.
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Affiliation(s)
- Mustafa Öz
- Faculty of Veterinary MedicineDepartment of Fisheries and DiseasesAksaray UniversityAksarayTurkey
| | - Burak Evren Inanan
- Faculty of Veterinary MedicineDepartment of Fisheries and DiseasesAksaray UniversityAksarayTurkey
| | - Enes Üstüner
- Faculty of Veterinary MedicineDepartment of Fisheries and DiseasesAksaray UniversityAksarayTurkey
| | - Betül Karagoz
- Department of Fisheries and DiseasesGraduate School of Health SciencesAksaray UniversityAksarayTurkey
| | - Suat Dikel
- Faculty of FisheriesDepartment of AquacultureCukurova UniversityAdanaTurkey
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16
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Knuth D, Gai L, Silva V, Harkes P, Hofman J, Šudoma M, Bílková Z, Alaoui A, Mandrioli D, Pasković I, Polić Pasković M, Baldi I, Bureau M, Alcon F, Contreras J, Glavan M, Abrantes N, Campos I, Norgaard T, Huerta Lwanga E, Scheepers PTJ, Ritsema CJ, Geissen V. Pesticide Residues in Organic and Conventional Agricultural Soils across Europe: Measured and Predicted Concentrations. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:6744-6752. [PMID: 38568876 PMCID: PMC11025110 DOI: 10.1021/acs.est.3c09059] [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: 10/31/2023] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 04/05/2024]
Abstract
During the growing season of 2021, 201 soil samples from conventionally and organically managed fields from 10 European countries and 8 cropping systems were taken, and 192 residues of synthetic pesticides were analyzed. Pesticide residues were found in 97% of the samples, and 88% of the samples contained mixtures of at least 2 substances. A maximum of 21 substances were found in conventionally managed fields, and a maximum of 12 were found in organically managed fields. The number and concentration of pesticide residues varied significantly between conventional and organic fields in 70 and 50% of the case study sites, respectively. Application records were available for a selected number of fields (n = 82), and these records were compared to the detected substances. Residues from 52% of the applied pesticides were detected in the soils. Only 21% of the pesticide residues detected in the soil samples were applied during the 2021 growing season. From the application data, predicted environmental concentrations of residues in soil were calculated and compared to the measured concentrations. These estimates turned out not to be accurate. The results of this study show that most European agricultural soils contain mixtures of pesticide residues and that current calculation methods may not reliably estimate their presence.
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Affiliation(s)
- Dennis Knuth
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Lingtong Gai
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Vera Silva
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Paula Harkes
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Jakub Hofman
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech
Republic
| | - Marek Šudoma
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech
Republic
| | - Zuzana Bílková
- RECETOX,
Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech
Republic
| | - Abdallah Alaoui
- Institute
of Geography, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland
| | - Daniele Mandrioli
- Cesare
Maltoni Cancer Research Center, Ramazzini
Institute, Via Saliceto
3, 40010 Bologna, Bentivoglio, Italy
| | - Igor Pasković
- Department
of Agriculture and Nutrition, Institute
of Agriculture and Tourism, K. Huguesa 8, 52440 Poreč, Croatia
| | - Marija Polić Pasković
- Department
of Agriculture and Nutrition, Institute
of Agriculture and Tourism, K. Huguesa 8, 52440 Poreč, Croatia
| | - Isabelle Baldi
- Univ.
Bordeaux,
INSERM, BPH, U1219, 146
Rue Léo Saignat, 33076 Bordeaux, France
| | - Mathilde Bureau
- Univ.
Bordeaux,
INSERM, BPH, U1219, 146
Rue Léo Saignat, 33076 Bordeaux, France
| | - Francisco Alcon
- Escuela
Técnica Superior de Ingeniería Agronómica, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - Josefa Contreras
- Escuela
Técnica Superior de Ingeniería Agronómica, Universidad Politécnica de Cartagena, Paseo Alfonso XIII, 48, 30203 Cartagena, Spain
| | - Matjaž Glavan
- Agronomy
Department, Biotechnical Faculty, University
of Ljubljana, Jamnikarjeva 101, 1000 Ljubljana, Slovenia
| | - Nelson Abrantes
- CESAM
and Department of Biology, University of
Aveiro, 3810-193 Aveiro, Portugal
| | - Isabel Campos
- CESAM
and Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Trine Norgaard
- Department of Agroecology, Aarhus University, Blichers Allé 20, 8830 Tjele, Denmark
| | - Esperanza Huerta Lwanga
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Paul T. J. Scheepers
- Radboud Institute for Biological and Environmental
Sciences, Radboud
University, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands
| | - Coen J. Ritsema
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
| | - Violette Geissen
- Soil
Physics and Land Management Group, Wageningen
University and Research, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands
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17
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Agbodjato NA, Babalola OO. Promoting sustainable agriculture by exploiting plant growth-promoting rhizobacteria (PGPR) to improve maize and cowpea crops. PeerJ 2024; 12:e16836. [PMID: 38638155 PMCID: PMC11025545 DOI: 10.7717/peerj.16836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 01/04/2024] [Indexed: 04/20/2024] Open
Abstract
Maize and cowpea are among the staple foods most consumed by most of the African population, and are of significant importance in food security, crop diversification, biodiversity preservation, and livelihoods. In order to satisfy the growing demand for agricultural products, fertilizers and pesticides have been extensively used to increase yields and protect plants against pathogens. However, the excessive use of these chemicals has harmful consequences on the environment and also on public health. These include soil acidification, loss of biodiversity, groundwater pollution, reduced soil fertility, contamination of crops by heavy metals, etc. Therefore, essential to find alternatives to promote sustainable agriculture and ensure the food and well-being of the people. Among these alternatives, agricultural techniques that offer sustainable, environmentally friendly solutions that reduce or eliminate the excessive use of agricultural inputs are increasingly attracting the attention of researchers. One such alternative is the use of beneficial soil microorganisms such as plant growth-promoting rhizobacteria (PGPR). PGPR provides a variety of ecological services and can play an essential role as crop yield enhancers and biological control agents. They can promote root development in plants, increasing their capacity to absorb water and nutrients from the soil, increase stress tolerance, reduce disease and promote root development. Previous research has highlighted the benefits of using PGPRs to increase agricultural productivity. A thorough understanding of the mechanisms of action of PGPRs and their exploitation as biofertilizers would present a promising prospect for increasing agricultural production, particularly in maize and cowpea, and for ensuring sustainable and prosperous agriculture, while contributing to food security and reducing the impact of chemical fertilizers and pesticides on the environment. Looking ahead, PGPR research should continue to deepen our understanding of these microorganisms and their impact on crops, with a view to constantly improving sustainable agricultural practices. On the other hand, farmers and agricultural industry players need to be made aware of the benefits of PGPRs and encouraged to adopt them to promote sustainable agricultural practices.
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Affiliation(s)
- Nadège Adoukè Agbodjato
- Food Security and Safety Focus Area, Faculty of Natural and Agricultural Sciences, North West University, Mafikeng, North West, South Africa
- Laboratoire de Biologie et de Typage Moléculaire en Microbiologie (LBTMM), Département de Biochimie et de Biologie Cellulaire, Université d’Abomey-Calavi, Calavi, Benin
| | - Olubukola Oluranti Babalola
- Food Security and Safety Focus Area, Faculty of Natural and Agricultural Sciences, North West University, Mafikeng, North West, South Africa
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18
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Zhou H, Shen Y, Zhang N, Liu Z, Bao L, Xia Y. Wood fiber biomass pyrolysis solution as a potential tool for plant disease management: A review. Heliyon 2024; 10:e25509. [PMID: 38333782 PMCID: PMC10850972 DOI: 10.1016/j.heliyon.2024.e25509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 01/17/2024] [Accepted: 01/29/2024] [Indexed: 02/10/2024] Open
Abstract
Wood vinegar is a high-value acidic byproduct of biomass pyrolysis used for charcoal production. It is widely used in agriculture and forestry. The adverse effects of synthetic fungicides on the environment and human health have prompted the increasing use of biofungicides as alternatives to traditional products in integrated plant disease management programs. In recent years, there has been an increasing interest in the potential of wood vinegar as a disease management tool in agriculture and forestry. In this paper, the composition and preparation process of wood vinegar and its application in agriculture and forestry were introduced, and the effect and mechanism of wood vinegar against fungi, viruses and bacteria were summarized. The potential of wood vinegar as a sustainable and eco-friendly alternative to conventional chemical fungicides is also discussed. Finally, some suggestions on the application and development of wood vinegar were put forward.
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Affiliation(s)
- Hongyin Zhou
- College of Plant Protection, Yunnan Agricultural University, Kunming, 650201, China
- College of Resources and Environment, Yunnan Agricultural University, Kunming, 650201, China
- Yunnan Soil Fertility and Pollution Remediation Engineering Research Center, Kunming, 650201, China
| | - Yan Shen
- College of Plant Protection, Yunnan Agricultural University, Kunming, 650201, China
| | - Naiming Zhang
- College of Resources and Environment, Yunnan Agricultural University, Kunming, 650201, China
- Yunnan Soil Fertility and Pollution Remediation Engineering Research Center, Kunming, 650201, China
| | - Zhizong Liu
- College of Resources and Environment, Yunnan Agricultural University, Kunming, 650201, China
- Yunnan Soil Fertility and Pollution Remediation Engineering Research Center, Kunming, 650201, China
| | - Li Bao
- College of Resources and Environment, Yunnan Agricultural University, Kunming, 650201, China
- Yunnan Soil Fertility and Pollution Remediation Engineering Research Center, Kunming, 650201, China
| | - Yunsheng Xia
- College of Resources and Environment, Yunnan Agricultural University, Kunming, 650201, China
- Yunnan Soil Fertility and Pollution Remediation Engineering Research Center, Kunming, 650201, China
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19
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García Carriquiry I, Silva V, Raevel F, Harkes P, Osman R, Bentancur O, Fernandez G, Geissen V. Effects of mixtures of herbicides on nutrient cycling and plant support considering current agriculture practices. CHEMOSPHERE 2024; 349:140925. [PMID: 38086451 DOI: 10.1016/j.chemosphere.2023.140925] [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: 09/12/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/19/2023]
Abstract
The use of mixtures of pesticides and consecutive pesticide applications challenge current regulations aimed at protecting ecosystem health due to unpredictable effects of complex and dynamic mixtures. In this study, we tested the ecotoxicological effects of mixtures of herbicides, applied following a real application scheme of soybean production on soil health in a mesocosm experiment. The experiment included two sequential applications; first, glyphosate + dicamba + clethodim, and 30 days later, flumioxazin + metolachlor. Commercial products were used at the recommended doses and at two other concentrations: half and double the recommended dose. Soybean plants were exposed to the herbicide-contaminated soil from the time of sowing to the beginning of pod formation. Half of the plants were harvested at the vegetative stage and the remaining plants at the reproductive stage to evaluate endpoints related to plant support and nutrient cycling. Plant biomass was significantly affected during the vegetative stage at the recommended and double the recommended dose, with the effects being mixture-dose dependent. Lower total and arbuscular colonization of mycorrhizas were also observed in double the recommended dose, and intermediate results were observed for the recommended dose. Nodule mass and phosphorous concentration in plants decreased with increasing herbicide doses. By the end of the experiment, nodule mass and total mycorrhizal colonization were low in the plants treated with double the recommended dose of herbicides. However, both endpoints reached similar values to the control at lower herbicide doses. Plant height and phenology were only lower at double the recommended dose during the experiment. The use of non-standard endpoints evidenced that important soil functions were transiently or permanently affected, while the realistic application scheme accounted for the impact of the management practice currently used. Pesticide risk assessment should therefore, incorporate both issues to effectively protect the ecosystems.
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Affiliation(s)
- I García Carriquiry
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands; CENUR Litoral Norte, Universidad de la República, Uruguay.
| | - V Silva
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - F Raevel
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - P Harkes
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - R Osman
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
| | - O Bentancur
- Facultad de Agronomía, Universidad de la República, Uruguay
| | - G Fernandez
- Facultad de Agronomía, Universidad de la República, Uruguay
| | - V Geissen
- Soil Physics & Land Management Group, Wageningen University & Research, Netherlands
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20
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Elhawat N, Kovács AB, Antal G, Kurucz E, Domokos-Szabolcsy É, Fári MG, Alshaal T. Living mulch enhances soil enzyme activities, nitrogen pools and water retention in giant reed (Arundo donax L.) plantations. Sci Rep 2024; 14:1704. [PMID: 38242963 PMCID: PMC10798950 DOI: 10.1038/s41598-024-51491-z] [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: 07/25/2023] [Accepted: 01/05/2024] [Indexed: 01/21/2024] Open
Abstract
Giant reed (Arundo donax L.) is one of the most well-studied perennial biomass crops because of its high productivity and potential to store carbon. Yet, little information on controlling weeds in giant reed plantations and their influences on the soil ecosystem is available. In the present study, three different weed control methods, i.e., intercropping (living mulch) with sweet clover (Melilotus officinalis L.), herbicide (glyphosate), and hoeing, were investigated in a 2-year giant reed farm. The intercropping presented significantly higher values (on average) of all the tested soil properties than herbicide and hoeing, except for the catalase activity and pH. The dehydrogenase, phosphatase, and urease activities in the soil under intercropping were higher than the herbicide by 75%, 65%, and 80% (on average), respectively. Also, the soil under intercropping had higher soil organic matter (SOM) and soil respiration than the herbicide by 20% and 25%, respectively. Intercropping also increased the content of N pools, i.e., NO3--N, NH4+-N, Org-N, and Total-N by 517%, 356%, 38%, and 137%, respectively, compared to herbicide. These findings illustrated that controlling weeds in biomass plantations through legume intercropping brings benefits not only to soil properties but also to biomass productivity.
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Affiliation(s)
- Nevien Elhawat
- Department of Applied Plant Biology; Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi str. 138, 4032, Debrecen, Hungary.
- Department of Biological and Environmental Sciences, Faculty of Home Economic, Al-Azhar University, Tanta, 31732, Egypt.
| | - Andrea Balla Kovács
- Institute of Agricultural Chemistry and Soil Science, FAFSEM, University of Debrecen, 4032, Debrecen, Hungary
| | - Gabriella Antal
- Institute of Horticulture University of Debrecen, 4032, Debrecen, Hungary
| | - Erika Kurucz
- Institute of Horticulture University of Debrecen, 4032, Debrecen, Hungary
| | - Éva Domokos-Szabolcsy
- Department of Applied Plant Biology; Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi str. 138, 4032, Debrecen, Hungary
| | - Miklós Gábor Fári
- Department of Applied Plant Biology; Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi str. 138, 4032, Debrecen, Hungary
| | - Tarek Alshaal
- Department of Applied Plant Biology; Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Böszörményi str. 138, 4032, Debrecen, Hungary
- Soil and Water Department, Faculty of Agriculture, University of Kafrelsheikh, Kafr El-Sheikh, 33516, Egypt
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21
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Bolívar-Anillo HJ, Izquierdo-Bueno I, González-Rey E, González-Rodríguez VE, Cantoral JM, Collado IG, Garrido C. In Vitro Analysis of the Antagonistic Biological and Chemical Interactions between the Endophyte Sordaria tomento-alba and the Phytopathogen Botrytis cinerea. Int J Mol Sci 2024; 25:1022. [PMID: 38256097 PMCID: PMC10816056 DOI: 10.3390/ijms25021022] [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: 12/12/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
Plant pathogenic infections causing substantial global food losses are a persistent challenge. This study investigates a potential biocontrol strategy against the necrotrophic fungus Botrytis cinerea using the endophytic fungus Sordaria tomento-alba isolated from Gliricidia sepium in Colombia. Today, synthetic fungicides dominate B. cinerea control, raising environmental and health concerns. S. tomento-alba exhibits notable in vitro effects, inhibiting B. cinerea growth by approximately 60% during co-culture and 50% in double disc co-culture. Additionally, it suppresses botryanes production and produces the compound heptacyclosordariolone, which has proven effective in inhibiting B. cinerea mycelial growth and spore germination in vitro. This biocontrol agent could be a potential eco-friendly alternative to replace synthetic fungicides. Our study provides insights into the chemical and biological mechanisms underpinning the antagonistic activity of S. tomento-alba, emphasizing the need for further research to understand its biosynthesis pathways and optimize its biocontrol potential. It also contributes molecular evidence of fungal interactions with implications for advanced forums in molecular studies in biology and chemistry, particularly in addressing plant pathogenic infections and promoting sustainable agriculture.
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Affiliation(s)
- Hernando José Bolívar-Anillo
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (H.J.B.-A.); (I.I.-B.); (E.G.-R.)
- Programa de Microbiología, Facultad de Ciencias Básicas y Biomédicas, Universidad Simón Bolívar, Barranquilla 080002, Colombia
| | - Inmaculada Izquierdo-Bueno
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (H.J.B.-A.); (I.I.-B.); (E.G.-R.)
- Departamento de Biomedicina, Biotecnología y Salud Pública, Área de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (V.E.G.-R.); (J.M.C.)
| | - Estrella González-Rey
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (H.J.B.-A.); (I.I.-B.); (E.G.-R.)
| | - Victoria E. González-Rodríguez
- Departamento de Biomedicina, Biotecnología y Salud Pública, Área de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (V.E.G.-R.); (J.M.C.)
| | - Jesús M. Cantoral
- Departamento de Biomedicina, Biotecnología y Salud Pública, Área de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (V.E.G.-R.); (J.M.C.)
| | - Isidro G. Collado
- Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (H.J.B.-A.); (I.I.-B.); (E.G.-R.)
| | - Carlos Garrido
- Departamento de Biomedicina, Biotecnología y Salud Pública, Área de Microbiología, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz, Puerto Real, 11510 Cadiz, Spain; (V.E.G.-R.); (J.M.C.)
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22
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K R, S VK, Saravanan P, Rajeshkannan R, Rajasimman M, Kamyab H, Vasseghian Y. Exploring the diverse applications of Carbohydrate macromolecules in food, pharmaceutical, and environmental technologies. ENVIRONMENTAL RESEARCH 2024; 240:117521. [PMID: 37890825 DOI: 10.1016/j.envres.2023.117521] [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: 07/12/2023] [Revised: 09/26/2023] [Accepted: 10/25/2023] [Indexed: 10/29/2023]
Abstract
Carbohydrates are a class of macromolecules that has significant potential across several domains, including the organisation of genetic material, provision of structural support, and facilitation of defence mechanisms against invasion. Their molecular diversity enables a vast array of essential functions, such as energy storage, immunological signalling, and the modification of food texture and consistency. Due to their rheological characteristics, solubility, sweetness, hygroscopicity, ability to prevent crystallization, flavour encapsulation, and coating capabilities, carbohydrates are useful in food products. Carbohydrates hold potential for the future of therapeutic development due to their important role in sustained drug release, drug targeting, immune antigens, and adjuvants. Bio-based packaging provides an emerging phase of materials that offer biodegradability and biocompatibility, serving as a substitute for traditional non-biodegradable polymers used as coatings on paper. Blending polyhydroxyalkanoates (PHA) with carbohydrate biopolymers, such as starch, cellulose, polylactic acid, etc., reduces the undesirable qualities of PHA, such as crystallinity and brittleness, and enhances the PHA's properties in addition to minimizing manufacturing costs. Carbohydrate-based biopolymeric nanoparticles are a viable and cost-effective way to boost agricultural yields, which is crucial for the increasing global population. The use of biopolymeric nanoparticles derived from carbohydrates is a potential and economically viable approach to enhance the quality and quantity of agricultural harvests, which is of utmost importance given the developing global population. The carbohydrate biopolymers may play in plant protection against pathogenic fungi by inhibiting spore germination and mycelial growth, may act as effective elicitors inducing the plant immune system to cope with pathogens. Furthermore, they can be utilised as carriers in controlled-release formulations of agrochemicals or other active ingredients, offering an alternative approach to conventional fungicides. It is expected that this review provides an extensive summary of the application of carbohydrates in the realms of food, pharmaceuticals, and environment.
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Affiliation(s)
- Ramaprabha K
- School of Bio-Sciences and Technology, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Venkat Kumar S
- Department of Petrochemical Technology, University College of Engineering, BIT Campus, Anna University, Tiruchirappalli, 620 024, Tamil Nadu, India.
| | - Panchamoorthy Saravanan
- Department of Petrochemical Technology, University College of Engineering, BIT Campus, Anna University, Tiruchirappalli, 620 024, Tamil Nadu, India
| | - R Rajeshkannan
- Department of Chemical Engineering, Annamalai University, Annamalainagar, 608002, Tamil Nadu, India
| | - M Rajasimman
- Department of Chemical Engineering, Annamalai University, Annamalainagar, 608002, Tamil Nadu, India
| | - Hesam Kamyab
- Faculty of Architecture and Urbanism, UTE University, Calle Rumipamba S/N and Bourgeois, Quito, Ecuador; Department of Biomaterials, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, 600 077, India; Process Systems Engineering Centre (PROSPECT), Faculty of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
| | - Yasser Vasseghian
- Department of Chemistry, Soongsil University, Seoul, 06978, South Korea; School of Engineering, Lebanese American University, Byblos, Lebanon; University Centre for Research & Development, Department of Mechanical Engineering, Chandigarh University, Gharuan, Mohali, Punjab, 140413, India.
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23
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Thekkumpurath AS, Ghotgalkar P, Ekatpure S, Bhanbhane V, Pardeshi A, Deore P. Assessment of degradation mechanism of imidacloprid residues in grape rhizosphere soil by UHPLC-Orbitrap™-MS and its residual impact on soil enzyme activity. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:3763-3774. [PMID: 38091217 DOI: 10.1007/s11356-023-31285-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 11/24/2023] [Indexed: 01/19/2024]
Abstract
Imidacloprid (IM) is a systemic insecticide persistent in the environment and possesses a negative impact on the non-targeted ecosystem. The objective of the present study was to evaluate the dissipation and degradation mechanism of IM residues in grape rhizosphere soil and to investigate its residual effect on soil enzyme activity at different IM spiking levels. The half-life of IM residue in soil was 27, 36, and 43.5 days at a spiking level of 1, 10, and 50 mg kg-1, respectively following a bi-phasic first + first-order dissipation kinetics. UHPLC-Orbitrap™-MS analysis by targeted metabolomics approach revealed that IM metabolites such as IM-amine analogue, guanidine (reduction), 5-hydroxy IM (hydroxylation), IM-Urea (oxidation), reduced NO analogue of IM (oxidation), and olefin of guanidine IM (dehydrogenation) were identified and proposed the degradation mechanism in grape rhizosphere soil. Toxicity of IM residues on five extracellular enzymes, viz., dehydrogenase, acid phosphatase, alkaline phosphatase, β-glucosidase, and urease revealed that activity of dehydrogenase, acid phosphatase, and alkaline phosphatase remained unaffected at 60th day of sampling. The β-glucosidase and urease were negatively affected throughout the incubation period indicating the influence of IM residues on carbon and nitrogen mineralization in soil. Thus, long-term exposure of IM to grape rhizosphere through soil drenching could affect soil enzyme activity which has a negative effect on the soil nutrient cycle and soil microbiome.
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Affiliation(s)
| | | | - Sachin Ekatpure
- ICAR-National Research Centre for Grapes, Pune, Maharashtra, 412307, India
| | - Vrushali Bhanbhane
- ICAR-National Research Centre for Grapes, Pune, Maharashtra, 412307, India
| | - Anita Pardeshi
- ICAR-National Research Centre for Grapes, Pune, Maharashtra, 412307, India
| | - Pushpa Deore
- ICAR-National Research Centre for Grapes, Pune, Maharashtra, 412307, India
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24
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Contreras-Soto MB, Tovar-Pedraza JM. Viruses of plant-pathogenic fungi: a promising biocontrol strategy for Sclerotinia sclerotiorum. Arch Microbiol 2023; 206:38. [PMID: 38142438 DOI: 10.1007/s00203-023-03774-8] [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: 10/20/2023] [Revised: 11/17/2023] [Accepted: 11/26/2023] [Indexed: 12/26/2023]
Abstract
Plant pathogenic fungi pose a significant and ongoing threat to agriculture and food security, causing economic losses and significantly reducing crop yields. Effectively managing these fungal diseases is crucial for sustaining agricultural productivity, and in this context, mycoviruses have emerged as a promising biocontrol option. These viruses alter the physiology of their fungal hosts and their interactions with the host plants. This review encompasses the extensive diversity of reported mycoviruses, including their taxonomic classification and range of fungal hosts. We highlight representative examples of mycoviruses that affect economically significant plant-pathogenic fungi and their distinctive characteristics, with a particular emphasis on mycoviruses impacting Sclerotinia sclerotiorum. These mycoviruses exhibit significant potential for biocontrol, supported by their specificity, efficacy, and environmental safety. This positions mycoviruses as valuable tools in crop protection against diseases caused by this pathogen, maintaining their study and application as promising research areas in agricultural biotechnology. The remarkable diversity of mycoviruses, coupled with their ability to infect a broad range of plant-pathogenic fungi, inspires optimism, and suggests that these viruses have the potential to serve as an effective management strategy against major fungi-causing plant diseases worldwide.
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Affiliation(s)
- María Belia Contreras-Soto
- Laboratorio de Fitopatología, Centro de Investigación en Alimentación y Desarrollo, Coordinación Regional Culiacán, 80110, Culiacán, Sinaloa, Mexico
| | - Juan Manuel Tovar-Pedraza
- Laboratorio de Fitopatología, Centro de Investigación en Alimentación y Desarrollo, Coordinación Regional Culiacán, 80110, Culiacán, Sinaloa, Mexico.
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25
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Mohy-Ud-Din W, Chen F, Bashir S, Akhtar MJ, Asghar HN, Farooqi ZUR, Zulfiqar U, Haider FU, Afzal A, Alqahtani MD. Unlocking the potential of glyphosate-resistant bacterial strains in biodegradation and maize growth. Front Microbiol 2023; 14:1285566. [PMID: 38204469 PMCID: PMC10777731 DOI: 10.3389/fmicb.2023.1285566] [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: 08/31/2023] [Accepted: 11/27/2023] [Indexed: 01/12/2024] Open
Abstract
Glyphosate [N-(phosphonomethyl)-glycine] is a non-selective herbicide with a broad spectrum activity that is commonly used to control perennial vegetation in agricultural fields. The widespread utilization of glyphosate in agriculture leads to soil, water, and food crop contamination, resulting in human and environmental health consequences. Therefore, it is imperative to devise techniques for enhancing the degradation of glyphosate in soil. Rhizobacteria play a crucial role in degrading organic contaminants. Limited work has been done on exploring the capabilities of indigenously existing glyphosate-degrading rhizobacteria in Pakistani soils. This research attempts to discover whether native bacteria have the glyphosate-degrading ability for a sustainable solution to glyphosate contamination. Therefore, this study explored the potential of 11 native strains isolated from the soil with repeated glyphosate application history and showed resistance against glyphosate at higher concentrations (200 mg kg-1). Five out of eleven strains outperformed in glyphosate degradation and plant growth promotion. High-pressure liquid chromatography showed that, on average, these five strains degraded 98% glyphosate. In addition, these strains promote maize seed germination index and shoot and root fresh biomass up to 73 and 91%, respectively. Furthermore, inoculation gave an average increase of acid phosphatase (57.97%), alkaline phosphatase (1.76-fold), and dehydrogenase activity (1.75-fold) in glyphosate-contaminated soil. The findings indicated the importance of using indigenous rhizobacteria to degrade glyphosate. Therefore, by maintaining soil health, indigenous soil biodiversity can work effectively for the bioremediation of contaminated soils and sustainable crop production in a world facing food security.
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Affiliation(s)
- Waqas Mohy-Ud-Din
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
- Department of Soil and Environmental Sciences, Ghazi University, Dera Ghazi Khan, Pakistan
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, MD, United States
| | - Feng Chen
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, MD, United States
| | - Safdar Bashir
- Department of Soil and Environmental Sciences, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Muhammad Javed Akhtar
- 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
| | - Zia Ur Rahman Farooqi
- Institute of Soil and Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Usman Zulfiqar
- Department of Agronomy, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Fasih Ullah Haider
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Aneeqa Afzal
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Mashael Daghash Alqahtani
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
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26
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Aminu S, Ascandari A, Laamarti M, Safdi NEH, El Allali A, Daoud R. Exploring microbial worlds: a review of whole genome sequencing and its application in characterizing the microbial communities. Crit Rev Microbiol 2023:1-25. [PMID: 38006569 DOI: 10.1080/1040841x.2023.2282447] [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: 05/22/2023] [Accepted: 11/06/2023] [Indexed: 11/27/2023]
Abstract
The classical microbiology techniques have inherent limitations in unraveling the complexity of microbial communities, necessitating the pivotal role of sequencing in studying the diversity of microbial communities. Whole genome sequencing (WGS) enables researchers to uncover the metabolic capabilities of the microbial community, providing valuable insights into the microbiome. Herein, we present an overview of the rapid advancements achieved thus far in the use of WGS in microbiome research. There was an upsurge in publications, particularly in 2021 and 2022 with the United States, China, and India leading the metagenomics research landscape. The Illumina platform has emerged as the widely adopted sequencing technology, whereas a significant focus of metagenomics has been on understanding the relationship between the gut microbiome and human health where distinct bacterial species have been linked to various diseases. Additionally, studies have explored the impact of human activities on microbial communities, including the potential spread of pathogenic bacteria and antimicrobial resistance genes in different ecosystems. Furthermore, WGS is used in investigating the microbiome of various animal species and plant tissues such as the rhizosphere microbiome. Overall, this review reflects the importance of WGS in metagenomics studies and underscores its remarkable power in illuminating the variety and intricacy of the microbiome in different environments.
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Affiliation(s)
- Suleiman Aminu
- Chemical and Biochemical Sciences-Green Process Engineering, University Mohammed VI Polytechnic, Ben Guerir, Morocco
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria
| | - AbdulAziz Ascandari
- Chemical and Biochemical Sciences-Green Process Engineering, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Meriem Laamarti
- Faculty of Medical Sciences, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Nour El Houda Safdi
- AgroBioSciences Program, College for Sustainable Agriculture and Environmental Science, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Achraf El Allali
- Bioinformatics Laboratory, College of Computing, University Mohammed VI Polytechnic, Ben Guerir, Morocco
| | - Rachid Daoud
- Chemical and Biochemical Sciences-Green Process Engineering, University Mohammed VI Polytechnic, Ben Guerir, Morocco
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27
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Lee YY, Roslan NS, Tee V, Koo TH, Ibrahim YS. Climate Change and the Esophagus: Speculations on Changing Disease Patterns as the World Warms. Curr Gastroenterol Rep 2023; 25:280-288. [PMID: 37656421 DOI: 10.1007/s11894-023-00888-3] [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] [Accepted: 08/16/2023] [Indexed: 09/02/2023]
Abstract
PURPOSE OF REVIEW Esophageal disorders, including gastroesophageal reflux disease (GERD), eosinophilic esophagitis (EoE), and esophageal cancer, may be affected by climate change. Our review describes the impact of climate change on risk factors associated with esophageal diseases and speculates how these climate-related factors impacted esophageal disorders and their management. RECENT FINDINGS Climate change is responsible for extreme weather conditions (shifts in rainfall, floods, droughts, and forest fires) and global warming. These consequences affect basic human needs of water and food, causing changes in population dynamics and pose significant threats to digestive health, including common esophageal disorders like GERD, EoE, and esophageal cancers. The changing patterns of esophageal diseases with climate change are likely mediated through risk factors, including nutrition, pollutants, microplastics, and the microbiota-gut-brain axis. The healthcare process itself, including GI endoscopy practices commonly employed in diagnosing and therapeutics of esophageal diseases, may, in turn, contribute to climate change through plastic wastage and greenhouse gas emissions, thus creating the climate change lifecycle. Breaking the cycle would involve changes at the individual level, community level, and national policy level. Prevention is key, with individuals identifying and remediating risk factors and reducing carbon footprints. The ABC (Advocacy, Broadcast, and Collaborate) activities would help enhance awareness at the community level. Higher-level programs such as the Bracing Resilience Against Climate Effects (BRACE) would lead to broader and larger-scale adoption of public health adaptation strategies at the national level. The impact of climate change on esophageal disorders is likely real, mediated by several risk factors, and creates a climate change lifecycle that may only break if changes are made at individual, community, and national levels.
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Affiliation(s)
- Yeong Yeh Lee
- School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia.
- GI Function and Motility Unit, Hospital Universiti Sains Malaysia, 16150, Kota Bharu, Malaysia.
| | - Nur Sakinah Roslan
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Malaysia
| | - Vincent Tee
- School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Thai Hau Koo
- School of Medical Sciences, Universiti Sains Malaysia, Kota Bharu, Malaysia
| | - Yusof Shuaib Ibrahim
- Faculty of Science and Marine Environment, Universiti Malaysia Terengganu, Kuala Nerus, Malaysia
- Microplastic Research Interest Group, Universiti Malaysia Terengganu, Kuala Nerus, Malaysia
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28
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Eevera T, Kumaran S, Djanaguiraman M, Thirumaran T, Le QH, Pugazhendhi A. Unleashing the potential of nanoparticles on seed treatment and enhancement for sustainable farming. ENVIRONMENTAL RESEARCH 2023; 236:116849. [PMID: 37558116 DOI: 10.1016/j.envres.2023.116849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/28/2023] [Accepted: 08/06/2023] [Indexed: 08/11/2023]
Abstract
The foremost challenge in farming is the storage of seeds after harvest and maintaining seed quality during storage. In agriculture, studies showed positive impacts of nanotechnology on plant development, seed storage, endurance under various types of stress, detection of seed damages, and seed quality. Seed's response varies with different types of nanoparticles depending on its physical and biochemical properties and plant species. Herein, we aim to cover the impact of nanoparticles on seed coating, dormancy, germination, seedling, nutrition, plant growth, stress conditions protection, and storage. Although the seed treatment by nanopriming has been shown to improve seed germination, seedling development, stress tolerance, and seedling growth, their full potential was not realized at the field level. Sustainable nano-agrochemicals and technology could provide good seed quality with less environmental toxicity. The present review critically discusses eco-friendly strategies that can be employed for the nanomaterial seed treatment and seed enhancement process to increase seedling vigor under different conditions. Also, an integrated approach involving four innovative concepts, namely green co-priming, nano-recycling of agricultural wastes, nano-pairing, and customized nanocontainer storage, has been proposed to acclimatize nanotechnology in farming.
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Affiliation(s)
- Tamilmani Eevera
- Department of Seed Science and Technology, Tamil Nadu Agricultural University, Coimbatore, 641 003, Tamil Nadu, India
| | - Shanmugam Kumaran
- Department of Biotechnology, Periyar Maniammai Institute of Science & Technology (Deemed to be University), Vallam, Thanjavur, 613 403, Tamil Nadu, India
| | - Maduraimuthu Djanaguiraman
- Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India
| | - Thanabalu Thirumaran
- School of Biological Sciences, Nanyang Technological University, Singapore, 637551
| | - Quynh Hoang Le
- School of Medicine and Pharmacy, Duy Tan University, Da Nang, Viet Nam; Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam
| | - Arivalagan Pugazhendhi
- School of Medicine and Pharmacy, Duy Tan University, Da Nang, Viet Nam; Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam.
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29
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Salam MTB, Kataoka R. Changes in the Endophytic Bacterial Community of Brassica rapa after Application of Systemic Insecticides. Int J Mol Sci 2023; 24:15306. [PMID: 37894986 PMCID: PMC10607537 DOI: 10.3390/ijms242015306] [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: 09/29/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
Insecticides not only control target pests but also adversely affect non-target communities including humans, animals, and microbial communities in host plants and soils. The effect of insecticides on non-target communities, especially endophytic bacterial communities, remains poorly understood. Two phases of treatments were conducted to compare the trends in endophytic bacterial response after insecticide application. Endophytic bacteria were isolated at 2 and 4 weeks after germination. Most insecticide treatments showed a declining trend in bacterial diversity and abundance, whereas an increasing trend was observed in the control. Therefore, insecticide use negatively affected non-target endophytic bacterial communities. Bacillus spp. was mostly dominant in the early stage in both insecticide treatment and control groups. Nevertheless, in the matured stage, mostly bacteria including Pseudomonas spp., Priestia spp. were dominant in groups treated with high insecticide concentrations. Therefore, plants can regulate and moderate their microbiome during their lifecycle depending on surrounding environmental conditions.
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Affiliation(s)
- Md. Tareq Bin Salam
- Faculty of Life and Environmental Sciences, University of Yamanashi, Kofu 400-8510, Yamanashi, Japan;
- Soil, Water and Environment Discipline, Khulna University, Khulna 9208, Bangladesh
| | - Ryota Kataoka
- Faculty of Life and Environmental Sciences, University of Yamanashi, Kofu 400-8510, Yamanashi, Japan;
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Pradhan G, Meena RS. Utilizing waste compost to improve the atmospheric CO 2 capturing in the rice-wheat cropping system and energy-cum‑carbon credit auditing for a circular economy. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 892:164572. [PMID: 37295532 DOI: 10.1016/j.scitotenv.2023.164572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023]
Abstract
The study aimed to manage industrial wastes and create a module for using compost from waste for crops cultivation to conserve energy, reduce fertilizer use and Greenhouse gas (GHG) emissions, and improve the atmospheric CO2 capturing in agriculture for a green economy. In the main-plot, the experiment's results using NS3 found 50.1 and 41.8 % more grain yield and total carbon dioxide (CO2) sequestration in the wheat-rice cropping sequence, respectively, compared to the NS0. Moreover, the treatment CW + TV in the sub-plot observed 24.0 and 20.3 % higher grain yield and total CO2 sequestration than B + PS. Based on interaction, the NS3× CW + TV resulted in a maximum total CO2 sequestration and C credit of 47.5 Mg ha-1 and US$ 1899 ha-1, respectively. Further, it was 27.9 % lower in carbon footprints (CFs) than NS1 × B + PS. Regarding another parameter, the treatment NS3 observed a 42.4 % more total energy output in the main-plot than that of NS0. Further, in the sub-plot, the treatment CW + TV produced 21.3 % more total energy output than B + PS. Energy use efficiency (EUE) and net energy return in the interaction of NS3× CW + TV were 20.5 and 138.8 % greater than the NS0 × B + PS, respectively. In the main-plot, the treatment NS3 obtained a maximum of 585.0 MJ US$-1 and US$ 0.24 MJ-1 for energy intensity in economic terms (EIET) and eco-efficiency index in terms of energy (EEIe), respectively. While in the sub-plot, the CW + TV was observed at a maximum of 571.52 MJ US$-1 and US$ 0.23 MJ-1 EIET and EEIe, respectively. The correlation and regression study showed a perfect positive correlation between grain yield and total C output. Moreover, a high positive correlation (0.75 to 1) was found with all other energy parameters for grain energy use efficiency (GEUE). The variability in the wheat-rice cropping sequence's energy profitability (EPr) was 53.7 % for human energy profitability (HEP). Based on principal component analysis (PCA), the eigenvalues of the first two principal components (PCs) had been greater than two, explaining 78.4 and 13.7 % of the variability. The experiment hypothesis was to develop a reliable technology for safely using industrial waste compost, minimizing energy consumption and CO2 emissions by reducing chemical fertilizer input in agriculture soils.
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Affiliation(s)
- Gourisankar Pradhan
- Department of Agronomy, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, UP 221 005, India
| | - Ram Swaroop Meena
- Department of Agronomy, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, UP 221 005, India.
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Hellal J, Barthelmebs L, Bérard A, Cébron A, Cheloni G, Colas S, Cravo-Laureau C, De Clerck C, Gallois N, Hery M, Martin-Laurent F, Martins J, Morin S, Palacios C, Pesce S, Richaume A, Vuilleumier S. Unlocking secrets of microbial ecotoxicology: recent achievements and future challenges. FEMS Microbiol Ecol 2023; 99:fiad102. [PMID: 37669892 PMCID: PMC10516372 DOI: 10.1093/femsec/fiad102] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/21/2023] [Accepted: 09/04/2023] [Indexed: 09/07/2023] Open
Abstract
Environmental pollution is one of the main challenges faced by humanity. By their ubiquity and vast range of metabolic capabilities, microorganisms are affected by pollution with consequences on their host organisms and on the functioning of their environment. They also play key roles in the fate of pollutants through the degradation, transformation, and transfer of organic or inorganic compounds. Thus, they are crucial for the development of nature-based solutions to reduce pollution and of bio-based solutions for environmental risk assessment of chemicals. At the intersection between microbial ecology, toxicology, and biogeochemistry, microbial ecotoxicology is a fast-expanding research area aiming to decipher the interactions between pollutants and microorganisms. This perspective paper gives an overview of the main research challenges identified by the Ecotoxicomic network within the emerging One Health framework and in the light of ongoing interest in biological approaches to environmental remediation and of the current state of the art in microbial ecology. We highlight prevailing knowledge gaps and pitfalls in exploring complex interactions among microorganisms and their environment in the context of chemical pollution and pinpoint areas of research where future efforts are needed.
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Affiliation(s)
| | - Lise Barthelmebs
- Université de Perpignan Via Domitia, Biocapteurs – Analyse-Environnement, Perpignan, France
- Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, Banyuls-sur-Mer, France
| | - Annette Bérard
- UMR EMMAH INRAE/AU – équipe SWIFT, 228, route de l'Aérodrome, 84914 Avignon Cedex 9, France
| | | | - Giulia Cheloni
- MARBEC, Univ Montpellier, CNRS, Ifremer, IRD, Sète, France
| | - Simon Colas
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Pau, France
| | | | - Caroline De Clerck
- AgricultureIsLife, Gembloux Agro-Bio Tech (Liege University), Passage des Déportés 2, 5030 Gembloux, Belgium
| | | | - Marina Hery
- HydroSciences Montpellier, Université de Montpellier, CNRS, IRD, Montpellier, France
| | - Fabrice Martin-Laurent
- Institut Agro Dijon, INRAE, Université de Bourgogne, Université de Bourgogne Franche-Comté, Agroécologie, 21065 Dijon, France
| | - Jean Martins
- IGE, UMR 5001, Université Grenoble Alpes, CNRS, G-INP, INRAE, IRD Grenoble, France
| | | | - Carmen Palacios
- Université de Perpignan Via Domitia, CEFREM, F-66860 Perpignan, France
- CNRS, CEFREM, UMR5110, F-66860 Perpignan, France
| | | | - Agnès Richaume
- Université de Lyon, Université Claude Bernard Lyon 1, CNRS, UMR 5557, Ecologie Microbienne, Villeurbanne, France
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Mengstie YA, Desta WM, Alemayehu E. Assessment of Drinking Water Quality in Urban Water Supply Systems: The Case of Hawassa City, Ethiopia. Int J Anal Chem 2023; 2023:8880601. [PMID: 37608957 PMCID: PMC10442187 DOI: 10.1155/2023/8880601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/24/2023] Open
Abstract
In many developing countries, such as Ethiopia, water quality and the risk of water-related diseases are serious public health issues. The present study goal was to assess the drinking water quality from source to household tap water. To characterize and analyze drinking water quality parameters, 21 water samples were collected, of which 11 water samples were collected from sources (spring, borehole, and river), 4 from service reservoirs, and 6 from tap water. The mean values of the parameters were as follows: total dissolved solids (TDS) (142.79 mg/L), temperature (22.08°C), turbidity (9.49 NTU), electrical conductivity (EC) (250.14°μS/cm), pH (7.45 mg/L), fluoride (1.15 mg/L), nitrate (NO3-) (2.91 mg/L), total hardness (TH) (57.45 mg/L), calcium (41.7 6 mg/l), magnesium (10.74 mg/L), phosphate (0.44 mg/L), sulfate (3.99 mg/L), residual chlorine (1.53 mg/L), alkalinity (196.39 mg/L), and microbiological (total coliform and coliform/CFU) which were the main physiochemical parameters analyzed for the study. The findings revealed that the majority of the water quality parameters tested were within the WHO and National Drinking Water Quality Standards (NDWQS). However, some of the parameters such as temperature, turbidity, fluoride, and residual chlorine did not meet the standards. The mean temperatures at the source, reservoir, and tap water were 22.01°C 22.5°C,and 21.83°C, respectively. Turbidity levels in source samples ranged from 10 to 45 NTU, with a mean of 24.5 NTU, exceeding the WHO's recommendation of less than 5 NTU. The Boko Alamura well had a high fluoride content (3.9 mg/l), which was above the WHO and NDWQS permissible limits. There was no free residual chlorine in the tap water sample. The results show that the Hawassa drinking water supply did not contain total or fecal coliform in any of the samples tested. The overall WQI for the water source, reservoir, and tap water was also determined to be 89, 71, and 69.7 points, respectively. Therefore, based on the WQI result, Hawassa drinking water quality is good for the source, reservoir, and tap water.
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Affiliation(s)
- Yirged Antehun Mengstie
- Institute of Technology Faculty of Biosystem and Water Resource Engineering, Department of Water Supply and Environmental Engineering, Hawassa University, Hawassa, Ethiopia
- Institute of Water and Energy Science (Including Climate Change), Pan African University, Tlemcen, Algeria
| | - Wendesen Mekonin Desta
- Jimma Institute of Technology, Faculty of Civil and Environmental Engineering, Department of Water Supply and Environmental Engineering, Jimma University, Jimma, Ethiopia
| | - Esayas Alemayehu
- Jimma Institute of Technology, Faculty of Civil and Environmental Engineering, Department of Water Supply and Environmental Engineering, Jimma University, Jimma, Ethiopia
- Africa Center of Excellence for Water Management, Addis Ababa University, P.O. Box-1176, Addis Ababa, Ethiopia
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Mahanta K, Bhattacharyya PN, Sharma AK, Rajkhowa D, Lesueur D, Verma H, Parit R, Deka J, Medhi BK, Kohli A. Residue and soil dissipation kinetics of chloroacetanilide herbicides on rice (Oryzae sativa L.) and assessing the impact on soil microbial parameters and enzyme activity. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:910. [PMID: 37392291 DOI: 10.1007/s10661-023-11513-1] [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: 12/16/2022] [Accepted: 06/11/2023] [Indexed: 07/03/2023]
Abstract
The present investigation determines the persistence of herbicides like butachlor and pretilachlor in Indian soil, and their impact on soil biological properties including microbial biomass carbon (MBC), total microbial population numbers, and enzyme activities. Butachlor was degraded faster in autumn rice soil (t1/2 of 10-13 days) than in winter rice soil (half-life of 16-18 days). The t1/2 of pretilachlor in winter rice was 12-16 days. Regardless of the seasons under cultivation, no pesticide residue was detected in rice at harvest. Herbicides induced an initial decline (0-14th days after application) in MBC (averages of 332.7-478.4 g g-1 dry soil in autumn rice and 299.6-444.3 g g-1 dry soil in winter rice), microbial populations (averages of 6.4 cfu g-1 in autumn rice and 4.6 cfu g-1 in winter rice), and phosphatase (averages of 242.6-269.3 μg p-nitrophenol g-1 dry soil h-1 in autumn rice and 188.2-212.2 μg p-nitrophenol g-1 dry soil h-1 in winter rice). The application of herbicides favored dehydrogenase (averages of 123.1-156.7 g TPF g-1 dry soil in autumn and 126.7-151.1 g TPF g-1 dry soil in winter) and urease activities (averages of 279.0-340.4 g NH4 g-1 soil 2 h-1 in autumn and 226.7-296.5 g NH4 g-1 soil 2 h-1 in winter) in rice soil at 0-14th DAA. The study suggests that applications of butachlor and pretilachlor at the rates of 1000 g ha-1 and 750 g ha-1, respectively, to control the weeds in the transplanted rice fields do not have any negative impact on the harvested rice and associated soil environment.
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Affiliation(s)
- Kaberi Mahanta
- Assam Agricultural University, Jorhat 785 013, Assam, India
| | | | | | - Dipjyoti Rajkhowa
- ICAR Research Complex for NEH Region, Nagaland Centre, Nagaland, 797106, India
| | - Didier Lesueur
- Centre de Coopération Internationale en Recherche Agronomique pour le Développent (CIRAD), UMR Eco&Sols, Hanoi, Vietnam
- Eco & Sols, Université de Montpellier (UMR), CIRAD, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement (INRAE), Institut de Recherche pour le Développement (IRD), 34060 Montpellier, Montpellier SupAgro, France
- Alliance of Biodiversity International and International Center for Tropical Agriculture (CIAT), Asia hub, Common Microbial Biotechnology Platform (CMBP), Hanoi, Vietnam
- School of Life and Environmental Sciences, Faculty of Science, Engineering and Built Environment-Deakin University, Melbourne, VIC 3125, Australia
- Chinese Academy of Tropical Agricultural Sciences, Rubber Research Institute, Haikou, China
| | - Harendra Verma
- ICAR Research Complex for NEH Region, Nagaland Centre, Nagaland, 797106, India
| | - Rajat Parit
- Assam Agricultural University, Jorhat 785 013, Assam, India
| | - Jayanta Deka
- Assam Agricultural University, Jorhat 785 013, Assam, India
| | | | - Anshuman Kohli
- Bihar Agriculture University, Sabour 813210, Bihar, India
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Zhou X, Zhang W, Shao S, Zhang S, Cheng X, Ye Q. Fate characteristics of the chiral pesticide dufulin in flooded anaerobic soils and its interaction with soil microorganisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 878:162983. [PMID: 36958557 DOI: 10.1016/j.scitotenv.2023.162983] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 05/13/2023]
Abstract
Dufulin (DFL), a plant antiviral agent synthesized in China, has been widely used to control viral diseases in rice, tobacco, tomato, and other crops. However, its fate in flooded anaerobic soils, which is essential for environmental risk assessment, remains unknown. Using the 14C tracer technique, the fate of 14C-labeled DFL isomers in flooded anaerobic soils was systematically investigated in this study. Over the 100-day incubation, a small part of 14C-DFL enantiomer was mineralized to 14CO2 (< 10.44 %) or entered the surface water phase (< 6.69 %), with most of the 14C (> 80.40 %) remaining in the subsoil. The residues in all tested soils were gradually converted from extractable residues (ERs) to nonextractable residues (NERs). At the end of incubation, the fraction of 14C-NERs reached 5.38-23.77 %. The half-life (t1/2) of the DFL parent in soil is relatively long under submerged anaerobic conditions, especially in Fluvo-aquic soil, up to 277.26-315.07 days, which exceeds the risk threshold recommended by the Stockholm Convention (< 180 days). Soil type and microbial activity influenced the fate of DFL in flooded soils and microbial analysis showed that 2.0 mg kg-1 DFL had no obvious impact on soil bacterial richness and function. Pseudomonas spp. was estimated to be a potentially efficient degrading genus for DFL. No enantioselective behaviors were detected in this study. This research provides a theoretical basis for evaluating the environmental impact and ecological safety of DFL application.
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Affiliation(s)
- Xin Zhou
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Weiwei Zhang
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Siyao Shao
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Sufen Zhang
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Xi Cheng
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
| | - Qingfu Ye
- Institute of Nuclear Agricultural Sciences, Key Laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of the PRC and Zhejiang Province, Zhejiang University, Hangzhou 310058, China.
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Kim H, Lee Y, Hwang YJ, Lee MH, Balaraju K, Jeon Y. Identification and characterization of Brevibacillus halotolerans B-4359: a potential antagonistic bacterium against red pepper anthracnose in Korea. Front Microbiol 2023; 14:1200023. [PMID: 37405162 PMCID: PMC10315534 DOI: 10.3389/fmicb.2023.1200023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 05/31/2023] [Indexed: 07/06/2023] Open
Abstract
Our study aimed to identify potential biocontrol agents (BCAs) against major phytopathogens under in vitro conditions by screening the Freshwater Bioresources Culture Collection (FBCC), Korea. Of the identified 856 strains, only 65 exhibited antagonistic activity, among which only one representative isolation, Brevibacillus halotolerans B-4359 was selected based on its in vitro antagonistic activity and enzyme production. Cell-free culture filtrate (CF) and volatile organic compounds (VOCs) of B-4359 were shown to be effective against the mycelial growth of Colletotrichum acutatum. Notably, B-4359 was found to promote spore germination in C. acutatum instead of exhibiting a suppressive effect when the bacterial suspension was mixed with the spore suspension of C. acutatum. However, B-4359 showed an excellent biological control effect on the anthracnose of red pepper fruits. Compared to other treatments and untreated control, B-4359 played a more effective role in controlling anthracnose disease under field conditions. The strain was identified as B. halotolerans using BIOLOG and 16S rDNA sequencing analyses. The genetic mechanism underlying the biocontrol traits of B-4359 was characterized using the whole-genome sequence of B-4359, which was closely compared with related strains. The whole-genome sequence of B-4359 consisted of 5,761,776 bp with a GC content of 41.0%, including 5,118 coding sequences, 117 tRNA, and 36 rRNA genes. The genomic analysis identified 23 putative secondary metabolite biosynthetic gene clusters. Our results provide a deep understanding of B-4359 as an effective biocontrol agent against red pepper anthracnose for sustainable agriculture.
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Affiliation(s)
- Heejin Kim
- Department of Plant Medicals, Andong National University, Andong, Republic of Korea
| | - Younmi Lee
- Department of Plant Medicals, Andong National University, Andong, Republic of Korea
| | - Ye-Ji Hwang
- Microbiology Research Department, Nakdonggang National Institute of Biological Resources, Sangju, Republic of Korea
| | - Mi-Hwa Lee
- Microbiology Research Department, Nakdonggang National Institute of Biological Resources, Sangju, Republic of Korea
| | - Kotnala Balaraju
- Agricultural Science and Technology Research Institute, Andong National University, Andong, Republic of Korea
| | - Yongho Jeon
- Department of Plant Medicals, Andong National University, Andong, Republic of Korea
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Altabbaa S, Mann NA, Chauhan N, Utkarsh K, Thakur N, Mahmoud GAE. Era connecting nanotechnology with agricultural sustainability: issues and challenges. NANOTECHNOLOGY FOR ENVIRONMENTAL ENGINEERING 2023; 8:481-498. [DOI: 10.1007/s41204-022-00289-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 08/27/2022] [Indexed: 09/02/2023]
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Malla MA, Dubey A, Kori RK, Sharma V, Kumar A, Yadav S, Kumari S. GC-MS based untargeted metabolomics reveals the metabolic response of earthworm (Eudrilus eugeniae) after chronic combinatorial exposure to three different pesticides. Sci Rep 2023; 13:8583. [PMID: 37237073 DOI: 10.1038/s41598-023-35225-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
In this study GC-MS-based untargeted metabolomics was used to identify the metabolic response of earthworm; Eudrilus eugeniae exposed to sub-lethal concentrations of chlorpyrifos-CHL, cypermethrin-CYP, Glyphosate-GLY, and Combined-C (all three pesticides) at the concentrations of 3, 6, and 12 mg/kg. Principal component analysis of the obtained datasets revealed a clear distinction between the control and treatment groups. The mean weight of the worms in the treated groups decreased significantly (p < 0.05). Among the identified metabolites, oleic acid (~ 93.47%), lysine (~ 92.20%), glutamic acid (~ 91.81%), leucine (~ 90.20%), asparagine (~ 94.20%), methionine (~ 92.27%), malic acid (~ 93.37%), turanose (~ 95.04%), maltose (~ 92.36%), cholesta-3,5-diene (~ 86.11%), galactose (~ 93.20%), cholesterol (~ 91.56%), tocopherol (~ 85.09%), decreased significantly (p < 0.05), whereas myoinositol (~ 83%) and isoleucine (78.09%) increased significantly (p < 0.05) upon exposure to the CHL, CYP, GLY, and C. Overall, the findings suggest that earthworms might be a new entry point for the pesticides into the food chain. The present study highlights that metabolomics can be a reliable approach to understand the effect of different xenobiotics including pesticides on the metabolic response of earthworms.
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Affiliation(s)
- Muneer Ahmad Malla
- Department of Zoology, Dr. Harisingh Gour University (A Central University), Sagar, MP, 470003, India
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar, MP, 470003, India
| | - Anamika Dubey
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar, MP, 470003, India
| | - Rajeesh Kumar Kori
- IRMS, National Dope Testing Laboratory, Ministry of Youth and Sports, GOI, New Delhi, India
| | - Vandana Sharma
- Quality Control & Quality Assurance Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180 001, India
| | - Ashwani Kumar
- Metagenomics and Secretomics Research Laboratory, Department of Botany, Dr. Harisingh Gour University (A Central University), Sagar, MP, 470003, India.
- Metagenomics and Secretomics Research Laboratory, Department of Botany, University of Allahabad (A Central University), Prayagraj, UP, 211002, India.
| | - Shweta Yadav
- Department of Zoology, Dr. Harisingh Gour University (A Central University), Sagar, MP, 470003, India
| | - Sheena Kumari
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, 4001, South Africa
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Oliva G, Vigliotta G, Terzaghi M, Guarino F, Cicatelli A, Montagnoli A, Castiglione S. Counteracting action of Bacillus stratosphericus and Staphylococcus succinus strains against deleterious salt effects on Zea mays L. Front Microbiol 2023; 14:1171980. [PMID: 37303788 PMCID: PMC10248413 DOI: 10.3389/fmicb.2023.1171980] [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: 02/22/2023] [Accepted: 05/02/2023] [Indexed: 06/13/2023] Open
Abstract
The salinization of soil is the process of progressive accumulation of salts such as sulfates, sodium, or chlorides into the soil. The increased level of salt has significant effects on glycophyte plants, such as rice, maize, and wheat, which are staple foods for the world's population. Consequently, it is important to develop biotechnologies that improve crops and clean up the soil. Among other remediation methods, there is an environmentally friendly approach to ameliorate the cultivation of glycophyte plants in saline soil, namely, the use of microorganisms tolerant to salt with growth-promoting features. Plant growth-promoting rhizobacteria (PGPR) can improve plant growth by colonizing their roots and playing a vital role in helping plants to establish and grow in nutrient-deficient conditions. Our research aimed to test in vivo halotolerant PGPR, isolated and characterized in vitro in a previous study conducted in our laboratory, inoculating them on maize seedlings to improve their growth in the presence of sodium chloride. The bacterial inoculation was performed using the seed-coating method, and the produced effects were evaluated by morphometric analysis, quantization of ion contents (sodium, potassium), produced biomass, both for epigeal (shoot) and hypogeal (root) organs, and by measuring salt-induced oxidative damage. The results showed an increase in biomass and sodium tolerance and even a reduction of oxidative stress in seedlings pretreated with a PGPR bacterial consortium (Staphylococcus succinus + Bacillus stratosphericus) over the control. Moreover, we observed that salt reduces growth and alters root system traits of maize seedlings, while bacterial treatment improves plant growth and partially restores the root architecture system in saline stress conditions. Therefore, the PGPR seed-coating or seedling treatment could be an effective strategy to enhance sustainable agriculture in saline soils due to the protection of the plants from their inhibitory effect.
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Affiliation(s)
- Gianmaria Oliva
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, Fisciano, SA, Italy
| | - Giovanni Vigliotta
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, Fisciano, SA, Italy
| | - Mattia Terzaghi
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, Fisciano, SA, Italy
- Department of Biosciences, Biotechnologies and Environment, University of Bari “Aldo Moro”, Bari, BA, Italy
| | - Francesco Guarino
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, Fisciano, SA, Italy
| | - Angela Cicatelli
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, Fisciano, SA, Italy
| | - Antonio Montagnoli
- Department of Biotechnologies and Life Sciences (DBSV), University of Insubria, Varese, Italy
| | - Stefano Castiglione
- Department of Chemistry and Biology “A. Zambelli”, University of Salerno, Fisciano, SA, Italy
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Karczyński P, Orłowska A, Kępczyńska E. Two Medicago truncatula growth-promoting rhizobacteria capable of limiting in vitro growth of the Fusarium soil-borne pathogens modulate defense genes expression. PLANTA 2023; 257:118. [PMID: 37173556 PMCID: PMC10181981 DOI: 10.1007/s00425-023-04145-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
MAIN CONCLUSION PGPRs: P. fluorescens Ms9N and S. maltophilia Ll4 inhibit in vitro growth of three legume fungal pathogens from the genus Fusarium. One or both trigger up-regulation of some genes (CHIT, GLU, PAL, MYB, WRKY) in M. truncatula roots and leaves in response to soil inoculation. Pseudomonas fluorescens (referred to as Ms9N; GenBank accession No. MF618323, not showing chitinase activity) and Stenotrophomonas maltophilia (Ll4; GenBank accession No. MF624721, showing chitinase activity), previously identified as promoting growth rhizobacteria of Medicago truncatula, were found, during an in vitro experiment, to exert an inhibitory effect on three soil-borne fungi: Fusarium culmorum Cul-3, F. oxysporum 857 and F. oxysporum f. sp. medicaginis strain CBS 179.29, responsible for serious diseases of most legumes including M. truncatula. S. maltophilia was more active than P. fluorescens in suppressing the mycelium growth of two out of three Fusarium strains. Both bacteria showed β-1,3-glucanase activity which was about 5 times higher in P. fluorescens than in S. maltophilia. Upon soil treatment with a bacterial suspension, both bacteria, but particularly S. maltophilia, brought about up-regulation of plant genes encoding chitinases (MtCHITII, MtCHITIV, MtCHITV), glucanases (MtGLU) and phenylalanine ammonia lyases (MtPAL2, MtPAL4, MtPAL5). Moreover, the bacteria up-regulate some genes from the MYB (MtMYB74, MtMYB102) and WRKY (MtWRKY6, MtWRKY29, MtWRKY53, MtWRKY70) families which encode TFs in M. truncatula roots and leaves playing multiple roles in plants, including a defense response. The effect depended on the bacterium species and the plant organ. This study provides novel information about effects of two M. truncatula growth-promoting rhizobacteria strains and suggests that both have a potential to be candidates for PGPR inoculant products on account of their ability to inhibit in vitro growth of Fusarium directly and indirectly by up-regulation of some defense priming markers such as CHIT, GLU and PAL genes in plants. This is also the first study of the expression of some MYB and WRKY genes in roots and leaves of M. truncatula upon soil treatment with two PGPR suspensions.
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Affiliation(s)
- Piotr Karczyński
- Institute of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland
| | - Anna Orłowska
- Institute of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland
| | - Ewa Kępczyńska
- Institute of Biology, University of Szczecin, Wąska 13, 71-415, Szczecin, Poland.
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40
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Singh P, Singh M, Singh SK, Prasad SM. Application of soil amendments mitigates phytotoxic effects on Solanum melongena L. and Lycopersicon esculentum L. seedlings exposed to chlorpyrifos and dimethoate pesticides. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:59891-59908. [PMID: 37016262 DOI: 10.1007/s11356-023-26696-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 03/24/2023] [Indexed: 05/10/2023]
Abstract
This field study was done to study the effects of pesticides chlorpyrifos and dimethoate singly and in combination with soil amendments like chemical fertilizer (CF), farmyard manure (FM), and 50% CF + 50% FM (CM) on various indices of growth, physio-biochemical parameters of brinjal, and their residual effect in tomato seedlings. As compared to the control, the decrease of 9.5 and 5.5%, 8.9 and 5.0% in fresh weight, dry weight respectively was recorded in the pesticide-only treatment in the brinjal crop. Pesticides when applied in combination with soil amendments depicted the highest growth of 105.4 and 118.2%, 104.1 and 115.1% in pesticides + CF treatment, 72.7 and 85.1%, 68.1 and 78.1% in pesticides + CM treatment, and 64.4 and 74.0%, 62.7 and 65.7% in pesticides + FM treatment compared to control. In tomato seedlings, the pesticides + CF treatment exhibited the lowest growth indices (25.5 and 31.9%, 26.4 and 28.8%) across the combined treatments while pesticide-only treatment depicted minimum growth compared to the control. In the case of photosynthesis rate and antioxidant activity, the combined treatments showed the trend as pesticides + CF > pesticides + CM > pesticides + FM in the brinjal crop; however, the trend became somewhat reversed in the tomato crop. The results indicated that soil-amended practices modulated pesticide-induced damage by upregulating photosynthetic performance, chlorophyll a fluorescence, and antioxidant balancing which might be associated with the mitigation of ROS-induced pesticide toxicity, and the effect was more pronounced with CM. Furthermore, our study was supported by non-metric-multidimensional scaling (NMDS)-constructed ordination plots by showing spatial patterns in different variables. The study might help in taking management decision to design mitigation actions for government and non-government agency at the farmers' level.
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Affiliation(s)
- Pratibha Singh
- Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, Prayagraj, 211001, India
| | - Madhulika Singh
- Department of Botany, Banaras Hindu University, Varanasi, 221005, India
| | | | - Sheo Mohan Prasad
- Ranjan Plant Physiology and Biochemistry Laboratory, Department of Botany, University of Allahabad, Prayagraj, 211001, India.
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Mubeen I, Fawzi Bani Mfarrej M, Razaq Z, Iqbal S, Naqvi SAH, Hakim F, Mosa WFA, Moustafa M, Fang Y, Li B. Nanopesticides in comparison with agrochemicals: Outlook and future prospects for sustainable agriculture. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 198:107670. [PMID: 37018866 DOI: 10.1016/j.plaphy.2023.107670] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/30/2023] [Accepted: 03/27/2023] [Indexed: 05/07/2023]
Abstract
Agrochemicals are products of advanced technologies that use inorganic pesticides and fertilizers. Widespread use of these compounds has adverse environmental effects, leading to acute and chronic exposure. Globally, scientists are adopting numerous green technologies to ensure a healthy and safe food supply and a livelihood for everyone. Nanotechnologies significantly impact all aspects of human activity, including agriculture, even if synthesizing certain nanomaterials is not environmentally friendly. Numerous nanomaterials may therefore make it easier to create natural insecticides, which are more effective and environmentally friendly. Nanoformulations can improve efficacy, reduce effective doses, and extend shelf life, while controlled-release products can improve the delivery of pesticides. Nanotechnology platforms enhance the bioavailability of conventional pesticides by changing kinetics, mechanisms, and pathways. This allows them to bypass biological and other undesirable resistance mechanisms, increasing their efficacy. The development of nanomaterials is expected to lead to a new generation of pesticides that are more effective and safer for life, humans, and the environment. This article aims to express at how nanopesticides are being used in crop protection now and in the future. This review aims to shed some light on the various impacts of agrochemicals, their benefits, and the function of nanopesticide formulations in agriculture.
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Affiliation(s)
- Iqra Mubeen
- State Key Laboratory of Rice Biology, and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China.
| | - Manar Fawzi Bani Mfarrej
- Department of Life and Environmental Sciences, College of Natural and Health Sciences, Zayed University, Abu Dhabi, 144534, United Arab Emirates.
| | - Zarafshan Razaq
- Department of Plant Pathology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Main Campus Bosan Road, Multan, 60800, Pakistan.
| | - Shehzad Iqbal
- Laboratorio de Patología Frutal, Departamento de Producción Agrícola, Facultad de Ciencias Agrarias, Universidad de Talca, Talca, 3460000, Maule, Chile.
| | - Syed Atif Hasan Naqvi
- Department of Plant Pathology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Main Campus Bosan Road, Multan, 60800, Pakistan.
| | - Fahad Hakim
- Department of Plant Pathology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Main Campus Bosan Road, Multan, 60800, Pakistan.
| | - Walid F A Mosa
- Plant Production Department (Horticulture- Pomology), Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, 21531, Egypt.
| | - Mahmoud Moustafa
- Department of Biology, Faculty of Science, King Khalid University, Abha, Saudi Arabia; Department of Botany and Microbiology, Faculty of Science, South Valley University, Qena, Egypt.
| | - Yuan Fang
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004, China.
| | - Bin Li
- State Key Laboratory of Rice Biology, and Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou, 310058, China.
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Knorr D. Organic agriculture and foods: advancing process-product integrations. Crit Rev Food Sci Nutr 2023:1-13. [PMID: 37114887 DOI: 10.1080/10408398.2023.2200829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
With a doubling of the human population during the last 45 years and Earth's annual resources being already depleted mid-year, it becomes increasingly clear that the food systems need to change. The most common food related needs required are drastic changes of the current food production systems, diet change and food loss/waste reduction. As for agriculture no further land expansion is responsible and more food needs to be grown sustainably on less land and on healthy soils. For food processing, gentle, regenerative technologies have to generate healthy foods based on consumer requirements. Organic (ecological) food production is increasing worldwide but the interface between production and processing of organic foods is still hazy. This paper reviews the history and current state of organic agriculture and organic foods. Existing norms for organic food processing and urgent needs for their gentle, consumer-oriented processing are presented. Key issues such as production systems integration, water efficiency, plant and soil microbiota, biodiversity and supplementary food production systems are discussed. Processing of organic foods using fermentation, microbial/food biotechnological processes and sustainable technologies for retaining desirable nutrients and removing undesirable ones are proposed. Environment and consumer-oriented concepts for future production and processing of human food supplies are proposed.
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Affiliation(s)
- Dietrich Knorr
- Food Biotechnology & Food Process Engineering, Technische Universität Berlin, Berlin, Germany
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Baldassarre F, Schiavi D, Ciarroni S, Tagliavento V, De Stradis A, Vergaro V, Suranna GP, Balestra GM, Ciccarella G. Thymol-Nanoparticles as Effective Biocides against the Quarantine Pathogen Xylella fastidiosa. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:1285. [PMID: 37049378 PMCID: PMC10096886 DOI: 10.3390/nano13071285] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/03/2023] [Accepted: 04/05/2023] [Indexed: 06/19/2023]
Abstract
Quarantine pathogens require the investigation of new tools for effective plant protection. In particular, research on sustainable agrochemicals is the actual challenge. Plant extracts, essential oils, and gels are natural sources of efficient biocides, such as aromatic secondary metabolites. Thymol is the major phenolic constituent of thyme and oregano essential oils, and it can inhibit many pathogenic microbes. Thymol nanoparticles were obtained through adsorption on CaCO3 nanocrystals, exploiting their carrier action. High loading efficiency and capability were reached as verified through UV and TGA measurements. We report the first study of thymol effect on Xylella fastidiosa, conducing both fluorometric assay and in vitro inhibition assay. The first test confirmed the great antibacterial effect of this compound. Finally, an in vitro test revealed an interesting synergistic action of thymol and nanocarriers, suggesting the potential application of thymol-nanoparticles as effective biocides to control Xylella fastidiosa infection.
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Affiliation(s)
- Francesca Baldassarre
- Department of Biological and Environmental Sciences, UdR INSTM of Lecce University of Salento, Via Monteroni, 73100 Lecce, Italy
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale Delle Ricerche, Via Monteroni, 73100 Lecce, Italy
| | - Daniele Schiavi
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via S. Camillo de Lellis, Snc, 01100 Viterbo, Italy
| | - Serena Ciarroni
- Phytoparasites Diagnostics (PhyDia) s.r.l., Via S. Camillo de Lellis, Snc, 01100 Viterbo, Italy
| | - Vincenzo Tagliavento
- Phytoparasites Diagnostics (PhyDia) s.r.l., Via S. Camillo de Lellis, Snc, 01100 Viterbo, Italy
| | - Angelo De Stradis
- Institute for Sustainable Plant Protection, CNR—IPSP, Consiglio Nazionale delle Ricerche, Via Amendola 165/A, 70126 Bari, Italy
| | - Viviana Vergaro
- Department of Biological and Environmental Sciences, UdR INSTM of Lecce University of Salento, Via Monteroni, 73100 Lecce, Italy
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale Delle Ricerche, Via Monteroni, 73100 Lecce, Italy
| | - Gian Paolo Suranna
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale Delle Ricerche, Via Monteroni, 73100 Lecce, Italy
- Department of Civil, Environmental, Land, Building Engineering and Chemistry (DICATECh), Politecnico di Bari, Via Orabona 4, 70125 Bari, Italy
| | - Giorgio Mariano Balestra
- Department of Agriculture and Forest Sciences (DAFNE), University of Tuscia, Via S. Camillo de Lellis, Snc, 01100 Viterbo, Italy
- Phytoparasites Diagnostics (PhyDia) s.r.l., Via S. Camillo de Lellis, Snc, 01100 Viterbo, Italy
| | - Giuseppe Ciccarella
- Department of Biological and Environmental Sciences, UdR INSTM of Lecce University of Salento, Via Monteroni, 73100 Lecce, Italy
- Institute of Nanotechnology, CNR NANOTEC, Consiglio Nazionale Delle Ricerche, Via Monteroni, 73100 Lecce, Italy
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Chandra P, Khippal AK, Prajapat K, Barman A, Singh G, Rai AK, Ahlawat OP, Verma RPS, Kumari K, Singh G. Influence of tillage and residue management practices on productivity, sustainability, and soil biological properties of rice-barley cropping systems in indo-gangetic plain of India. Front Microbiol 2023; 14:1130397. [PMID: 37007504 PMCID: PMC10060812 DOI: 10.3389/fmicb.2023.1130397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/20/2023] [Indexed: 03/18/2023] Open
Abstract
IntroductionConservation agriculture is a sustainable system of farming that safeguard and conserves natural resources besides enhancing crop production. The biological properties of soil are the most sensitive indicator to assess the short term impact of management practices such as tillage and residue incorporation.MethodsNine treatments of tillage and residue management practices [Reduced till direct seeded rice-zero till barley (RTDSR–ZTB); RTDSR–ZTB–green gram residue (Gg); Zero till direct seeded rice–zero till barley–zero till green gram (ZTDSR–ZTB–ZTGg); RTDSR–ZTB + rice residue at 4 t ha 1 (RTDSR–ZTBRR4); RTDSR–ZTBRR6; un-puddled transplanted rice (UPTR)–ZTB–Gg; UPTR–ZTBRR4; UPTR–ZTBRR6, and puddled transplanted rice (PTR)–RTB] executed under fixed plot for five years on crop productivity and soil biological properties under rice-barley production system.ResultsThe shifting in either RTDSR or ZTDSR resulted in yield penalty in rice compared to PTR. The PTR recorded highest pooled grain yield of 3.61 ha−1. The rice grain yield reduced about 10.6% under DSR as compared to PTR. The ZTB along with residue treatments exhibited significantly higher grain yield over ZTB, and the RTDSR-ZTBRR6 registered highest pooled grain yield of barley. The system productivity (12.45 t ha−1) and sustainable yield index (0.87) were highest under UPTR-ZTBRR6. Biological parameters including microbial biomass carbon, soil respiration, microbial enzymes (Alkaline phosphatase, nitrate reductase and peroxidase), fluorescein diacetate hydrolysis, ergosterol, glomalin related soil proteins, microbial population (bacteria, fungi and actinobacteria) were found to be significantly (p < 0.05) effected by different nutrient management practices. Based on the PCA analysis, Fluorescein diacetate hydrolysis, microbial biomass carbon, soil respiration, nitrate reductase and fungi population were the important soil biological parameters indicating soil quality and productivity in present experiment. The results concluded that UPTR-ZTBRR6 was a more suitable practice for maintaining system productivity and soil biological health.DiscussionThe understanding of the impact of different tillage and residue management practices on productivity, soil biological properties and soil quality index under rice-barley cropping system will help in determining the combination of best conservation agriculture practices for improved soil quality and sustainable production.
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Affiliation(s)
- Priyanka Chandra
- Department of Soil and Crop Management, ICAR-Central Soil Salinity Research Institute, Karnal, India
| | - Anil Kumar Khippal
- Barley Network, ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
- *Correspondence: Anil Kumar Khippal
| | - Kailash Prajapat
- Department of Social Science Research, ICAR-Central Soil Salinity Research Institute, Karnal, India
- Kailash Prajapat
| | - Arijit Barman
- Department of Soil and Crop Management, ICAR-Central Soil Salinity Research Institute, Karnal, India
| | - Geeta Singh
- Department of Agricultural Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Arvind Kumar Rai
- Department of Soil and Crop Management, ICAR-Central Soil Salinity Research Institute, Karnal, India
| | - Om Parkash Ahlawat
- Department of Crop Improvement, ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - R. P. S. Verma
- Barley Network, ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
| | - Kamini Kumari
- Department of Soil Science and Agricultural Chemistry, Lovely Professional University, Phagwara, India
| | - Gyanendra Singh
- ICAR-Indian Institute of Wheat and Barley Research, Karnal, India
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Saberi Riseh R, Vatankhah M, Hassanisaadi M, Kennedy JF. Chitosan/silica: A hybrid formulation to mitigate phytopathogens. Int J Biol Macromol 2023; 239:124192. [PMID: 36996949 DOI: 10.1016/j.ijbiomac.2023.124192] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/07/2023] [Accepted: 03/23/2023] [Indexed: 03/31/2023]
Abstract
Long-term and indiscriminate use of synthetic pesticides to mitigate plant pathogens have created serious issues of water health, soil contamination, non-target organisms, resistant species, and unpredictable environmental and human health hazards. These constraints have forced scientists to develop alternative plant disease management strategies to reduce synthetic chemical' dependency. During the last 20 years, biological agents and resistance elicitors have been the most important used alternatives. Silica-based materials/chitosan with a dual mode of action have been proposed as promising alternatives to prevent plant diseases through direct and indirect mechanisms. Moreover, the combined application of nano-silica and chitosan, due to their controllable morphology, high loading capacity, low toxicity, and efficient encapsulation, act as suitable carriers for biological agents, pesticides, and essential oils, making them proper candidates for mitigation of phytopathogens. Based on this potential, this literature study reviewed the silica and chitosan properties and their function in the plant. It also assessed their role in the fighting against soil and aerial phytopathogens, directly and indirectly, as novel hybrid formulations in future managing platforms.
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Affiliation(s)
- Roohallah Saberi Riseh
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Imam Khomeini Square, Rafsanjan 771897111, Iran.
| | - Masoumeh Vatankhah
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Imam Khomeini Square, Rafsanjan 771897111, Iran
| | - Mohadeseh Hassanisaadi
- Department of Plant Protection, Faculty of Agriculture, Vali-e-Asr University of Rafsanjan, Imam Khomeini Square, Rafsanjan 771897111, Iran
| | - John F Kennedy
- Chembiotech Laboratories Ltd, WR15 8FF Tenbury Wells, United Kingdom.
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Shelar A, Nile SH, Singh AV, Rothenstein D, Bill J, Xiao J, Chaskar M, Kai G, Patil R. Recent Advances in Nano-Enabled Seed Treatment Strategies for Sustainable Agriculture: Challenges, Risk Assessment, and Future Perspectives. NANO-MICRO LETTERS 2023; 15:54. [PMID: 36795339 PMCID: PMC9935810 DOI: 10.1007/s40820-023-01025-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/20/2023] [Indexed: 05/14/2023]
Abstract
Agro seeds are vulnerable to environmental stressors, adversely affecting seed vigor, crop growth, and crop productivity. Different agrochemical-based seed treatments enhance seed germination, but they can also cause damage to the environment; therefore, sustainable technologies such as nano-based agrochemicals are urgently needed. Nanoagrochemicals can reduce the dose-dependent toxicity of seed treatment, thereby improving seed viability and ensuring the controlled release of nanoagrochemical active ingredients However, the applications of nanoagrochemicals to plants in the field raise concerns about nanomaterial safety, exposure levels, and toxicological implications to the environment and human health. In the present comprehensive review, the development, scope, challenges, and risk assessments of nanoagrochemicals on seed treatment are discussed. Moreover, the implementation obstacles for nanoagrochemicals use in seed treatments, their commercialization potential, and the need for policy regulations to assess possible risks are also discussed. Based on our knowledge, this is the first time that we have presented legendary literature to readers in order to help them gain a deeper understanding of upcoming nanotechnologies that may enable the development of future generation seed treatment agrochemical formulations, their scope, and potential risks associated with seed treatment.
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Affiliation(s)
- Amruta Shelar
- Department of Technology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India
| | - Shivraj Hariram Nile
- Zhejiang Provincial International S&T Cooperation Base for Active Ingredients of Medicinal and Edible Plants and Health, School of Pharmaceutical Science, Jinhua Academy, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, People's Republic of China.
| | - Ajay Vikram Singh
- Department of Chemical and Product Safety, German Federal Institute for Risk Assessment (BfR), Max-Dohrn-Strasse, 10589, Berlin, Germany
| | - Dirk Rothenstein
- Institute for Materials Science, University of Stuttgart, 70569, Stuttgart, Germany
| | - Joachim Bill
- Institute for Materials Science, University of Stuttgart, 70569, Stuttgart, Germany
| | - Jianbo Xiao
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, 212013, People's Republic of China
| | - Manohar Chaskar
- Faculty of Science and Technology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India.
| | - Guoyin Kai
- Zhejiang Provincial International S&T Cooperation Base for Active Ingredients of Medicinal and Edible Plants and Health, School of Pharmaceutical Science, Jinhua Academy, Zhejiang Chinese Medical University, Hangzhou, 310053, Zhejiang, People's Republic of China.
| | - Rajendra Patil
- Department of Technology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India.
- Department of Biotechnology, Savitribai Phule Pune University, Pune, Maharashtra, 411007, India.
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Bionanotechnology in Agriculture: A One Health Approach. Life (Basel) 2023; 13:life13020509. [PMID: 36836866 PMCID: PMC9964896 DOI: 10.3390/life13020509] [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: 01/04/2023] [Revised: 01/31/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023] Open
Abstract
Healthy eating habits are one of the requirements for the health of society. In particular, in natura foods are increasingly encouraged, since they have a high concentration of nutrients. However, these foods are often grown in the presence of agrochemicals, such as fertilizers and pesticides. To increase crop productivity and achieve high vigor standards in less time, farmers make excessive use of agrochemicals that generate various economic, environmental, and clinical problems. In this way, bionanotechnology appears as an ally in developing technologies to improve planting conditions, ranging from the health of farmers and consumers to the production of new foods and functional foods. All these improvements are based on the better use of land use in synergy with the lowest generation of environmental impacts and the health of living beings, with a view to the study and production of technologies that take into account the concept of One Health in its processes and products. In this review article, we will address how caring for agriculture can directly influence the quality of the most desired foods in contemporary society, and how new alternatives based on nanotechnology can point to efficient and safe solutions for living beings on our planet.
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Kumar S, Sharma SK, Dhaka AK, Bedwal S, Sheoran S, Meena RS, Jangir CK, Kumar D, Kumar R, Jat RD, Meena AK, Gaber A, Hossain A. Efficient nutrient management for enhancing crop productivity, quality and nutrient dynamics in lentil (Lens culinaris Medik.) in the semi-arid region of northern India. PLoS One 2023; 18:e0280636. [PMID: 36763612 PMCID: PMC9916625 DOI: 10.1371/journal.pone.0280636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 01/05/2023] [Indexed: 02/11/2023] Open
Abstract
Various faulty farming practices and low-performance cultivars selection are reducing crop yields, factor productivity, and soil fertility. Therefore, there is an urgent need to achieve better nutrient dynamics and sustainable production by selecting more nutrient-responsive cultivars using efficient nutrient management. The present experiment aimed to enhance crop productivity, seed quality, nutrient efficiency, and soil nutrient dynamics through efficient nutrient management under different lentil cultivars. The experiment was laid out in a split-plot design, assigning three cultivars (viz. Sapna, Garima, and HM-1) in the main plots and ten nutrient management practices in the sub-plots, replicating them thrice. Results revealed that cultivar HM-1 recorded significantly higher seed yield (1.59-1.61 Mg ha-1) and the uptake of N (67.2-67.6 kg ha-1), P (6.8-7.0 kg ha-1), K (13.8-13.9 kg ha-1), Zn (60.4-61.1 g ha-1), and Fe (162.5-165.2 g ha-1) in seed compared to Sapna and Garima. Also, the cultivar HM-1 was more efficient in terms of partial factor productivity for NPK (PFP; 24.27-24.59 kg kg-1), partial nutrient balance (PNB; 2.09-2.13 kg kg-1) and internal utilisation efficiency (IUE; 11.64-11.85 kg kg-1). The study showed that the lentil cultivar HM-1 could be successfully grown by substituting 50% RDN with organic manures, i.e., vermicompost, without compromising crop productivity and soil fertility, thereby sustaining soil-human-environment health.
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Affiliation(s)
- Sandeep Kumar
- ICAR-Indian Agricultural Research Institute, Regional Station, Karnal, India
- Department of Agronomy, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
- * E-mail: (SK); (AH)
| | - Surender Kumar Sharma
- Department of Agronomy, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Anil Kumar Dhaka
- Department of Agronomy, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Sandeep Bedwal
- Department of Soil Science, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Seema Sheoran
- ICAR-Indian Agricultural Research Institute, Regional Station, Karnal, India
| | - Ram Swaroop Meena
- Department of Agronomy, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, India
| | | | - Dinesh Kumar
- ICAR-India Institute of Soil and Water Conservation, Research Centre, Datia, Madhya Pradesh, India
| | - Rakesh Kumar
- Department of Microbiology, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Ram Dhan Jat
- Department of Agronomy, Chaudhary Charan Singh Haryana Agricultural University, Hisar, India
| | - Ajit Kumar Meena
- Department of Soil Science and Agricultural Chemistry, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan, India
| | - Ahmed Gaber
- Department of Biology, College of Science, Taif University, Taif, Saudi Arabia
| | - Akbar Hossain
- Division of Soil Science, Bangladesh Wheat and Maize Research Institute, Dinajpur, Bangladesh
- * E-mail: (SK); (AH)
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Insights into the genome of Methylobacterium sp. NMS14P, a novel bacterium for growth promotion of maize, chili, and sugarcane. PLoS One 2023; 18:e0281505. [PMID: 36749783 PMCID: PMC9904496 DOI: 10.1371/journal.pone.0281505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 01/24/2023] [Indexed: 02/08/2023] Open
Abstract
A novel methylotrophic bacterium designated as NMS14P was isolated from the root of an organic coffee plant (Coffea arabica) in Thailand. The 16S rRNA sequence analysis revealed that this new isolate belongs to the genus Methylobacterium, and its novelty was clarified by genomic and comparative genomic analyses, in which NMS14P exhibited low levels of relatedness with other Methylobacterium-type strains. NMS14P genome consists of a 6,268,579 bp chromosome, accompanied by a 542,519 bp megaplasmid and a 66,590 bp plasmid, namely pNMS14P1 and pNMS14P2, respectively. Several genes conferring plant growth promotion are aggregated on both chromosome and plasmids, including phosphate solubilization, indole-3-acetic acid (IAA) biosynthesis, cytokinins (CKs) production, 1-aminocyclopropane-1-carboxylate (ACC) deaminase activity, sulfur-oxidizing activity, trehalose synthesis, and urea metabolism. Furthermore, pangenome analysis showed that NMS14P possessed the highest number of strain-specific genes accounting for 1408 genes, particularly those that are essential for colonization and survival in a wide array of host environments, such as ABC transporter, chemotaxis, quorum sensing, biofilm formation, and biosynthesis of secondary metabolites. In vivo tests have supported that NMS14P significantly promoted the growth and development of maize, chili, and sugarcane. Collectively, NMS14P is proposed as a novel plant growth-promoting Methylobacterium that could potentially be applied to a broad range of host plants as Methylobacterium-based biofertilizers to reduce and ultimately substitute the use of synthetic agrochemicals for sustainable agriculture.
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Mishra A, Singh L, Singh D. Unboxing the black box-one step forward to understand the soil microbiome: A systematic review. MICROBIAL ECOLOGY 2023; 85:669-683. [PMID: 35112151 PMCID: PMC9957845 DOI: 10.1007/s00248-022-01962-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/10/2022] [Indexed: 06/14/2023]
Abstract
Soil is one of the most important assets of the planet Earth, responsible for maintaining the biodiversity and managing the ecosystem services for both managed and natural ecosystems. It encompasses large proportion of microscopic biodiversity, including prokaryotes and the microscopic eukaryotes. Soil microbiome is critical in managing the soil functions, but their activities have diminutive recognition in few systems like desert land and forest ecosystems. Soil microbiome is highly dependent on abiotic and biotic factors like pH, carbon content, soil structure, texture, and vegetation, but it can notably vary with ecosystems and the respective inhabitants. Thus, unboxing this black box is essential to comprehend the basic components adding to the soil systems and supported ecosystem services. Recent advancements in the field of molecular microbial ecology have delivered commanding tools to examine this genetic trove of soil biodiversity. Objective of this review is to provide a critical evaluation of the work on the soil microbiome, especially since the advent of the NGS techniques. The review also focuses on advances in our understanding of soil communities, their interactions, and functional capabilities along with understanding their role in maneuvering the biogeochemical cycle while underlining and tapping the unprecedented metagenomics data to infer the ecological attributes of yet undiscovered soil microbiome. This review focuses key research directions that could shape the future of basic and applied research into the soil microbiome. This review has led us to understand that it is difficult to generalize that soil microbiome plays a substantiated role in shaping the soil networks and it is indeed a vital resource for sustaining the ecosystem functioning. Exploring soil microbiome will help in unlocking their roles in various soil network. It could be resourceful in exploring and forecasting its impacts on soil systems and for dealing with alleviating problems like rapid climate change.
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Affiliation(s)
- Apurva Mishra
- Academy of Scientific and Innovative Research [AcSIR], Ghaziabad, 201002, India
- Environmental Biotechnology and Genomics Division, , CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur, 440020, Maharashtra, India
| | - Lal Singh
- Environmental Biotechnology and Genomics Division, , CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur, 440020, Maharashtra, India
| | - Dharmesh Singh
- Institute for Medical Microbiology, Immunology and Hygiene, Technical University of Munich, Trogerstrasse 30, 81675, Munich, Bavaria, Germany.
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