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Govta N, Fatiukha A, Govta L, Pozniak C, Distelfeld A, Fahima T, Beckles DM, Krugman T. Nitrogen deficiency tolerance conferred by introgression of a QTL derived from wild emmer into bread wheat. TAG. THEORETICAL AND APPLIED GENETICS. THEORETISCHE UND ANGEWANDTE GENETIK 2024; 137:187. [PMID: 39020219 PMCID: PMC11255033 DOI: 10.1007/s00122-024-04692-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 07/04/2024] [Indexed: 07/19/2024]
Abstract
KEY MESSAGE Genetic dissection of a QTL from wild emmer wheat, QGpc.huj.uh-5B.2, introgressed into bread wheat, identified candidate genes associated with tolerance to nitrogen deficiency, and potentially useful for improving nitrogen-use efficiency. Nitrogen (N) is an important macronutrient critical to wheat growth and development; its deficiency is one of the main factors causing reductions in grain yield and quality. N availability is significantly affected by drought or flooding, that are dependent on additional factors including soil type or duration and severity of stress. In a previous study, we identified a high grain protein content QTL (QGpc.huj.uh-5B.2) derived from the 5B chromosome of wild emmer wheat, that showed a higher proportion of explained variation under water-stress conditions. We hypothesized that this QTL is associated with tolerance to N deficiency as a possible mechanism underlying the higher effect under stress. To validate this hypothesis, we introgressed the QTL into the elite bread wheat var. Ruta, and showed that under N-deficient field conditions the introgression IL99 had a 33% increase in GPC (p < 0.05) compared to the recipient parent. Furthermore, evaluation of IL99 response to severe N deficiency (10% N) for 14 days, applied using a semi-hydroponic system under controlled conditions, confirmed its tolerance to N deficiency. Fine-mapping of the QTL resulted in 26 homozygous near-isogenic lines (BC4F5) segregating to N-deficiency tolerance. The QTL was delimited from - 28.28 to - 1.29 Mb and included 13 candidate genes, most associated with N-stress response, N transport, and abiotic stress responses. These genes may improve N-use efficiency under severely N-deficient environments. Our study demonstrates the importance of WEW as a source of novel candidate genes for sustainable improvement in tolerance to N deficiency in wheat.
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Affiliation(s)
- Nikolai Govta
- Wild Cereal Gene Bank, Institute of Evolution, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel
- Department of Evolutionary and Environmental Biology, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel
| | - Andrii Fatiukha
- Department of Evolutionary and Environmental Biology, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel
- Crop Development Centre and Department of Plant Sciences, University of Saskatchewan, Saskatoon, Canada
| | - Liubov Govta
- Department of Evolutionary and Environmental Biology, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel
| | - Curtis Pozniak
- Crop Development Centre and Department of Plant Sciences, University of Saskatchewan, Saskatoon, Canada
| | - Assaf Distelfeld
- Department of Evolutionary and Environmental Biology, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel
| | - Tzion Fahima
- Department of Evolutionary and Environmental Biology, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel
| | - Diane M Beckles
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
| | - Tamar Krugman
- Wild Cereal Gene Bank, Institute of Evolution, University of Haifa, Abba Khoushy Ave 199, 3498838, Haifa, Israel.
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Jiménez-Ríos L, Torrado A, González-Pimentel JL, Iniesta-Pallarés M, Molina-Heredia FP, Mariscal V, Álvarez C. Emerging nitrogen-fixing cyanobacteria for sustainable cotton cultivation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 924:171533. [PMID: 38458446 DOI: 10.1016/j.scitotenv.2024.171533] [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: 03/04/2024] [Accepted: 03/04/2024] [Indexed: 03/10/2024]
Abstract
Amid growing environmental concerns and the imperative for sustainable agricultural practices, this study examines the potential of nitrogen-fixing cyanobacteria as biofertilizers, particularly in cotton cultivation. The reliance on synthetic nitrogen fertilizers (SNFs), prevalent in modern agriculture, poses significant environmental challenges, including greenhouse gas emissions and water system contamination. This research aims to shift this paradigm by exploring the capacity of cyanobacteria as a natural and sustainable alternative. Utilizing advanced metabarcoding methods to analyze the 16S rRNA gene, we conducted a comprehensive assessment of soil bacterial communities within cotton fields. This study focused on evaluating the diversity, structure, taxonomic composition, and potential functional characteristics of these communities. Emphasis was placed on the isolation of native N2-fixing cyanobacteria strains rom cotton soils, and their subsequent effects on cotton growth. Results from our study demonstrate significant plant growth-promoting (PGP) activities, measured as N2 fixation, production of Phytohormones, Fe solubilization and biofertilization potential of five isolated cyanobacterial strains, underscoring their efficacy in cotton. These findings suggest a viable pathway for replacing chemical-synthetic nitrogen fertilizers with natural, organic alternatives. The reintegration of these beneficial species into agricultural ecosystems can enhance crop growth while fostering a balanced microbial environment, thus contributing to the broader goals of global sustainable agriculture.
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Affiliation(s)
- Lucía Jiménez-Ríos
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Américo Vespucio 49, 41092 Sevilla, Spain
| | - Alejandro Torrado
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Américo Vespucio 49, 41092 Sevilla, Spain
| | - José Luis González-Pimentel
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Américo Vespucio 49, 41092 Sevilla, Spain
| | - Macarena Iniesta-Pallarés
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Américo Vespucio 49, 41092 Sevilla, Spain
| | - Fernando P Molina-Heredia
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Américo Vespucio 49, 41092 Sevilla, Spain
| | - Vicente Mariscal
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Américo Vespucio 49, 41092 Sevilla, Spain.
| | - Consolación Álvarez
- Instituto de Bioquímica Vegetal y Fotosíntesis, Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Américo Vespucio 49, 41092 Sevilla, Spain.
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3
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Chien SC, Krumins JA. Anthropogenic effects on global soil nitrogen pools. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:166238. [PMID: 37586519 DOI: 10.1016/j.scitotenv.2023.166238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 08/07/2023] [Accepted: 08/09/2023] [Indexed: 08/18/2023]
Abstract
The amount of nitrogen stored in terrestrial soils, its "nitrogen pool", moderates biogeochemical cycling affecting primary productivity, nitrogen pollution and even carbon budgets. The soil nitrogen pools and the transformation of nitrogen forms within them are heavily influenced by environmental factors including anthropogenic activities. However, our understanding of the global distribution of soil nitrogen with respect to anthropogenic activity and human land use remains unclear. We constructed a meta-analysis from a global sampling, in which we compare soil total nitrogen pools and the driving mechanisms affecting each pool across three major classifications of human land use: natural, agricultural, and urban. Although the size of the nitrogen pool can be similar across natural, agricultural and urban soils, the ecological and human associated drivers vary. Specifically, the drivers within agricultural and urban soils as opposed to natural soils are more complex and often decoupled from climatic and soil factors. This suggests that the nitrogen pools of those soils may be co-moderated by other factors not included in our analyses, like human activities. Our analysis supports the notion that agricultural soils act as a nitrogen source while urban soils as a nitrogen sink and informs a modern understanding of the fates and distributions of anthropogenic nitrogen in natural, agricultural, and urban soils.
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Affiliation(s)
- Shih-Chieh Chien
- Doctoral Program in Environmental Science and Management, Montclair State University, Montclair, NJ, 07043, USA.
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Srikanth B, Subrahmanyam D, Sanjeeva Rao D, Narender Reddy S, Supriya K, Raghuveer Rao P, Surekha K, Sundaram RM, Neeraja CN. Promising physiological traits associated with nitrogen use efficiency in rice under reduced N application. FRONTIERS IN PLANT SCIENCE 2023; 14:1268739. [PMID: 38053767 PMCID: PMC10694615 DOI: 10.3389/fpls.2023.1268739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 10/05/2023] [Indexed: 12/07/2023]
Abstract
Higher grain yield in high-yielding rice varieties is mostly driven by nitrogen (N) fertilizer applied in abundant amounts leading to increased production cost and environmental pollution. This has fueled the studies on nitrogen use efficiency (NUE) to decrease the N fertilizer application in rice to the possible extent. NUE is a complex physiological trait controlled by multiple genes, but yet to be completely deciphered in rice. With an objective of identifying the promising physiological traits associated with NUE in rice, the performance of 14 rice genotypes was assessed at N0, N50, N100, and N150 for four (two wet and two dry) seasons using agro-morphological, grain yield, flag leaf traits, photosynthetic pigment content, flag leaf gas exchange traits, and chlorophyll fluorescence traits. Furthermore, the data were used to derive various NUE indices to identify the most appropriate indices useful to screen rice genotypes at N50. Results indicate that with the increase in N application, cumulative grain yield increased significantly up to N100 (5.02 t ha-1); however, the increment in grain yield was marginal at N150 (5.09 t ha-1). The mean reduction of grain yield was only 26.66% at N50 ranging from 15.0% to 34.2%. The significant finding of the study is the identification of flag leaf chlorophyll fluorescence traits (Fv/Fm, ΦPSII, ETR, and qP) and Ci associated with grain yield under N50, which can be used to screen N use efficient genotypes in rice under reduced N application. Out of nine NUE indices assessed, NUpE, NUtE, and NUEyield were able to delineate the high-yielding genotypes at N50 and were useful to screen rice under reduced N conditions. Birupa emerged as one of the high yielders under N50, even though it is a moderate yielder at N100 and infers the possibility of cultivating some of the released rice varieties under reduced N inputs. The study indicates the possibility of the existence of promising genetic variability for grain yield under reduced N, the potential of flag leaf chlorophyll fluorescence, and gas exchange traits as physiological markers and best suitable NUE indices to be deployed in rice breeding programs.
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Affiliation(s)
- Bathula Srikanth
- ICAR-Indian Institute of Rice Research, Hyderabad, India
- Professor Jayashankar Telangana State Agricultural University, Hyderabad, India
| | | | | | - Sadu Narender Reddy
- Professor Jayashankar Telangana State Agricultural University, Hyderabad, India
| | - Kallakuri Supriya
- Professor Jayashankar Telangana State Agricultural University, Hyderabad, India
| | | | - Kuchi Surekha
- ICAR-Indian Institute of Rice Research, Hyderabad, India
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Aslam MM, Farhat F, Zulfiqar S, Siddiqui MA, Asim M, Sial MA. Efficiency of nitrogen, gibberellic acid and potassium on canola production under sub-tropical regions of Pakistan. Sci Rep 2023; 13:18677. [PMID: 37907585 PMCID: PMC10618472 DOI: 10.1038/s41598-023-38997-8] [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: 06/16/2021] [Accepted: 03/01/2022] [Indexed: 11/02/2023] Open
Abstract
The global demand for crop production is rapidly growing due to the continued rise in world population. Crop productivity varies generally with soil nutrient profile and climate. The optimal use of fertilizers might help to attain higher crop yield in canola. To circumvent nutrient imbalance issues in soil, two separate field trials were conducted to determine (a) the best source of nitrogen (N) between ammonium sulfate (NH4)2SO4) and ammonium nitrate (NH4NO3), (b) significance of gibberellic acid (GA3) and potassium (K), in an attempt to enhance canola yield and yield attributes. Both experiments were carried out in randomized complete block design (RCBD) with three replicates. The nitrogen source in the form of NH4)2SO4 (0, 10, 20 and 30 kg/ha) and NH4NO3 (0, 50, 75 and 100 kg/ha) was applied in the rhizosphere after 3 and 7 weeks of sowing, referred to as experiment 1 (E1). In another separate experiment (E2), the canola crop was sprayed with four level of GA3 (0, 10, 15, 30 g/ha) and K (0, 2.5, 3.5, 6 g/ha) individually or in combination by using hydraulic spryer, 30 days after sowing (DAS). The data was collected at different growth stages of canola and analyzed statistically. The E1 trail showed that N fortification in the form of NH4NO3 (100 kg/ha) and (NH4)2SO4 (30 kg/ha) had a positive effect on the plant height, number of branches, fruiting zone, seed yield per plant, seed yield per hectare of canola except oil percentage. Moreover, canola plants (E2) also displayed a significant improvement on all studied features with high doses of GA3 (30 g/ha) and K (6 g/ha) individualy and in combined form. The correlation coefficient analysis of (NH4)2SO4 and NH4NO3 was highly significant to plant height, number of branches, fruiting zone, seed yield per plant, seed yield per hectare of canola In a nutshell, compared to both source of N, NH4NO3 was more efficient and readily available source of N. GA3 being a growth elicitor and potassium as a micronutrient serve as potential source to improve yield and to manage nutrient profile of canola.
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Affiliation(s)
| | - Fozia Farhat
- Department of Botany, Government College Women University, Faisalabad, Pakistan
| | - Saman Zulfiqar
- Department of Botany, The Government Sadiq College Women University, Bahawalpur, Pakistan
| | | | - Muhammad Asim
- Plant Science Division, Pakistan Agricultural Research Council (PARC), Islamabad, Pakistan
| | - Mahboob Ali Sial
- Nuclear Institute of Agriculture (NIA), Tando Jam, 70060, Sindh, Pakistan
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Liu L, Wang D, Hua J, Kong X, Wang X, Wang J, Si A, Zhao F, Liu W, Yu Y, Chen Z. Genetic and Morpho-Physiological Differences among Transgenic and No-Transgenic Cotton Cultivars. PLANTS (BASEL, SWITZERLAND) 2023; 12:3437. [PMID: 37836177 PMCID: PMC10574747 DOI: 10.3390/plants12193437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/22/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023]
Abstract
Three carbon-chain extension genes associated with fatty acid synthesis in upland cotton (Gossypium hirsutum), namely GhKAR, GhHAD, and GhENR, play important roles in oil accumulation in cotton seeds. In the present study, these three genes were cloned and characterized. The expression patterns of GhKAR, GhHAD, and GhENR in the high seed oil content cultivars 10H1014 and 10H1041 differed somewhat compared with those of 10H1007 and 2074B with low seed oil content at different stages of seed development. GhKAR showed all three cultivars showed higher transcript levels than that of 2074B at 10-, 40-, and 45-days post anthesis (DPA). The expression pattern of GhHAD showed a lower transcript level than that of 2074B at both 10 and 30 DPA but a higher transcript level than that of 2074B at 40 DPA. GhENR showed a lower transcript level than that of 2074B at both 15 and 30 DPA. The highest transcript levels of GhKAR and GhENR were detected at 15 DPA in 10H1007, 10H1014, and 10H1041 compared with 2074B. From 5 to 45 DPA cotton seed, the oil content accumulated continuously in the developing seed. Oil accumulation reached a peak between 40 DPA and 45 DPA and slightly decreased in mature seed. In addition, GhKAR and GhENR showed different expression patterns in fiber and ovule development processes, in which they showed high expression levels at 20 DPA during the fiber elongation stage, but their expression level peaked at 15 DPA during ovule development processes. These two genes showed the lowest expression levels at the late seed maturation stage, while GhHAD showed a peak of 10 DPA in fiber development. Compared to 2074B, the oil contents of GhKAR and GhENR overexpression lines increased 1.05~1.08 folds. These results indicated that GhHAD, GhENR, and GhKAR were involved in both seed oil synthesis and fiber elongation with dual biological functions in cotton.
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Affiliation(s)
- Li Liu
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Dan Wang
- Laboratory of Cotton Genetics, Genomics and Breeding/Beijing Key Laboratory of Crop Genetic Improvement/Key Laboratory of Crop Heterosis and Utilization of Ministry of Education, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China; (D.W.); (J.H.)
| | - Jinping Hua
- Laboratory of Cotton Genetics, Genomics and Breeding/Beijing Key Laboratory of Crop Genetic Improvement/Key Laboratory of Crop Heterosis and Utilization of Ministry of Education, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, China; (D.W.); (J.H.)
| | - Xianhui Kong
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Xuwen Wang
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Juan Wang
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Aijun Si
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Fuxiang Zhao
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Wenhao Liu
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Yu Yu
- Cotton Institute, Xinjiang Academy of Agricultural and Reclamation Science/Northwest Inland Region Key Laboratory of Cotton Biology and Genetic Breeding, Shihezi 832000, China; (L.L.); (X.K.); (X.W.); (J.W.); (A.S.); (F.Z.); (W.L.)
| | - Zhiwen Chen
- Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Shanxi Datong University, Datong 037009, China
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Zayed O, Hewedy OA, Abdelmoteleb A, Ali M, Youssef MS, Roumia AF, Seymour D, Yuan ZC. Nitrogen Journey in Plants: From Uptake to Metabolism, Stress Response, and Microbe Interaction. Biomolecules 2023; 13:1443. [PMID: 37892125 PMCID: PMC10605003 DOI: 10.3390/biom13101443] [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: 08/21/2023] [Revised: 09/19/2023] [Accepted: 09/19/2023] [Indexed: 10/29/2023] Open
Abstract
Plants uptake and assimilate nitrogen from the soil in the form of nitrate, ammonium ions, and available amino acids from organic sources. Plant nitrate and ammonium transporters are responsible for nitrate and ammonium translocation from the soil into the roots. The unique structure of these transporters determines the specificity of each transporter, and structural analyses reveal the mechanisms by which these transporters function. Following absorption, the nitrogen metabolism pathway incorporates the nitrogen into organic compounds via glutamine synthetase and glutamate synthase that convert ammonium ions into glutamine and glutamate. Different isoforms of glutamine synthetase and glutamate synthase exist, enabling plants to fine-tune nitrogen metabolism based on environmental cues. Under stressful conditions, nitric oxide has been found to enhance plant survival under drought stress. Furthermore, the interaction between salinity stress and nitrogen availability in plants has been studied, with nitric oxide identified as a potential mediator of responses to salt stress. Conversely, excessive use of nitrate fertilizers can lead to health and environmental issues. Therefore, alternative strategies, such as establishing nitrogen fixation in plants through diazotrophic microbiota, have been explored to reduce reliance on synthetic fertilizers. Ultimately, genomics can identify new genes related to nitrogen fixation, which could be harnessed to improve plant productivity.
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Affiliation(s)
- Omar Zayed
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 9250, USA;
- Genetics Department, Faculty of Agriculture, Menoufia University, Shebin El-Kom 32511, Egypt;
| | - Omar A. Hewedy
- Genetics Department, Faculty of Agriculture, Menoufia University, Shebin El-Kom 32511, Egypt;
- Department of Plant Agriculture, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada
| | - Ali Abdelmoteleb
- Botany Department, Faculty of Agriculture, Menoufia University, Shebin El-Kom 32511, Egypt;
| | - Mohammed Ali
- Maryout Research Station, Genetic Resources Department, Desert Research Center, 1 Mathaf El-Matarya St., El-Matareya, Cairo 11753, Egypt;
| | - Mohamed S. Youssef
- Botany and Microbiology Department, Faculty of Science, Kafrelsheikh University, Kafrelsheikh 33516, Egypt;
- Department of Plant Science, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Ahmed F. Roumia
- Department of Agricultural Biochemistry, Faculty of Agriculture, Menoufia University, Shibin El-Kom 32514, Egypt;
| | - Danelle Seymour
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 9250, USA;
| | - Ze-Chun Yuan
- Agriculture and Agri-Food Canada, 1391 Sandford Street, London, ON N5V 4T3, Canada
- Department of Microbiology and Immunology, The University of Western Ontario, 1151 Richmond Street, London, ON N6A 5B7, Canada
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Iqbal A, Aslam S, Ahmed M, Khan F, Ali Q, Han S. Role of Actin Dynamics and GhACTIN1 Gene in Cotton Fiber Development: A Prototypical Cell for Study. Genes (Basel) 2023; 14:1642. [PMID: 37628693 PMCID: PMC10454433 DOI: 10.3390/genes14081642] [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: 07/06/2023] [Revised: 08/13/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Cotton crop is considered valuable for its fiber and seed oil. Cotton fiber is a single-celled outgrowth from the ovule epidermis, and it is a very dynamic cell for study. It has four distinct but overlapping developmental stages: initiation, elongation, secondary cell wall synthesis, and maturation. Among the various qualitative characteristics of cotton fiber, the important ones are the cotton fiber staple length, tensile strength, micronaire values, and fiber maturity. Actin dynamics are known to play an important role in fiber elongation and maturation. The current review gives an insight into the cotton fiber developmental stages, the qualitative traits associated with cotton fiber, and the set of genes involved in regulating these developmental stages and fiber traits. This review also highlights some prospects for how biotechnological approaches can improve cotton fiber quality.
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Affiliation(s)
- Adnan Iqbal
- School of Biological Sciences and Technology, Liupanshui Normal University, Liupanshui 553004, China;
- Plant Breeding and Acclimatization Institute—National Research Institute, Radzikow, 05-870 Blonie, Poland
| | - Sibgha Aslam
- Plant Breeding and Acclimatization Institute—National Research Institute, Radzikow, 05-870 Blonie, Poland
| | - Mukhtar Ahmed
- Government Boys College Sokasan, Higher Education Department, Azad Jammu and Kashmir, Bhimber 10040, Pakistan
| | - Fahad Khan
- Department of Plant Protection, Faculty of Agricultural Sciences, Ghazi University, Dera Ghazi Khan 33001, Pakistan
| | - Qurban Ali
- Department of Plant Breeding and Genetics, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590, Pakistan
| | - Shiming Han
- School of Biological Sciences and Technology, Liupanshui Normal University, Liupanshui 553004, China;
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Iqbal A, Jing N, Qiang D, Kayoumu M, Wang X, Gui H, Zhang H, Xiling Z, Meizhen S. Genotypic variation in carbon and nitrogen metabolism in the cotton subtending leaves and seed cotton yield under various nitrogen levels. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2023; 103:2602-2617. [PMID: 36571565 DOI: 10.1002/jsfa.12412] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/20/2022] [Accepted: 12/26/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Nitrogen (N) is the key nutrient required for high cotton production; however, its excessive use can increase the cost of production and environmental problems. Reducing the application of N while sustaining the yield is an important issue to be solved. Therefore, this study was designed to investigate the genotypic variations in subtending leaf physiology and its contribution to seed cotton yield of contrasting N-efficient cotton genotypes under various N levels in pot and field conditions. RESULTS The results showed that the application of N increased the enzymatic activities related to carbon (C) and N metabolisms. Under the same N level, the C/N metabolisms of the N-efficient genotypes were significantly higher than N-inefficient genotypes, indicating a strong N assimilation and photoassimilation ability in N-efficient genotypes, especially under low N level. Moreover, the antioxidant enzymatic activities were significantly higher, whereas malondialdehyde content was lower in N-efficient cotton genotypes than in N-inefficient ones. Therefore, N-efficient cotton genotypes showed strong resistance, higher C/N metabolisms, and provided sufficient dry matter for boll development. As a result, the yield, N use efficiency, and value cost ratio of the N-efficient cotton genotypes were higher than in the N-inefficient genotypes. CONCLUSION It was confirmed that the higher C/N metabolisms in the cotton subtending leaves of N-efficient cotton genotypes could support higher seed cotton yield under relatively low N application. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Asif Iqbal
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
| | - Niu Jing
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
- Anyang Academy of Agriculture Sciences, Anyang, China
| | - Dong Qiang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
| | - Mirezhatijiang Kayoumu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
| | - Xiangru Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
- Western Agricultural Research Center of Chinese Academy of Agricultural Sciences, Changji, China
| | - Huiping Gui
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
| | - Hengheng Zhang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhang Xiling
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
- Western Agricultural Research Center of Chinese Academy of Agricultural Sciences, Changji, China
| | - Song Meizhen
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, China
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, School of Agricultural Sciences, Zhengzhou University, Zhengzhou, China
- Western Agricultural Research Center of Chinese Academy of Agricultural Sciences, Changji, China
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10
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Aycan M, Nahar L, Baslam M, Mitsui T. B-type response regulator hst1 controls salinity tolerance in rice by regulating transcription factors and antioxidant mechanisms. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 196:542-555. [PMID: 36774910 DOI: 10.1016/j.plaphy.2023.02.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/19/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Salinity is a serious environmental problem that limits plant yield in almost half of the agricultural fields. The hitomebore salt tolerant 1(hst1) is a mutant B-type response regulator gene that was reported to improve salinity tolerance in the 'YNU31-2-4' (YNU) genotype. The sister line (SL) is salt-sensitive, and the nearest genomic relative of the YNU plant has the OsRR22 gene, which is the non-mutant form of the hst1 gene. Biochemical and comprehensive transcriptome analysis of SL and YNU plants was performed to clarify the salinity tolerance mechanism(s) mediated by the hst1 gene. The hst1 gene reduced Na+ ions, lipid peroxidation, and H2O2 content, and improve proline and antioxidant enzymes activities under salt stress. Various transporter and gene-specific transcriptional regulator genes up-regulated in presence of the hst1 gene under saline conditions, identifying that post-stress transcription factors (OsbHLH056, OsH43, OsGRAS29, and OsMADS1) contributed to improved salinity tolerance in YNU plants. Specifically, OsSalT, miR156, and OsLPT1.16 genes were up-regulated, while upstream (OsHKs and OsHPs) and downstream regulators of the OsRR22 gene were down-regulated in YNU plants under saline conditions. Notably, the transcription factors reprogramming, upstream and downstream genes, indicate that these pathways are transcriptionally regulated by the hst1 gene. The findings of the regulatory role of the hst1 gene on plant transcriptome provide a greater understanding of hst1-mediated salt tolerance in rice plants. This knowledge will contribute to understanding the salinity tolerance mechanisms in rice and the evolution of salt-tolerant crops with the ability to withstand higher salinity to ensure food security during climate change.
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Affiliation(s)
- Murat Aycan
- Laboratory of Biochemistry, Faculty of Agriculture, Niigata University, Niigata, 950-2181, Japan.
| | - Lutfun Nahar
- Department of Life and Food Sciences, Graduate School of Science and Technology, Niigata University, Niigata, 950-2181, Japan; Department of Agricultural Botany, Sher-e-Bangla Agricultural University, Dhaka, 1207, Bangladesh
| | - Marouane Baslam
- Laboratory of Biochemistry, Faculty of Agriculture, Niigata University, Niigata, 950-2181, Japan
| | - Toshiaki Mitsui
- Laboratory of Biochemistry, Faculty of Agriculture, Niigata University, Niigata, 950-2181, Japan.
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11
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Bashir A, Khan SU, Hendi AA, Zaman U, Rehman KU, Refat MS, Alsuhaibani AM, Khan QU. Uptake of nitrogen and nitrogen use efficiency of soil through agrotain coated urea and its integration with farmyard manure. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 328:116963. [PMID: 36516710 DOI: 10.1016/j.jenvman.2022.116963] [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: 10/07/2022] [Revised: 11/23/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
Since the green revolution, excessive utilization of chemical fertilizers has become prevalent due to concerns about the integrity of food production for the growing population. This indiscriminate use harms the fertility of the soil, especially in sandy soils where nutrient leaching, particularly nitrogen, results in yield losses as well as environmental and health problems. A pot experiment was carried out at Gomal University, Pakistan, in March 2022 to assess the nitrogen use efficiency, nitrogen uptake, and yield of okra. There were nine treatments with four replicates and the treatment combinations were established using a completely randomized design (CRD). Urea coated with agrotain (urease inhibitor) was applied each at 120 and 84 kg N ha-1 in 2 or 3 splits. Urea at 84 kg N ha-1 was also used in combination with Farmyard manure (FYM) and compared against the control (100% recommended urea). Obtained results showed that inhibitor-treated urea significantly increased soil concentrations of NO3-N and NH4-N over non-inhibitor-treated urea. The highest NO3-N was recorded where urea alone and urea treated with 3 L (3 L) agrotain was applied to 100%. The highest ammonical-N was recorded, where 70% urea treated with 3 L agrotain was applied. Urea, in combination with FYM, significantly increased the organic matter. Electrical conductivity in extract (ECe), and pH of the soil. The improvement in yield with inhibitor was at par with 70% and 100% urea. The highest improvement of 16% in fruit yield and 7.29% nitrogen use efficiency was obtained in the treatment receiving 120 kg N ha-1 treated with 3 L agrotain compared with non-inhibitor urea. The 2nd highest improvement of 10% in fruit yield on account of increased fruit length, stem diameter, and number of fruits, and 5.97% nitrogen use efficiency (NUE) was obtained in treatment receiving 120 kg N ha-1 in combination with FYM in comparison to control. These results suggested that the use of N inhibitor significantly increased the okra fruit yield on account of enhancing ammonical-N and increased N use efficiency.
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Affiliation(s)
- Aneela Bashir
- Department of Soil and Environmental Sciences, Gomal University, Dera Ismail Khan, KPK, Pakistan
| | - Shahid Ullah Khan
- Department of Biochemistry, Women Medical and Dental College, Khyber Medical University, KPK, Pakistan; National Key Laboratory of Crops Genetic Improvement, Huazhong Agricultural University, Wuhan, 430070, PR China
| | - Awatif A Hendi
- Department of Physics, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Umber Zaman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan, KPK, Pakistan
| | - Khalil Ur Rehman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan, KPK, Pakistan.
| | - Moamen S Refat
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Amnah Mohammed Alsuhaibani
- Department of Physical Sport Science, College of Education, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Qudrat Ullah Khan
- Department of Soil and Environmental Sciences, Gomal University, Dera Ismail Khan, KPK, Pakistan
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12
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Abdelkhalik A, Abd El-Mageed TA, Mohamed IAA, Semida WM, Al-Elwany OAAI, Ibrahim IM, Hemida KA, El-Saadony MT, AbuQamar SF, El-Tarabily KA, Gyushi MAH. Soil application of effective microorganisms and nitrogen alleviates salt stress in hot pepper ( Capsicum annum L.) plants. FRONTIERS IN PLANT SCIENCE 2023; 13:1079260. [PMID: 36743545 PMCID: PMC9889995 DOI: 10.3389/fpls.2022.1079260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 12/13/2022] [Indexed: 06/18/2023]
Abstract
The application of effective microorganisms (EMs) and/or nitrogen (N) have a stimulating effect on plants against abiotic stress conditions. The aim of the present study was to determine the impact of the co-application of EMs and N on growth, physio-biochemical attributes, anatomical structures, nutrients acquisition, capsaicin, protein, and osmoprotectant contents, as well as the antioxidative defense system of hot pepper (Capsicum annum L.) plants. In the field trials, EMs were not applied (EMs-) or applied (EMs+) along with three N rates of 120, 150, and 180 kg unit N ha-1 (designated as N120, N150, and N180, respectively) to hot pepper plants grown in saline soils (9.6 dS m-1). The application of EMs and/or high N levels attenuated the salt-induced damages to hot pepper growth and yield. The application of EMs+ with either N150 or N180 increased the number, average weight and yield of fruits by 14.4 or 17.0%, 20.8 or 20.8% and 28.4 or 27.5%, respectively, compared to hot pepper plants treated with the recommended dose (EMs- × N150). When EMs+ was individually applied or combined with either N150 or N180, increased accumulation of capsaicin were observed by 16.7 or 20.8%, protein by 12.5 or 16.7%, proline by 19.0 or 14.3%, and total soluble sugars by 3.7 or 7.4%, respectively, in comparison with those treated with the integrative EMs- × N150. In addition, the non-enzymatic contents (ascorbate, and glutathione) and enzymatic activities (catalase, superoxide dismutase, and glutathione reductase) of the antioxidant defense systems significantly increased in hot pepper plants treated with EMs+ alone or combined with N150 or N180 under salt stress conditions. Higher accumulation of nutrients (N, P, K+, and Ca2+) along with reduced Na+ acquisition was also evidenced in response to EMs+ or/and high N levels. Most anatomical features of stems and leaves recovered in hot pepper plants grown in saline soils and supplied with EMs+ and N. The application of EMs and N is undoubtedly opening new sustainable approaches toward enhancing abiotic stress tolerance in crops (e.g. hot pepper).
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Affiliation(s)
| | | | | | - Wael M. Semida
- Horticulture Department, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | | | - Ibrahim M. Ibrahim
- Department of Agricultural Microbiology, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | | | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Synan F. AbuQamar
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Khaled A. El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
- Khalifa Center for Genetic Engineering and Biotechnology, United Arab Emirates University, Al Ain, United Arab Emirates
- Harry Butler Institute, Murdoch University, Murdoch, WA, Australia
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13
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Arnao MB, Hernández-Ruiz J, Cano A. Role of Melatonin and Nitrogen Metabolism in Plants: Implications under Nitrogen-Excess or Nitrogen-Low. Int J Mol Sci 2022; 23:ijms232315217. [PMID: 36499543 PMCID: PMC9741234 DOI: 10.3390/ijms232315217] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/25/2022] [Accepted: 12/01/2022] [Indexed: 12/11/2022] Open
Abstract
Melatonin is a new plant hormone involved in multiple physiological functions in plants such as germination, photosynthesis, plant growth, flowering, fruiting, and senescence, among others. Its protective role in different stress situations, both biotic and abiotic, has been widely demonstrated. Melatonin regulates several routes in primary and secondary plant metabolism through the up/down-regulation of many enzyme/factor genes. Many of the steps of nitrogen metabolism in plants are also regulated by melatonin and are presented in this review. In addition, the ability of melatonin to enhance nitrogen uptake under nitrogen-excess or nitrogen-low conditions is analyzed. A model that summarizes the distribution of nitrogen compounds, and the osmoregulation and redox network responses mediated by melatonin, are presented. The possibilities of using melatonin in crops for more efficient uptake, the assimilation and metabolization of nitrogen from soil, and the implications for Nitrogen Use Efficiency strategies to improve crop yield are also discussed.
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14
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Chattha MS, Ali Q, Haroon M, Afzal MJ, Javed T, Hussain S, Mahmood T, Solanki MK, Umar A, Abbas W, Nasar S, Schwartz-Lazaro LM, Zhou L. Enhancement of nitrogen use efficiency through agronomic and molecular based approaches in cotton. FRONTIERS IN PLANT SCIENCE 2022; 13:994306. [PMID: 36237509 PMCID: PMC9552886 DOI: 10.3389/fpls.2022.994306] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 08/22/2022] [Indexed: 05/22/2023]
Abstract
Cotton is a major fiber crop grown worldwide. Nitrogen (N) is an essential nutrient for cotton production and supports efficient crop production. It is a crucial nutrient that is required more than any other. Nitrogen management is a daunting task for plants; thus, various strategies, individually and collectively, have been adopted to improve its efficacy. The negative environmental impacts of excessive N application on cotton production have become harmful to consumers and growers. The 4R's of nutrient stewardship (right product, right rate, right time, and right place) is a newly developed agronomic practice that provides a solid foundation for achieving nitrogen use efficiency (NUE) in cotton production. Cropping systems are equally crucial for increasing production, profitability, environmental growth protection, and sustainability. This concept incorporates the right fertilizer source at the right rate, time, and place. In addition to agronomic practices, molecular approaches are equally important for improving cotton NUE. This could be achieved by increasing the efficacy of metabolic pathways at the cellular, organ, and structural levels and NUE-regulating enzymes and genes. This is a potential method to improve the role of N transporters in plants, resulting in better utilization and remobilization of N in cotton plants. Therefore, we suggest effective methods for accelerating NUE in cotton. This review aims to provide a detailed overview of agronomic and molecular approaches for improving NUE in cotton production, which benefits both the environment and growers.
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Affiliation(s)
- Muhammad Sohaib Chattha
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
- School of Plant, Environmental and Soil Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA, United States
| | - Qurban Ali
- Laboratory of Integrated Management of Crop Diseases and Pests, Department of Plant Pathology, College of Plant Protection, Ministry of Education, Nanjing Agricultural University, Nanjing, China
| | - Muhammad Haroon
- National Key Laboratory of Crop Genetic Improvement and National Centre of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
| | | | - Talha Javed
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Sadam Hussain
- Department of Agronomy, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Tahir Mahmood
- Department of Plant Breeding & Genetics, Pir Mehr Ali Shah Arid Agriculture University, Rawalpindi, Pakistan
| | - Manoj K. Solanki
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, Katowice, Poland
| | - Aisha Umar
- Institute of Botany, University of the Punjab, Lahore, Pakistan
| | - Waseem Abbas
- National Key Laboratory of Crop Genetic Improvement and National Centre of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
| | - Shanza Nasar
- Department of Botany, University of Gujrat Hafiz Hayat Campus, Gujrat, Pakistan
| | - Lauren M. Schwartz-Lazaro
- School of Plant, Environmental and Soil Sciences, Louisiana State University Agricultural Center, Baton Rouge, LA, United States
| | - Lei Zhou
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-Products, Institute of Agro-Product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
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15
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Guo X, Ullah A, Siuta D, Kukfisz B, Iqbal S. Role of WRKY Transcription Factors in Regulation of Abiotic Stress Responses in Cotton. Life (Basel) 2022; 12:life12091410. [PMID: 36143446 PMCID: PMC9504182 DOI: 10.3390/life12091410] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
Environmental factors are the major constraints in sustainable agriculture. WRKY proteins are a large family of transcription factors (TFs) that regulate various developmental processes and stress responses in plants, including cotton. On the basis of Gossypium raimondii genome sequencing, WRKY TFs have been identified in cotton and characterized for their functions in abiotic stress responses. WRKY members of cotton play a significant role in the regulation of abiotic stresses, i.e., drought, salt, and extreme temperatures. These TFs either activate or repress various signaling pathways such as abscisic acid, jasmonic acid, salicylic acid, mitogen-activated protein kinases (MAPK), and the scavenging of reactive oxygen species. WRKY-associated genes in cotton have been genetically engineered in Arabidopsis, Nicotiana, and Gossypium successfully, which subsequently enhanced tolerance in corresponding plants against abiotic stresses. Although a few review reports are available for WRKY TFs, there is no critical report available on the WRKY TFs of cotton. Hereby, the role of cotton WRKY TFs in environmental stress responses is studied to enhance the understanding of abiotic stress response and further improve in cotton plants.
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Affiliation(s)
- Xiaoqiang Guo
- College of Life Science and Technology, Longdong University, Qingyang 745000, China
- Correspondence: (X.G.); (A.U.)
| | - Abid Ullah
- Department of Botany, Post Graduate College Dargai, Malakand 23060, Khyber Pakhtunkhwa, Pakistan
- Correspondence: (X.G.); (A.U.)
| | - Dorota Siuta
- Faculty of Process and Environmental Engineering, Lodz University of Technology, Wolczanska Str. 213, 90-924 Lodz, Poland
| | - Bożena Kukfisz
- Faculty of Security Engineering and Civil Protection, The Main School of Fire Service, 01-629 Warsaw, Poland
| | - Shehzad Iqbal
- College of Plant Sciences and Technology, Huazhong Agricultural University, Wuhan 430070, China
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16
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Ibrahim IAE, Yehia WMB, Saleh FH, Lamlom SF, Ghareeb RY, El-Banna AAA, Abdelsalam NR. Impact of Plant Spacing and Nitrogen Rates on Growth Characteristics and Yield Attributes of Egyptian Cotton ( Gossypium barbadense L.). FRONTIERS IN PLANT SCIENCE 2022; 13:916734. [PMID: 35646020 PMCID: PMC9135022 DOI: 10.3389/fpls.2022.916734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Accepted: 04/25/2022] [Indexed: 06/15/2023]
Abstract
This current study was performed to determine the influences of plant spacing, Nitrogen (N) fertilization rate and their effect, on growth traits, yield, and yield components of cotton (Gossypium barbadense L.) cv. Giza 97 during the 2019 and 2020 seasons. A split plot experiment in three replicates was utilized whereas the cotton seeds were planted at 20, 30, and 40 cm, as main plots and nitrogen at 75, 100, and 125%, was in subplots. The results revealed that the planting spacing at 40 cm significantly (p ≤ 0.01) increased plant height, number of fruiting branches per plant, number of bolls per plant, boll weight (BW), lint percentage (L%), seed cotton yield (SCY), lint cotton yield (LCY), seed index and lint index by 165.68 cm, 20.92, 23.93, 3.75 g, 42.01%, 4.24 ton/ha, 5.16 ton/ha, 12.05, 7.86, respectively, as average in both seasons. The application of N fertilizer rate at 125% caused a maximum increase in growth and yield parameters i.e., plant height (169.08 cm), number of vegetative branches (2.67), number of fruiting branches per plant (20.82), number bolls per fruiting branch (1.39), number of bolls per plant (23.73), boll weight (4.1 g), lint percent (41.9%), seed index (11.8 g), and lint index (8.2), while the plants treated with 100% N rates exhibited highest seed cotton yield (4.3 ton/ha) and lint cotton yield (5.6 ton/ha), as average in both seasons. Combining plant spacing at 40 cm between plants with a 100% N fertilizer rate recorded the highest lint cotton yield (5.67 ton/ha), while the highest seed cotton yield (4.43 and 4.50 ton/ha) was obtained from 125% N fertilizer rate under planting spacing 20 and 40 cm, respectively. Conclusively, a wide density (40 cm) with 125% N is a promising option for improved biomass, cotton growth, yield, physiological traits, and fiber quality.
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Affiliation(s)
- Ibrahim A. E. Ibrahim
- Department of Plant Production, Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, Egypt
| | | | - Fouad H. Saleh
- Department of Plant Production, Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, Egypt
| | - Sobhi F. Lamlom
- Department of Plant Production, Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, Egypt
| | - Rehab Y. Ghareeb
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, Alexandria, Egypt
| | - Aly A. A. El-Banna
- Department of Plant Production, Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, Egypt
| | - Nader R. Abdelsalam
- Agricultural Botany Department, Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, Egypt
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17
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Dong X, Zhang Z, Wang S, Shen Z, Cheng X, Lv X, Pu X. Soil properties, root morphology and physiological responses to cotton stalk biochar addition in two continuous cropping cotton field soils from Xinjiang, China. PeerJ 2022; 10:e12928. [PMID: 35190786 PMCID: PMC8857900 DOI: 10.7717/peerj.12928] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 01/20/2022] [Indexed: 01/11/2023] Open
Abstract
Long-term and widespread cotton production in Xinjiang, China, has resulted in significant soil degradation, thereby leading to continuous cropping obstacles; cotton stalk biochar (CSB) addition may be an effective countermeasure to this issue, with effects that are felt immediately by root systems in direct contact with the soil. In this study, we assess the effects of different CSB application rates on soil nutrient contents, root morphology, and root physiology in two soil types commonly used for cotton production in the region. Compared with CK (no CSB addition), a 1% CSB addition increased total nitrogen (TN), available phosphorus (AP), and organic matter (OM) by 13.3%, 7.2%, and 50% in grey desert soil, respectively , and 36.5%, 19.9%, and 176.4%, respectively, in aeolian sandy soil. A 3% CSB addition increased TN, AP, and OM by 38.8%, 23.8%, and 208.1%, respectively, in grey desert soil, and 36%, 13%, and 183.2%, respectively, in aeolian sandy soil. Compared with the aeolian sandy soil, a 1% CSB addition increased TN, OM, and AP by 95%, 94.8%, and 33.3%, respectively, in the grey desert soil , while in the same soil 3% CSB addition increased TN, OM, and AP by 108%, 21.1%, and 73.9%, respectively. In the grey desert soil, compared with CK, a 1% CSB application increased the root length (RL) (34%), specific root length (SRL) (27.9%), and root volume (RV) (32.6%) during the bud stage, increased glutamine synthetase (GS) (13.9%) and nitrate reductase (NR) activities (237%), decreased the RV (34%) and average root diameter (ARD) (36.2%) during the harvesting stage. A 3% CSB addition increased the RL (44%), SRL (20%), and RV (41.2%) during the bud stage and decreased the RV (29%) and ARD (27%) during the harvesting stage. In the aeolian sandy soil, 1% CSB increased the RL (38.3%), SRL (73.7%), and RV (17%), while a 3% caused a greater increase in the RL (55%), SRL (89%), RV (28%), soluble sugar content (128%), and underground biomass (33.8%). Compared with the grey desert soil, a 1% CSB addition increased the RL (48.6%), SRL (58%), and RV (18.6%) in the aeolian sandy soil, while a 3% further increased the RL (54.8%), SRL (84.2%), RV (21.9%), and soluble sugar content (233%). The mechanisms by which CSB addition improves the two soils differ: root morphology changed from coarse and short to fine and long in the grey desert soil, and from fine and long to longer in the aeolian sandy soil. Overall, a 3% CSB addition may be a promising and sustainable strategy for maintaining cotton productivity in aeolian sandy soil in the Xinjiang region.
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Affiliation(s)
- Xiuxiu Dong
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang, China
| | - Zhiyong Zhang
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang, China
| | - Shaoming Wang
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang, China
| | - Zihui Shen
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang, China
| | - Xiaojiao Cheng
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang, China
| | - Xinhua Lv
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang, China
| | - Xiaozhen Pu
- College of Life Sciences, Shihezi University, Shihezi, Xinjiang, China,Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, Pharmacy School, Shihezi, Xinjiang, China
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18
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Shah AN, Javed T, Singhal RK, Shabbir R, Wang D, Hussain S, Anuragi H, Jinger D, Pandey H, Abdelsalam NR, Ghareeb RY, Jaremko M. Nitrogen use efficiency in cotton: Challenges and opportunities against environmental constraints. FRONTIERS IN PLANT SCIENCE 2022; 13:970339. [PMID: 36072312 PMCID: PMC9443504 DOI: 10.3389/fpls.2022.970339] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 07/20/2022] [Indexed: 05/09/2023]
Abstract
Nitrogen is a vital nutrient for agricultural, and a defieciency of it causes stagnate cotton growth and yield penalty. Farmers rely heavily on N over-application to boost cotton output, which can result in decreased lint yield, quality, and N use efficiency (NUE). Therefore, improving NUE in cotton is most crucial for reducing environmental nitrate pollution and increasing farm profitability. Well-defined management practices, such as the type of sources, N-rate, application time, application method, crop growth stages, and genotypes, have a notable impact on NUE. Different N formulations, such as slow and controlled released fertilizers, have been shown to improve N uptake and, NUE. Increasing N rates are said to boost cotton yield, although high rates may potentially impair the yield depending on the soil and environmental conditions. This study comprehensively reviews various factors including agronomic and environmental constraints that influence N uptake, transport, accumulation, and ultimately NUE in cotton. Furthermore, we explore several agronomic and molecular approaches to enhance efficiency for better N uptake and utilization in cotton. Finally, this objective of this review to highlight a comprehensive view on enhancement of NUE in cotton and could be useful for understanding the physiological, biochemical and molecular mechanism of N in cotton.
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Affiliation(s)
- Adnan Noor Shah
- Department of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab, Pakistan
- *Correspondence: Adnan Noor Shah,
| | - Talha Javed
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
| | | | - Rubab Shabbir
- College of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, China
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad, Pakistan
| | - Depeng Wang
- College of Life Science, Linyi University, Linyi, Shandong, China
- Depeng Wang,
| | - Sadam Hussain
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
| | - Hirdayesh Anuragi
- ICAR-Central Agroforestry Research Institute, Jhansi, Uttar Pradesh, India
| | - Dinesh Jinger
- ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Anand, Gujarat, India
| | | | - Nader R. Abdelsalam
- Agricultural Botany Department, Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, Egypt
| | - Rehab Y. Ghareeb
- Plant Protection and Biomolecular Diagnosis Department, Arid Lands Cultivation Research Institute, City of Science Research and Technological Applications, Alexandria, Egypt
| | - Mariusz Jaremko
- Smart Health Initiative and Red Sea Research Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
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Hannachi S, Werbrouck S, Bahrini I, Abdelgadir A, Affan Siddiqui H. Agronomical, Physiological and Biochemical Characterization of In Vitro Selected Eggplant Somaclonal Variants under NaCl Stress. PLANTS (BASEL, SWITZERLAND) 2021; 10:2544. [PMID: 34834907 PMCID: PMC8624560 DOI: 10.3390/plants10112544] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/13/2021] [Accepted: 11/16/2021] [Indexed: 05/23/2023]
Abstract
Previously, an efficient regeneration protocol was established and applied to regenerate plants from calli lines that could grow on eggplant leaf explants after a stepwise in vitro selection for tolerance to salt stress. Plants were regenerated from calli lines that could tolerate up to 120 mM NaCl. For further in vitro and in vivo evaluation, four plants with a higher number of leaves and longer roots were selected from the 32 plants tested in vitro. The aim of this study was to confirm the stability of salt tolerance in the progeny of these four mutants ('R18', 'R19', 'R23' and 'R30'). After three years of in vivo culture, we evaluated the impact of NaCl stress on agronomic, physiological and biochemical parameters compared to the parental control ('P'). The regenerated and control plants were assessed under in vitro and in vivo conditions and were subjected to 0, 40, 80 and 160 mM of NaCl. Our results show significant variation in salinity tolerance among regenerated and control plants, indicating the superiority of four regenerants ('R18', 'R19', 'R23' and 'R30') when compared to the parental line ('P'). In vitro germination kinetics and young seedling growth divided the lines into a sensitive and a tolerant group. 'P' tolerate only moderate salt stress, up to 40 mM NaCl, while the tolerance level of 'R18', 'R19', 'R23' and 'R30' was up to 80 mM NaCl. The quantum yield of PSII (ΦPSII) declined significantly in 'P' under salt stress. The photochemical quenching was reduced while nonphotochemical quenching rose in 'P' under salt stress. Interestingly, the regenerants ('R18', 'R19', 'R23' and 'R30') exhibited high apparent salt tolerance by maintaining quite stable Chl fluorescence parameters. Rising NaCl concentration led to a substantial increase in foliar proline, malondialdehyde and soluble carbohydrates accumulation in 'P'. On the contrary, 'R18', 'R19', 'R23' and 'R30' exhibited a decline in soluble carbohydrates and a significant enhancement in starch under salinity conditions. The water status reflected by midday leaf water potential (ψl) and leaf osmotic potential (ψπ) was significantly affected in 'P' and was maintained a stable level in 'R18', 'R19', 'R23' and 'R30' under salt stress. The increase in foliar Na+ and Cl- content was more accentuated in parental plants than in regenerated plants. The leaf K+, Ca2+ and Mg2+ content reduction was more aggravated under salt stress in 'P'. Under increased salt concentration, 'R18', 'R19', 'R23' and 'R30' associate lower foliar Na+ content with a higher plant tolerance index (PTI), thus maintaining a normal growth, while foliar Na+ accumulation was more pronounced in 'P', revealing their failure in maintaining normal growth under salinity stress. 'R18', 'R19', 'R23' and 'R30' showed an obvious salt tolerance by maintaining significantly high chlorophyll content. In 'R18', 'R19', 'R23' and 'R30', the enzyme scavenging machinery was more performant in the roots compared to the leaves. Salt stress led to a significant augmentation of catalase, ascorbate peroxidase and guaiacol peroxidase activities in the roots of 'R18', 'R19', 'R23' and 'R30'. In contrast, enzyme activities were less enhanced in 'P', indicating lower efficiency to cope with oxidative stress than in 'R18', 'R19', 'R23' and 'R30'. ACC deaminase activity was significantly higher in 'R18', 'R19', 'R23' and 'R30' than in 'P'. The present study suggests that regenerated plants 'R18', 'R19', 'R23' and 'R30' showed an evident stability in tolerating salinity, which shows their potential to be adopted as interesting selected mutants, providing the desired salt tolerance trait in eggplant.
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Affiliation(s)
- Sami Hannachi
- Department of Biology, College of Science, University of Hail, P.O. Box 2440, Ha’il 81451, Saudi Arabia; (I.B.); (A.A.)
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links, 653, 9000 Ghent, Belgium;
| | - Stefaan Werbrouck
- Department of Plants and Crops, Faculty of Bioscience Engineering, Ghent University, Coupure Links, 653, 9000 Ghent, Belgium;
| | - Insaf Bahrini
- Department of Biology, College of Science, University of Hail, P.O. Box 2440, Ha’il 81451, Saudi Arabia; (I.B.); (A.A.)
| | - Abdelmuhsin Abdelgadir
- Department of Biology, College of Science, University of Hail, P.O. Box 2440, Ha’il 81451, Saudi Arabia; (I.B.); (A.A.)
| | - Hira Affan Siddiqui
- Department of Physics, College of Science, University of Hail, P.O. Box 2440, Ha’il 81451, Saudi Arabia;
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20
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Escobar Diaz PA, Gil OJA, Barbosa CH, Desoignies N, Rigobelo EC. Aspergillus spp. and Bacillus spp. as Growth Promoters in Cotton Plants Under Greenhouse Conditions. FRONTIERS IN SUSTAINABLE FOOD SYSTEMS 2021. [DOI: 10.3389/fsufs.2021.709267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
This study aimed to verify the potential of three Aspergillus and Bacillus species as growth promoters in cotton plants under greenhouse conditions. The experiment was conducted with a completely randomized design with seven treatments (six microorganisms plus one control) and five replicates until the flowering stage at 70 days after emergence. The inoculation of cotton plants with Bacillus velezensis (Bv188) and Bacillus subtilis (Bs248 and Bs290) had a positive effect on total nitrogen extraction (899.31, 962.18, and 755.41 mg N/kg dry matter, respectively) compared to the control (459.31 mg N/kg dry weight), total phosphorus extraction (121.94, 124.31, and 99.27 mg P/kg dry matter, respectively) compared to the control (65.10 mg P/kg dry matter), and total dry matter (41.08, 43.59, and 49.86 g/plant, respectively) compared to the control (26.70 g/plant), as well as biomass carbon (72.26, 35.18, and 14.7 mg/kg soil, respectively). Cotton plants inoculated with Aspergillus brasiliensis (F111), Aspergillus sydowii (F112), and Aspergillus sp. (versicolor section) (F113) had higher total nitrogen extraction (953.33, 812.59, and 891.62 mg N/kg dry matter, respectively) compared to the control (459.31 mg N/kg dry matter), a higher total phosphorus (122.30, 104.86, and 118.45 mg P/kg dry matter, respectively) compared to the control (65.10 mg P/kg dry matter), a higher total dry matter (37.52, 37.41, and 53.02 g/plant) compared to the control (26.70 g/plant), and greater respiratory activity (14.98, 10.43, and 7.11 mg CO2/100 g soil, respectively) compared to the control (3.5 mg CO2/100 g soil). The fungi A. brasiliensis (F111) and A. sydowii (F112) promoted higher phosphorus absorption by cotton plants, which was reflected by the lower amount of nutrients in the soil (7.10 and 16.96 g P/dm3 soil) than in the control (26.91 g P/dm3 soil). The results suggest that B. subtilis 248 promoted an increase in phosphorus extracted from the roots and total and phosphorous compounds from the root dry matter and increased the value of soil respiratory activity, and this bacterium could be used as an inoculant in cotton crops.
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21
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Sound Water and Nitrogen Management Decreases Nitrogen Losses from a Drip-Fertigated Cotton Field in Northwestern China. SUSTAINABILITY 2021. [DOI: 10.3390/su13021002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Drip irrigation systems are becoming more and more mature and are now widely used to improve crop yield and nitrogen use efficiency in Xinjiang, NW China. However, it is not known if leaching is occurring or not and whether leaching will harm the water environment following N fertilization and drip irrigation. The purpose of our study was to estimate the leaching volumes, nitrogen losses, forms of nitrogen losses, and nitrogen loss coefficients under different N fertilization, P fertilization, K fertilization and irrigation regimes. A long-term field experiment was conducted from 2009 to 2015 in Baotou Lake farm in Korla City, Xinjiang, with drip-irrigated cotton (Gossypium hirsutum L.) being grown under different N fertilizer and irrigation regimes. The treatments were designed comprising 0 N, 0 P, and 0 K with an irrigation of 480 mm as the control(N0P0K0W480) and the following three other treatments: (1) 357 kg N·hm−2, 90 kg P·hm−2, 0 kg K2O hm−2, and irrigation of 480 mm (N357P90K0W480); (2) 357 kg N·hm−2, 90 kg P·hm−2, 62 kg K·hm−2, and irrigation of 420 mm (N357P90K62W420); and (3) 240 kg N·hm−2, 65 kg P·hm−2, 62 kg K·hm−2, and irrigation of 420 mm (N240P65K62W420). The results showed the following: (1) the leaching volume was determined by nitrogen fertilization, phosphorus fertilization, and the irrigation amount. In general, the leaching volume was highest under treatment N357P90K0W480. (2) The nitrogen loss was highest under treatment N357P90K0W480. (3) Nitrate nitrogen (NO3–) was the main form of nitrogen lost, followed by ammonium nitrogen (NH4+). (4) The annual nitrogen loss coefficients followed the order of: N357P90K0W480 > N357P90K62W420 > N240P65K62W420 > N0P0K0W480, with values of 0.85, 0.55, 0.30, and 0, respectively. The leaching volume, nitrogen loss, nitrate nitrogen, ammonium nitrogen, and annual nitrogen loss coefficient were lowest under the N240P65K62W420 treatment, except in the N0P0K0W480treatment. These results demonstrate that optimizing the management of water and nitrogen (N240P65K62W420 treatment) can effectively reduce nitrogen losses under drip fertigation and plastic mulching.
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22
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Hussain S, Mubeen M, Ahmad A, Akram W, Hammad HM, Ali M, Masood N, Amin A, Farid HU, Sultana SR, Fahad S, Wang D, Nasim W. Using GIS tools to detect the land use/land cover changes during forty years in Lodhran District of Pakistan. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:39676-39692. [PMID: 31385244 DOI: 10.1007/s11356-019-06072-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 07/25/2019] [Indexed: 06/10/2023]
Abstract
Land use/land cover (LULC) change has serious implications for environment as LULC is directly related to land degradation over a period of time and results in many changes in the environment. Monitoring the locations and distributions of LULC changes is important for establishing links between regulatory actions, policy decisions, and subsequent LULC activities. The normalized difference vegetation index (NDVI) has the potential ability to identify the vegetation features of various eco-regions and provides valuable information as a remote sensing tool in studying vegetation phenology cycles. Similarly, the normalized difference built-up index (NDBI) may be used for quoting built-up land. This study aims to detect the pattern of LULC, NDBI, and NDVI change in Lodhran district, Pakistan, from the Landsat images taken over 40 years, considering four major LULC types as follows: water bodies, built-up area, bare soil, and vegetation. Supervised classification was applied to detect LULC changes observed over Lodhran district as it explains the maximum likelihood algorithm in software ERDAS imagine 15. Most farmers (46.6%) perceived that there have been extreme changes of onset of temperature, planting season, and less precipitation amount in Lodhran district in the last few years. In 2017, building areas increased (4.3%) as compared to 1977. NDVI values for Lodhran district were highest in 1977 (up to + 0.86) and lowest in 1997 (up to - 0.33). Overall accuracy for classification was 86% for 1977, 85% for 1987, 86% for 1997, 88% for 2007, and 95% for 2017. LULC change with soil types, temperature, and NDVI, NDBI, and slope classes was common in the study area, and the conversions of bare soil into vegetation area and built-up area were major changes in the past 40 years in Lodhran district. Lodhran district faces rising temperatures, less irrigation water, and low rainfall. Farmers are aware of these climatic changes and are adapting strategies to cope with the effects but require support from government.
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Affiliation(s)
- Sajjad Hussain
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Muhammad Mubeen
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan.
| | - Ashfaq Ahmad
- US-Pakistan Centre for Advanced Studies in Agriculture and Food Security, University of Agriculture, Faisalabad, Pakistan
| | - Waseem Akram
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Hafiz Mohkum Hammad
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Mazhar Ali
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Nasir Masood
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Asad Amin
- Queensland Alliance for Agriculture and Food Innovation (QAAFI), The University of Queensland, QLD, Brisbane, 4072, Australia
| | - Hafiz Umar Farid
- Department of Agricultural Engineering, Bahauddin Zakariya University, Multan, Pakistan
| | - Syeda Refat Sultana
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Shah Fahad
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China.
- Department of Agriculture, University of Swabi, Khyber Pakhtunkhwa, Pakistan.
| | - Depeng Wang
- College of Life Science, Linyi University, Linyi, 276000, Shandong, China.
| | - Wajid Nasim
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan.
- CIHEAM-Institut Agronomique Méditerranéen de Montpellier (IAMM), 3191 route de Mende, Montpellier, France.
- National Research Flagship, CSIRO Sustainable Ecosystems, Towoomba, QLD, 4350, Australia.
- Department of Agronomy, University College of Agriculture and Environmental Sciences, The Islamia University of Bahawalpur (IUB), Bahawalpur, Pakistan.
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23
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Zamin M, Fahad S, Khattak AM, Adnan M, Wahid F, Raza A, Wang D, Saud S, Noor M, Bakhat HF, Mubeen M, Hammad HM, Soliman MH, Elkelish AA, Riaz M, Nasim W. Developing the first halophytic turfgrasses for the urban landscape from native Arabian desert grass. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:39702-39716. [PMID: 31440967 DOI: 10.1007/s11356-019-06218-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Accepted: 08/15/2019] [Indexed: 06/10/2023]
Abstract
Climate change is occurring and is influencing biological systems through augmented temperatures, more inconstant precipitation, and rising CO2 in the atmosphere. For sustainable landscaping, it was essential to assess the diversity of native/wild grasses and their suitability for turf and to combat the salinity problem in the region. For this purpose, a native halophytic grass, Aeluropus lagopoides, was investigated by conducting mowing tests on its ecotypes during the year 2014-2016 under desert climatic conditions. The research was carried out in two phases, i.e. Phase-I was for collection and establishment of ecotypes from various parts of UAE, while in Phase-II, mowing tests were conducted. During mowing tests, 50 ecotypes of A. lagopoides were given various mowing treatments (i.e. they were cut back at 1-, 2-, 3-, 4- and 5-cm heights) in field conditions. Significant differences were found among various ecotypes for different agronomic parameters such as ground cover, canopy stiffness, leaf number, clippings fresh and dry weights and internode length. Overall, the grass exhibited better performance at mowing heights of 3 and 4 cm, which are the standard mowing heights for turfgrasses. Ecotypes FA5, RA3, RUDA2, RUDA7 and RUADA1 of A. lagopoides showed the best performance against mowing shock and became the candidates for the turfgrass varieties from the native Arabian flora.
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Affiliation(s)
- Muhammad Zamin
- Department of Arid land Agriculture, Faculty of Food and Agriculture, UAE University, Al Ain, UAE
- Department of Agriculture, University of Swabi, Khyber Pakhtunkhwa, Pakistan
| | - Shah Fahad
- Department of Agriculture, University of Swabi, Khyber Pakhtunkhwa, Pakistan.
| | - Abdul Mateen Khattak
- Department of Horticulture, Faculty of Crop Production Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Muhammad Adnan
- Department of Agriculture, University of Swabi, Khyber Pakhtunkhwa, Pakistan
| | - Fazli Wahid
- Department of Agriculture, University of Swabi, Khyber Pakhtunkhwa, Pakistan
| | - Ahmad Raza
- Department of Agriculture, University of Swabi, Khyber Pakhtunkhwa, Pakistan
| | - Depeng Wang
- College of Life Science, Linyi University, Linyi, 276000, Shandong, China.
| | - Shah Saud
- Department of Horticulture, Northeast Agriculture University, Harbin, China
| | - Muhammad Noor
- Department of Agriculture, Hazara University, Mansehra, Pakistan
| | - Hafiz Faiq Bakhat
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Islamabad, 61100, Pakistan
| | - Muhammad Mubeen
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Islamabad, 61100, Pakistan
| | - Hafiz Mohkum Hammad
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Islamabad, 61100, Pakistan
| | - Mona H Soliman
- Biology Department, Faculty of Science, Taibah University, El-Bahr, Yanbu, 46429, Saudi Arabia
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Amr A Elkelish
- Botany Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Muhammad Riaz
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Allama Iqbal Road, Faisalabad, Pakistan
| | - Wajid Nasim
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Islamabad, 61100, Pakistan.
- CIHEAM-Institut Agronomique Méditerranéen de Montpellier (IAMM), 3191 route de Mende, Montpellier, France.
- CSIRO Sustainable Ecosystems, National Research Flagship, Towoomba, QLD, 4350, Australia.
- Department of Agronomy, University College of Agriculture and Environmental Sciences, The Islamia University of Bahawalpur (IUB), Bahawalpur, Pakistan.
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24
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Xiao S, Liu L, Zhang Y, Sun H, Zhang K, Bai Z, Dong H, Liu Y, Li C. Tandem mass tag-based (TMT) quantitative proteomics analysis reveals the response of fine roots to drought stress in cotton (Gossypium hirsutum L.). BMC PLANT BIOLOGY 2020; 20:328. [PMID: 32652934 PMCID: PMC7353779 DOI: 10.1186/s12870-020-02531-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Accepted: 06/26/2020] [Indexed: 05/29/2023]
Abstract
BACKGROUND Cotton (Gossypium hirsutum L.) is one of the most important cash crops worldwide. Fine roots are the central part of the root system that contributes to plant water and nutrient uptake. However, the mechanisms underlying the response of cotton fine roots to soil drought remains unclear. To elucidate the proteomic changes in fine roots of cotton plants under drought stress, 70-75% and 40-45% soil relative water content treatments were imposed on control (CK) and drought stress (DS) groups, respectively. Then, tandem mass tags (TMT) technology was used to determine the proteome profiles of fine root tissue samples. RESULTS Drought significantly decreased the value of average root diameter of cotton seedlings, whereas the total root length and the activities of antioxidases were increased. To study the molecular mechanisms underlying drought response further, the proteome differences between tissues under CK and DS treatments were compared pairwise at 0, 30, and 45 DAD (days after drought stress). In total, 118 differentially expressed proteins (DEPs) were up-regulated and 105 were down-regulated in the 'DS30 versus CK30' comparison; 662 DEPs were up-regulated, and 611 were down-regulated in the 'DS45 versus CK45' comparison. The functions of these DEPs were classified according to their pathways. Under early stage drought (30 DAD), some DEPs involved in the 'Cutin, suberin, and wax synthesis' pathway were up-regulated, while the down-regulated DEPs were mainly enriched within the 'Monoterpenoid biosynthesis' pathway. Forty-five days of soil drought had a greater impact on DEPs involved in metabolism. Many proteins involving 'Carbohydrate metabolism,' 'Energy metabolism,' 'Fatty acid metabolism,' 'Amino acid metabolism,' and 'Secondary metabolite biosynthesis' were identified as DEPs. Additionally, proteins related to ion transport, stress/defense, and phytohormones were also shown to play roles in determining the fine root growth of cotton plants under drought stress. CONCLUSIONS Our study identified potential biological pathways and drought-responsive proteins related to stress/defense responses and plant hormone metabolism under drought stress. Collectively, our results provide new insights for further improving drought tolerance in cotton and other crops.
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Affiliation(s)
- Shuang Xiao
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China
| | - Liantao Liu
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China
| | - Yongjiang Zhang
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China
| | - Hongchun Sun
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China
| | - Ke Zhang
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China
| | - Zhiying Bai
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China
| | - Hezhong Dong
- Cotton Research Center/ Key Laboratory of Cotton Breeding and Cultivation in Huang-huai-hai Plain, Ministry of Agriculture, Shandong Academy of Agricultural Sciences, Jinan, 250100, Shandong, China
| | - Yuchun Liu
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China
| | - Cundong Li
- College of Agronomy, Hebei Agricultural University/ State Key Laboratory of North China Crop Improvement and Regulation / Key Laboratory of Crop Growth Regulation of HeBei Province, Baoding, 071001, Hebei, China.
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25
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Sikder RK, Wang X, Zhang H, Gui H, Dong Q, Jin D, Song M. Nitrogen Enhances Salt Tolerance by Modulating the Antioxidant Defense System and Osmoregulation Substance Content in Gossypium hirsutum. PLANTS (BASEL, SWITZERLAND) 2020; 9:E450. [PMID: 32260233 PMCID: PMC7238023 DOI: 10.3390/plants9040450] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 03/29/2020] [Accepted: 03/29/2020] [Indexed: 02/03/2023]
Abstract
Increasing soil salinity suppresses both productivity and fiber quality of cotton, thus, an appropriate management approach needs to be developed to lessen the detrimental effect of salinity stress. This study assessed two cotton genotypes with different salt sensitivities to investigate the possible role of nitrogen supplementation at the seedling stage. Salt stress induced by sodium chloride (NaCl, 200 mmol·L-1) decreased the growth traits and dry mass production of both genotypes. Nitrogen supplementation increased the plant water status, photosynthetic pigment synthesis, and gas exchange attributes. Addition of nitrogen to the saline media significantly decreased the generation of lethal oxidative stress biomarkers such as hydrogen peroxide, lipid peroxidation, and electrolyte leakage ratio. The activity of the antioxidant defense system was upregulated in both saline and non-saline growth media as a result of nitrogen application. Furthermore, nitrogen supplementation enhanced the accumulation of osmolytes, such as soluble sugars, soluble proteins, and free amino acids. This established the beneficial role of nitrogen by retaining additional osmolality to uphold the relative water content and protect the photosynthetic apparatus, particularly in the salt-sensitive genotype. In summary, nitrogen application may represent a potential strategy to overcome the salinity-mediated impairment of cotton to some extent.
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Affiliation(s)
- Ripon Kumar Sikder
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; (R.K.S.); (X.W.); (H.Z.); (H.G.); (Q.D.); (D.J.)
| | - Xiangru Wang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; (R.K.S.); (X.W.); (H.Z.); (H.G.); (Q.D.); (D.J.)
| | - Hengheng Zhang
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; (R.K.S.); (X.W.); (H.Z.); (H.G.); (Q.D.); (D.J.)
| | - Huiping Gui
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; (R.K.S.); (X.W.); (H.Z.); (H.G.); (Q.D.); (D.J.)
| | - Qiang Dong
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; (R.K.S.); (X.W.); (H.Z.); (H.G.); (Q.D.); (D.J.)
| | - Dingsha Jin
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; (R.K.S.); (X.W.); (H.Z.); (H.G.); (Q.D.); (D.J.)
| | - Meizhen Song
- State Key Laboratory of Cotton Biology, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Henan, China; (R.K.S.); (X.W.); (H.Z.); (H.G.); (Q.D.); (D.J.)
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China
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26
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Akram R, Natasha, Fahad S, Hashmi MZ, Wahid A, Adnan M, Mubeen M, Khan N, Rehmani MIA, Awais M, Abbas M, Shahzad K, Ahmad S, Hammad HM, Nasim W. Trends of electronic waste pollution and its impact on the global environment and ecosystem. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:16923-16938. [PMID: 31025281 DOI: 10.1007/s11356-019-04998-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Accepted: 03/26/2019] [Indexed: 06/09/2023]
Abstract
Electronic waste (e-waste) is used for all electronic/electrical devices which are no more used. Conventionally, waste management policies are desfighandle the traditional waste. Although e-waste contains toxic materials, however, its management is rarely focused by policy makers; therefore, its negative impact on the global environment, ecosystem, and human health is aggravated. The review outlines the categories of e-waste materials, major pollutants including ferrous/non-ferrous metals, plastics, glass, printed circuit boards, cement, ceramic, and rubber beside, some valuable metals (such as copper, silver, gold, platinum). Toxic elements from e-waste materials, released in the air, water, and soil, include arsenic, cadmium, chromium, mercury, and lead, causing pollution. Although their roles in biological systems are poorly identified, however, they possess significant toxic and carcinogenic potential. It is therefore critical to monitor footprint and device strategies to address e-waste-linked issues from manufacturing, exportation, to ultimate dumping, including technology transmissions for its recycling. This review traces a plausible link among e-waste condition at a worldwide dimension, as far as settlement procedures to keep it secure and carefully monitored when traded. Their fate in the three spheres of the earth, i.e., water, soil, and air, impacts human health. The strategies and regulation to handle e-waste generation at the global level have been discussed. Graphical abstract .
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Affiliation(s)
- Rida Akram
- Department of Environmental Sciences, COMSATS University Islamabad (CUI), Vehari, 61100, Pakistan
| | - Natasha
- Department of Environmental Sciences, COMSATS University Islamabad (CUI), Vehari, 61100, Pakistan
| | - Shah Fahad
- Department of Agriculture, The University of Swabi, Ambar, KPK, Pakistan.
| | | | - Abdul Wahid
- Department of Environmental Sciences, Bhauddin Zakerya University, Multan, Pakistan
| | - Muhammad Adnan
- Department of Agriculture, The University of Swabi, Ambar, KPK, Pakistan
| | - Muhammad Mubeen
- Department of Environmental Sciences, COMSATS University Islamabad (CUI), Vehari, 61100, Pakistan
| | - Naeem Khan
- Department of Plant Science, Quaid-i-Azam University, Islamabad, Pakistan
| | | | - Muhammadd Awais
- Department of Agronomy, University of Agriculture Faisalabad, Faisalabad, 38040, Pakistan
| | - Mazhar Abbas
- Department of Management Sciences, COMSATS University Islamabad, Vehari Campus, Vehari, 61100, Pakistan
| | - Khurram Shahzad
- Central Cotton Research Institute (CCRI), Multan, Pakistan
- Department of Agronomy, Muhammad Nawaz Shareef University of Agriculture (MNSUA), Multan, Pakistan
| | - Shakeel Ahmad
- Department of Agronomy, Bhauddin Zakerya University, Multan, Pakistan
| | - Hafiz Mohkum Hammad
- Department of Environmental Sciences, COMSATS University Islamabad (CUI), Vehari, 61100, Pakistan
| | - Wajid Nasim
- Department of Environmental Sciences, COMSATS University Islamabad (CUI), Vehari, 61100, Pakistan.
- Department of Agronomy, University College of Agriculture and Environmental Sciences, The Islamia University of Bahawalpur (IUB), Bahawalpur, Pakistan.
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Zamin M, Khattak AM, Salim AM, Marcum KB, Shakur M, Shah S, Jan I, Fahad S. Performance of Aeluropus lagopoides (mangrove grass) ecotypes, a potential turfgrass, under high saline conditions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:13410-13421. [PMID: 30905018 DOI: 10.1007/s11356-019-04838-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 03/08/2019] [Indexed: 06/09/2023]
Abstract
Climate change has become a real threat, and its impacts are being felt throughout the world. Temperature is considered one of the significant elements by the recent consequences of climate change and global warming, specially the salinity which is increased at higher temperature. Turfgrasses are adversely affected due to an increasing trend in salinity. The main aim of this investigation was to find out salt-tolerant ecotypes from native species of UAE to mitigate the salinity problem. Performance of a native grass, Aeluropus lagopoides, was investigated under high saline conditions during the year 2014 under the UAE climatic conditions. The experiment was planned under randomised complete block design (RCBD) with two factors and four replications. During the experiment, 50 ecotypes of Aeluropus lagopoides, alongside Paspalum vaginatum (as control), were tested at different salt levels, i.e. 0, 15, 30, 45, 60 and 75 dSm-1. Significant differences were found among various ecotypes as well as salinity levels for different agronomic traits including green cover, canopy stiffness, leaf colour and salinity of leaf rinseates. Most of the ecotypes tolerated salinity up to 30 dSm-1, maintaining the quality, but beyond this level the quality declined. However, some of the ecotypes survived under high salinity, even beyond sea level (75 dSm-1). All the ecotypes, except RUA2, RUA3 and RUA1, showed better performance than P. vaginatum, the prevailing commercial turfgrass in the UAE. Based on their performance, the ecotypes RUDA7, FA5, RA3, RUDA2 and RA2 could be used for turf purposes under saline conditions.
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Affiliation(s)
- Muhammad Zamin
- Department of Arid Land Agriculture, Faculty of Food and Agriculture, UAE University, Al Ain, UAE
| | - Abdul Mateen Khattak
- Department of Horticulture, Faculty of Crop Production Sciences, The University of Agriculture, Peshawar, Pakistan
| | - Abdul Mohsin Salim
- Department of Arid Land Agriculture, Faculty of Food and Agriculture, UAE University, Al Ain, UAE
| | - Kenneth B Marcum
- Department of Arid Land Agriculture, Faculty of Food and Agriculture, UAE University, Al Ain, UAE
| | - Muhammad Shakur
- Department of Plant Protection, The University of Agriculture, Peshawar, Pakistan
| | - Shahen Shah
- Department of Agronomy, The University of Agriculture, Peshawar, Pakistan
| | - Ibadullah Jan
- Department of Agriculture, University of Swabi, Swabi, Khyber Pakhtunkhwa, Pakistan
| | - Shah Fahad
- Department of Agriculture, University of Swabi, Swabi, Khyber Pakhtunkhwa, Pakistan.
- College of Plant Science and Technology, Huazhong Agriculture University, Wuhan, China.
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28
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Zörb C, Geilfus CM, Dietz KJ. Salinity and crop yield. PLANT BIOLOGY (STUTTGART, GERMANY) 2019; 21 Suppl 1:31-38. [PMID: 30059606 DOI: 10.1111/plb.12884] [Citation(s) in RCA: 215] [Impact Index Per Article: 43.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 07/27/2018] [Indexed: 05/18/2023]
Abstract
Thirty crop species provide 90% of our food, most of which display severe yield losses under moderate salinity. Securing and augmenting agricultural yield in times of global warming and population increase is urgent and should, aside from ameliorating saline soils, include attempts to increase crop plant salt tolerance. This short review provides an overview of the processes that limit growth and yield in saline conditions. Yield is reduced if soil salinity surpasses crop-specific thresholds, with cotton, barley and sugar beet being highly tolerant, while sweet potato, wheat and maize display high sensitivity. Apart from Na+ , also Cl- , Mg2+ , SO4 2- or HCO3 - contribute to salt toxicity. The inhibition of biochemical or physiological processes cause imbalance in metabolism and cell signalling and enhance the production of reactive oxygen species interfering with cell redox and energy state. Plant development and root patterning is disturbed, and this response depends on redox and reactive oxygen species signalling, calcium and plant hormones. The interlink of the physiological understanding of tolerance processes from molecular processes as well as the agronomical techniques for stabilizing growth and yield and their interlinks might help improving our crops for future demand and will provide improvement for cultivating crops in saline environment.
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Affiliation(s)
- C Zörb
- Institute of Crop Science, University of Hohenheim, Stuttgart, Germany
| | - C-M Geilfus
- Albrecht Daniel Thaer-Institute of Agricultural and Horticultural Sciences, Division of Controlled Environment Horticulture, Humboldt Universität Berlin, Berlin, Germany
| | - K-J Dietz
- Biochemistry and Physiology of Plants, Universität Bielefeld, Bielefeld, Germany
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Khan A, Pan X, Najeeb U, Tan DKY, Fahad S, Zahoor R, Luo H. Coping with drought: stress and adaptive mechanisms, and management through cultural and molecular alternatives in cotton as vital constituents for plant stress resilience and fitness. Biol Res 2018; 51:47. [PMID: 30428929 PMCID: PMC6234603 DOI: 10.1186/s40659-018-0198-z] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 11/07/2018] [Indexed: 12/18/2022] Open
Abstract
Increased levels of greenhouse gases in the atmosphere and associated climatic variability is primarily responsible for inducing heat waves, flooding and drought stress. Among these, water scarcity is a major limitation to crop productivity. Water stress can severely reduce crop yield and both the severity and duration of the stress are critical. Water availability is a key driver for sustainable cotton production and its limitations can adversely affect physiological and biochemical processes of plants, leading towards lint yield reduction. Adaptation of crop husbandry techniques suitable for cotton crop requires a sound understanding of environmental factors, influencing cotton lint yield and fiber quality. Various defense mechanisms e.g. maintenance of membrane stability, carbon fixation rate, hormone regulation, generation of antioxidants and induction of stress proteins have been found play a vital role in plant survival under moisture stress. Plant molecular breeding plays a functional role to ascertain superior genes for important traits and can offer breeder ready markers for developing ideotypes. This review highlights drought-induced damage to cotton plants at structural, physiological and molecular levels. It also discusses the opportunities for increasing drought tolerance in cotton either through modern gene editing technology like clustered regularly interspaced short palindromic repeat (CRISPR/Cas9), zinc finger nuclease, molecular breeding as well as through crop management, such as use of appropriate fertilization, growth regulator application and soil amendments.
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Affiliation(s)
- Aziz Khan
- The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Group, Shihezi University, Shihezi, 832003 People’s Republic of China
- Key Laboratory of Plant Genetic and Breeding, College of Agriculture, Guangxi University, Nanning, 530005 People’s Republic of China
| | - Xudong Pan
- The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Group, Shihezi University, Shihezi, 832003 People’s Republic of China
| | - Ullah Najeeb
- Queensland Alliance for Agriculture and Food Innovation, Centre for Plant Science, The University of Queensland, Toowoomba, QLD 4350 Australia
- Plant Breeding Institute, Sydney Institute of Agriculture, School of Life and Environmental Faculty of Science, The University of Sydney, Sydney, NSW 2006 Australia
| | - Daniel Kean Yuen Tan
- Plant Breeding Institute, Sydney Institute of Agriculture, School of Life and Environmental Faculty of Science, The University of Sydney, Sydney, NSW 2006 Australia
| | - Shah Fahad
- Department of Plant Sciences and Technology, Huazhong Agriculture University, Wuhan, 430000 People’s Republic of China
- Department of Agronomy, The University of Swabi, Swabi, Pakistan
- College of Life Science, Linyi University, Linyi, 276000 Shandong China
| | - Rizwan Zahoor
- Key Laboratory of Crop Growth Regulation, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095 People’s Republic of China
| | - Honghai Luo
- The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Group, Shihezi University, Shihezi, 832003 People’s Republic of China
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30
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Wang YH, Gao J, Sun MF, Chen JP, Zhang X, Chen Y, Chen DH. Impacts of soil salinity on Bt protein concentration in square of transgenic Bt cotton. PLoS One 2018; 13:e0207013. [PMID: 30403755 PMCID: PMC6221344 DOI: 10.1371/journal.pone.0207013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Accepted: 10/23/2018] [Indexed: 11/18/2022] Open
Abstract
Insect-resistance of transgenic Bacillus thuringiensis (Bt) cotton varies among plants organs and with different environmental conditions. The objective of this study was to examine the influence of soil salinity on Bt protein concentration in cotton squares and to elucidate the potential mechanism of Bt efficacy reduction. Two cotton cultivars (NuCOTN 33B and CCRI 07, salt-sensitive and salt-tolerant) were subjected to salinity stress under four natural saline levels in field conditions in 2015 and 2016 and seven regimes of soil salinity ranged from 0.5 to 18.8 dS m-1 in greenhouse conditions in 2017. Results of field studies revealed that Bt protein content was not significantly changed at 7.13 dS m-1 salinity, but exhibited a significant drop at the 10.41 and 14.16 dS m-1 salinity. The greenhouse experiments further showed similar trends that significant declines of the insecticidal protein contents in squares were detected when soil salinity exceeded 9.1 dS m-1. Meanwhile, high salinity resulted in significant reduction in contents of soluble protein and total nitrogen, activities of nitrate reductase (NR), glutamine synthetase (GS) and glutamic-pyruvic transaminase (GPT), but increased amino acid content, activities of protease and peptidase in cotton squares. High salinity also decreased root vigor (RV), root total absorption area (RTA) and root active absorption area (RAA). The extent of decrease of Bt protein content was more pronounced in NuCOTN 33B than CCRI 07, and CCRI07 exhibited stronger enzymes activities involved in square protein synthesis and higher levels of RV, RTA and RAA. Therefore, the results of our present study indicated that insecticidal protein expression in cotton squares were significantly affected by higher salinity (equal to or higher than 9.1 dS m-1), reduced protein synthesis and increased protein degradation in squares and reduced metabolic activities in roots might lead to the decrease of Bt protein content in squares.
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Affiliation(s)
- Yong-Hui Wang
- Institute of Agricultural Sciences of Jiangsu Coastal Area, Observation and Experimental Station of Saline Land of Costal Area, Ministry of Agriculture, Yancheng, P. R. China
- Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou, P. R. China
| | - Jin Gao
- Institute of Agricultural Sciences of Jiangsu Coastal Area, Observation and Experimental Station of Saline Land of Costal Area, Ministry of Agriculture, Yancheng, P. R. China
| | - Ming-Fa Sun
- Institute of Agricultural Sciences of Jiangsu Coastal Area, Observation and Experimental Station of Saline Land of Costal Area, Ministry of Agriculture, Yancheng, P. R. China
| | - Jian-Ping Chen
- Institute of Agricultural Sciences of Jiangsu Coastal Area, Observation and Experimental Station of Saline Land of Costal Area, Ministry of Agriculture, Yancheng, P. R. China
| | - Xiang Zhang
- Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou, P. R. China
| | - Yuan Chen
- Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou, P. R. China
| | - De-Hua Chen
- Key Laboratory of Crop Genetics and Physiology of Jiangsu Province, Yangzhou University, Yangzhou, P. R. China
- * E-mail:
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31
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Zhang H, Khan A, Tan DKY, Luo H. Rational Water and Nitrogen Management Improves Root Growth, Increases Yield and Maintains Water Use Efficiency of Cotton under Mulch Drip Irrigation. FRONTIERS IN PLANT SCIENCE 2017; 8:912. [PMID: 28611817 PMCID: PMC5447759 DOI: 10.3389/fpls.2017.00912] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2016] [Accepted: 05/15/2017] [Indexed: 05/07/2023]
Abstract
There is a need to optimize water-nitrogen (N) applications to increase seed cotton yield and water use efficiency (WUE) under a mulch drip irrigation system. This study evaluated the effects of four water regimes [moderate drip irrigation from the third-leaf to the boll-opening stage (W1), deficit drip irrigation from the third-leaf to the flowering stage and sufficient drip irrigation thereafter (W2), pre-sowing and moderate drip irrigation from the third-leaf to the boll-opening stage (W3), pre-sowing and deficit drip irrigation from the third-leaf to the flowering stage and sufficient drip irrigation thereafter (W4)] and N fertilizer at a rate of 520 kg ha-1 in two dressing ratios [7:3 (N1), 2:8 (N2)] on cotton root morpho-physiological attributes, yield, WUE and the relationship between root distribution and dry matter production. Previous investigations have shown a strong correlation between root activity and water consumption in the 40-120 cm soil layer. The W3 and especially W4 treatments significantly increased root length density (RLD), root volume density (RVD), root mass density (RMD), and root activity in the 40-120 cm soil layer. Cotton RLD, RVD, RMD was decreased by 13.1, 13.3, and 20.8%, respectively, in N2 compared with N1 at 70 days after planting (DAP) in the 0-40 cm soil layer. However, root activity in the 40-120 cm soil layer at 140 DAP was 31.6% higher in N2 than that in N1. Total RMD, RLD and root activity in the 40-120 cm soil were significantly and positively correlated with shoot dry weight. RLD and root activity in the 40-120 cm soil layer was highest in the W4N2 treatments. Therefore increased water consumption in the deep soil layers resulted in increased shoot dry weight, seed cotton yield and WUE. Our data can be used to develop a water-N management strategy for optimal cotton yield and high WUE.
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Affiliation(s)
- Hongzhi Zhang
- The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Group, Shihezi UniversityShihezi, China
- Research Institute of Nuclear and Biological Technologies, Xinjiang Academy of Agricultural SciencesUrumqi, China
| | - Aziz Khan
- The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Group, Shihezi UniversityShihezi, China
| | - Daniel K. Y. Tan
- Faculty of Science, Plant Breeding Institute, Sydney Institute of Agriculture, School of Life and Environmental Sciences, The University of Sydney, SydneyNSW, Australia
| | - Honghai Luo
- The Key Laboratory of Oasis Eco-agriculture, Xinjiang Production and Construction Group, Shihezi UniversityShihezi, China
- *Correspondence: Honghai Luo,
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