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Gupta A, Singh UB, Sahu PK, Paul S, Kumar A, Malviya D, Singh S, Kuppusamy P, Singh P, Paul D, Rai JP, Singh HV, Manna MC, Crusberg TC, Kumar A, Saxena AK. Linking Soil Microbial Diversity to Modern Agriculture Practices: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19053141. [PMID: 35270832 DOI: 10.3390/ijerph190531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 05/28/2023]
Abstract
Agriculture is a multifarious interface between plants and associated microorganisms. In contemporary agriculture, emphasis is being given to environmentally friendly approaches, particularly in developing countries, to enhance sustainability of the system with the least negative effects on produce quality and quantity. Modern agricultural practices such as extensive tillage, the use of harmful agrochemicals, mono-cropping, etc. have been found to influence soil microbial community structure and soil sustainability. On the other hand, the question of feeding the ever-growing global population while ensuring system sustainability largely remains unanswered. Agriculturally important microorganisms are envisaged to play important roles in various measures to raise a healthy and remunerative crop, including integrated nutrient management, as well as disease and pest management to cut down agrochemicals without compromising the agricultural production. These beneficial microorganisms seem to have every potential to provide an alternative opportunity to overcome the ill effects of various components of traditional agriculture being practiced by and large. Despite an increased awareness of the importance of organically produced food, farmers in developing countries still tend to apply inorganic chemical fertilizers and toxic chemical pesticides beyond the recommended doses. Nutrient uptake enhancement, biocontrol of pests and diseases using microbial inoculants may replace/reduce agrochemicals in agricultural production system. The present review aims to examine and discuss the shift in microbial population structure due to current agricultural practices and focuses on the development of a sustainable agricultural system employing the tremendous untapped potential of the microbial world.
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Affiliation(s)
- Amrita Gupta
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Udai B Singh
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Pramod K Sahu
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Surinder Paul
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Adarsh Kumar
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Deepti Malviya
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Shailendra Singh
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Pandiyan Kuppusamy
- ICAR-Central Institute for Research on Cotton Technology, Ginning Training Centre, Nagpur 440023, India
| | - Prakash Singh
- Department of Plant Breeding and Genetics, Veer Kunwar Singh College of Agriculture, Bihar Agricultural University, Dumraon 802136, India
| | - Diby Paul
- Pilgram Marpeck School of Science, Technology, Engineering and Mathematics, Truett McConnel University, 100 Alumni Dr., Cleveland, GA 30528, USA
| | - Jai P Rai
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Harsh V Singh
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
| | - Madhab C Manna
- Soil Biology Division, ICAR-Indian Institute of Soil Science, Nabibagh, Berasia Road, Bhopal 462038, India
| | - Theodore C Crusberg
- Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01605, USA
| | - Arun Kumar
- Department of Agronomy, Bihar Agricultural University, Sabour, Bhagalpur 813210, India
| | - Anil K Saxena
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India
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Gupta A, Singh UB, Sahu PK, Paul S, Kumar A, Malviya D, Singh S, Kuppusamy P, Singh P, Paul D, Rai JP, Singh HV, Manna MC, Crusberg TC, Kumar A, Saxena AK. Linking Soil Microbial Diversity to Modern Agriculture Practices: A Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:3141. [PMID: 35270832 PMCID: PMC8910389 DOI: 10.3390/ijerph19053141] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 12/01/2022]
Abstract
Agriculture is a multifarious interface between plants and associated microorganisms. In contemporary agriculture, emphasis is being given to environmentally friendly approaches, particularly in developing countries, to enhance sustainability of the system with the least negative effects on produce quality and quantity. Modern agricultural practices such as extensive tillage, the use of harmful agrochemicals, mono-cropping, etc. have been found to influence soil microbial community structure and soil sustainability. On the other hand, the question of feeding the ever-growing global population while ensuring system sustainability largely remains unanswered. Agriculturally important microorganisms are envisaged to play important roles in various measures to raise a healthy and remunerative crop, including integrated nutrient management, as well as disease and pest management to cut down agrochemicals without compromising the agricultural production. These beneficial microorganisms seem to have every potential to provide an alternative opportunity to overcome the ill effects of various components of traditional agriculture being practiced by and large. Despite an increased awareness of the importance of organically produced food, farmers in developing countries still tend to apply inorganic chemical fertilizers and toxic chemical pesticides beyond the recommended doses. Nutrient uptake enhancement, biocontrol of pests and diseases using microbial inoculants may replace/reduce agrochemicals in agricultural production system. The present review aims to examine and discuss the shift in microbial population structure due to current agricultural practices and focuses on the development of a sustainable agricultural system employing the tremendous untapped potential of the microbial world.
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Affiliation(s)
- Amrita Gupta
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Udai B. Singh
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Pramod K. Sahu
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Surinder Paul
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Adarsh Kumar
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Deepti Malviya
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Shailendra Singh
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Pandiyan Kuppusamy
- ICAR-Central Institute for Research on Cotton Technology, Ginning Training Centre, Nagpur 440023, India;
| | - Prakash Singh
- Department of Plant Breeding and Genetics, Veer Kunwar Singh College of Agriculture, Bihar Agricultural University, Dumraon 802136, India;
| | - Diby Paul
- Pilgram Marpeck School of Science, Technology, Engineering and Mathematics, Truett McConnel University, 100 Alumni Dr., Cleveland, GA 30528, USA;
| | - Jai P. Rai
- Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India
| | - Harsh V. Singh
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
| | - Madhab C. Manna
- Soil Biology Division, ICAR-Indian Institute of Soil Science, Nabibagh, Berasia Road, Bhopal 462038, India;
| | - Theodore C. Crusberg
- Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA 01605, USA;
| | - Arun Kumar
- Department of Agronomy, Bihar Agricultural University, Sabour, Bhagalpur 813210, India;
| | - Anil K. Saxena
- Plant-Microbe Interaction and Rhizosphere Biology Lab, ICAR-National Bureau of Agriculturally Important Microorganisms, Maunath Bhanjan 275103, India; (A.G.); (U.B.S.); (P.K.S.); (S.P.); (A.K.); (D.M.); (S.S.); (H.V.S.); (A.K.S.)
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Meyer M, Diehl D, Schaumann GE, Muñoz K. Agricultural mulching and fungicides-impacts on fungal biomass, mycotoxin occurrence, and soil organic matter decomposition. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:36535-36550. [PMID: 33704638 PMCID: PMC8277611 DOI: 10.1007/s11356-021-13280-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
Plastic and straw coverage (PC and SC) are often combined with fungicide application but their influence on fungicide entry into soil and the resulting consequences for soil quality are still unknown. The objective of this study was to investigate the impact of PC and SC, combined with fungicide application, on soil residual concentrations of fungicides (fenhexamid, cyprodinil, and fludioxonil), soil fungal biomass, mycotoxin occurrence, and soil organic matter (SOM) decomposition, depending on soil depth (0-10, 10-30, 30-60 cm) and time (1 month prior to fungicide application and respectively 1 week, 5 weeks, and 4 months afterwards). Soil analyses comprised fungicides, fusarium mycotoxins (deoxynivalenol, 15-acetyldeoxynivalenol, nivalenol, and zearalenone), ergosterol, soil microbial carbon and nitrogen, soil organic carbon, dissolved organic carbon, and pH. Fludioxonil and cyprodinil concentrations were higher under SC than under PC 1 week and 5 weeks after fungicide application (up to three times in the topsoil) but no differences were observed anymore after 4 months. Fenhexamid was not detected, presumably because of its fast dissipation in soil. The higher fludioxonil and cyprodinil concentrations under SC strongly reduced the fungal biomass and shifted microbial community towards larger bacterial fraction in the topsoil and enhanced the abundance and concentration of deoxynivalenol and 15-acetyldeoxynivalenol 5 weeks after fungicide application. Independent from the different fungicide concentrations, the decomposition of SOM was temporarily reduced after fungicide application under both coverage types. However, although PC and SC caused different concentrations of fungicide residues in soil, their impact on the investigated soil parameters was minor and transient (< 4 months) and hence not critical for soil quality.
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Affiliation(s)
- Maximilian Meyer
- iES Landau, Institute for Environmental Sciences Landau, Group of Environmental and Soil Chemistry, University Koblenz-Landau, Landau, Germany
| | - Dörte Diehl
- iES Landau, Institute for Environmental Sciences Landau, Group of Environmental and Soil Chemistry, University Koblenz-Landau, Landau, Germany
| | - Gabriele Ellen Schaumann
- iES Landau, Institute for Environmental Sciences Landau, Group of Environmental and Soil Chemistry, University Koblenz-Landau, Landau, Germany.
| | - Katherine Muñoz
- iES Landau, Institute for Environmental Sciences Landau, Group of Environmental and Soil Chemistry, University Koblenz-Landau, Landau, Germany
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Acer S, Demir E, İnam R. Square wave voltammetric determination of pencycuron fungicide and application to commercial formulation. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2020. [DOI: 10.1007/s11694-020-00457-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Abstract
The World Health Organization (WHO) states that in developing nations, there are three million cases of agrochemical poisoning. The prolonged intensive and indiscriminate use of agrochemicals adversely affected the soil biodiversity, agricultural sustainability, and food safety, bringing in long-term harmful effects on nutritional security, human and animal health. Most of the agrochemicals negatively affect soil microbial functions and biochemical processes. The alteration in diversity and composition of the beneficial microbial community can be unfavorable to plant growth and development either by reducing nutrient availability or by increasing disease incidence. Currently, there is a need for qualitative, innovative, and demand-driven research in soil science, especially in developing countries for facilitating of high-quality eco-friendly research by creating a conducive and trustworthy work atmosphere, thereby rewarding productivity and merits. Hence, we reviewed (1) the impact of various agrochemicals on the soil microbial diversity and environment; (2) the importance of smallholder farmers for sustainable crop protection and enhancement solutions, and (3) management strategies that serve the scientific community, policymakers, and land managers in integrating soil enhancement and sustainability practices in smallholder farming households. The current review provides an improved understanding of agricultural soil management for food and nutritional security.
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Singh P, Mazumdar P, Harikrishna JA, Babu S. Sheath blight of rice: a review and identification of priorities for future research. PLANTA 2019; 250:1387-1407. [PMID: 31346804 DOI: 10.1007/s00425-019-03246-8] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 07/20/2019] [Indexed: 05/04/2023]
Abstract
Rice sheath blight research should prioritise optimising biological control approaches, identification of resistance gene mechanisms and application in genetic improvement and smart farming for early disease detection. Rice sheath blight, caused by Rhizoctonia solani AG1-1A, is one of the most devasting diseases of the crop. To move forward with effective crop protection against sheath blight, it is important to review the published information related to pathogenicity and disease management and to determine areas of research that require deeper study. While progress has been made in the identification of pathogenesis-related genes both in rice and in the pathogen, the mechanisms remain unclear. Research related to disease management practices has addressed the use of agronomic practices, chemical control, biological control and genetic improvement: Optimising nitrogen fertiliser use in conjunction with plant spacing can reduce spread of infection while smart agriculture technologies such as crop monitoring with Unmanned Aerial Systems assist in early detection and management of sheath blight disease. Replacing older fungicides with natural fungicides and use of biological agents can provide effective sheath blight control, also minimising environmental impact. Genetic approaches that show promise for the control of sheath blight include treatment with exogenous dsRNA to silence pathogen gene expression, genome editing to develop rice lines with lower susceptibility to sheath blight and development of transgenic rice lines overexpressing or silencing pathogenesis related genes. The main challenges that were identified for effective crop protection against sheath blight are the adaptive flexibility of the pathogen, lack of resistant rice varieties, abscence of single resistance genes for use in breeding and low access of farmers to awareness programmes for optimal management practices.
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Affiliation(s)
- Pooja Singh
- Centre for Research in Biotechnology for Agriculture, University of Malaya, 50603, Kuala Lumpur, Malaysia.
| | - Purabi Mazumdar
- Centre for Research in Biotechnology for Agriculture, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Jennifer Ann Harikrishna
- Centre for Research in Biotechnology for Agriculture, University of Malaya, 50603, Kuala Lumpur, Malaysia
- Faculty of Science, Institute of Biological Sciences, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Subramanian Babu
- VIT School of Agricultural Innovations and Advanced Learning, VIT University, Vellore, Tamil Nadu, 632014, India
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Zhang M, Wang W, Wang J, Teng Y, Xu Z. Dynamics of biochemical properties associated with soil nitrogen mineralization following nitrification inhibitor and fungicide applications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:11340-11348. [PMID: 28303541 DOI: 10.1007/s11356-017-8762-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Accepted: 03/07/2017] [Indexed: 06/06/2023]
Abstract
Agrochemical applications may have side effects on soil biochemical properties related to soil nitrogen (N) mineralization and thus affect N cycling. The present study aimed to evaluate the effects of nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) and fungicide iprodione on soil neutral protease (NPR), alkaline protease (APR), chitinase (CHI), and their functional genes (nprA, aprA, and chiA) related to soil N mineralization. The following four treatments were included: blank control (CK), single DMPP application (DAA), weekly iprodione applications (IPR), and the combined applications of DMPP and iprodione (DI). Compared with the CK treatment, DMPP application significantly inhibited the CHI activity in the first 14 days of incubation, and iprodione applications, particularly when applied alone, decreased the NPR, APR, and CHI activities. Relative to the IPR treatment, extra DMPP application had the potential to alleviate the inhibitory effects of iprodione on the activities of these enzymes. DMPP application significantly increased aprA gene abundances after 14 days of incubation. However, repeated iprodione applications, alone or with the DMPP, decreased nprA and chiA gene abundances. Relative to the CK treatment, DMPP application generated negligible effects on the positive/negative correlations between soil enzyme activities and the corresponding functional gene abundances. However, the positive correlation between the CHI activity and chiA gene abundance was changed to negative correlation by repeated iprodione applications, alone or together with the DMPP. Our results demonstrated that agrochemical applications, particularly repeated fungicide applications, can have inadvertent effects on enzyme activities and functional gene abundances associated with soil N mineralization.
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Affiliation(s)
- Manyun Zhang
- Environmental Futures Research Institute, School of Natural Sciences, Griffith University, Brisbane, QLD, 4111, Australia.
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
| | - Weijin Wang
- Environmental Futures Research Institute, School of Natural Sciences, Griffith University, Brisbane, QLD, 4111, Australia
- Department of Science, Information Technology and Innovation, Dutton Park, QLD, 4102, Australia
| | - Jun Wang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China
- Chongqing Research Academy of Environmental Sciences, Chongqing, 401147, China
| | - Ying Teng
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, 210008, China.
| | - Zhihong Xu
- Environmental Futures Research Institute, School of Natural Sciences, Griffith University, Brisbane, QLD, 4111, Australia.
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Sułowicz S, Piotrowska-Seget Z. Response of microbial communities from an apple orchard and grassland soils to the first-time application of the fungicide tetraconazole. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 124:193-201. [PMID: 26524652 DOI: 10.1016/j.ecoenv.2015.10.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Revised: 10/19/2015] [Accepted: 10/20/2015] [Indexed: 05/25/2023]
Abstract
The aim of the study was to assess the impact of the triazole fungicide tetraconazole applied at the field rate (FR) and at ten-fold the FR (10FR) on microorganisms in orchard soil with a long-term history of fungicides application and in grassland soil that had not previously been treated with pesticides. To ascertain this impact, the microbial activity determined by fluorescein diacetate (FDA) hydrolysis, the culturable number of bacteria, fungi and tetraconazole-resistant fungi, and the phospholipid microbial biomass and the structural and functional biodiversity assessed by the PLFA and Biolog approaches, respectively, were examined under laboratory conditions during 28-day experiment. The response of soil microorganisms to the fungicide tetraconazole, which had never been used before in these soils, depended on the management of the soils. In apple orchard soil that had been treated with FR or 10FR tetraconazole, a decrease in microbial activity was still observed on the 28th day after the application of the fungicide. In contrast, a significant impact of tetraconazole on the number of bacteria was still observed at the end of experiment in grassland soil. Results of principal component analysis (PCA) indicated that the application of tetraconazole significantly changed the structure of the microbial communities in the orchard soil. In addition, analysis of the Biolog profiles revealed a decrease in the catabolic activity of the microbial communities in grassland soil that had been treated with tetraconazole at both rates over time. The evaluation of the structural and functional diversity of microbial communities using PCA appears to be the most valuable monitoring tool for assessing the impact of tetraconazole application on soil microorganisms.
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Affiliation(s)
- Sławomir Sułowicz
- Department of Microbiology, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland.
| | - Zofia Piotrowska-Seget
- Department of Microbiology, University of Silesia, Jagiellońska 28, 40-032 Katowice, Poland.
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Mohiddin GJ, Srinivasulu M, Maddela NR, Manjunatha B, Rangaswamy V, Koch Kaiser AR, Maisincho Asqui JC, Darwin Rueda O. Influence of the insecticides acetamiprid and carbofuran on arylamidase and myrosinase activities in the tropical black and red clay soils. ENVIRONMENTAL MONITORING AND ASSESSMENT 2015; 187:388. [PMID: 26024750 DOI: 10.1007/s10661-015-4631-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2014] [Accepted: 05/21/2015] [Indexed: 06/04/2023]
Abstract
The objective of this study was to determine the effects of two insecticides, namely, acetamiprid and carbofuran on the enzymatic activities of arylamidase (as glucose formed from sinigrin) and myrosinase (as β-naphthylamine formed from L-leucine β-naphthylamide) in the black and red clay soils collected from a fallow groundnut (Arachis hypogaea L.) fields in the Anantapur District, Andhra Pradesh, India. The study was realized within the framework of the laboratory experiments in which the acetamiprid and carbofuran were applied to the soils at different doses (1.0, 2.5, 5.0, 7.5, 10.0 kg ha(-1)). Initially, the physicochechemical properties of the soil samples were analyzed. After 10 days of pesticide application, the soil samples were analyzed for the enzyme activities. Acetamiprid and carbofuran stimulated the arylamidase and myrosinase activities at lower concentrations after 10 days incubation. Striking stimulation in soil enzyme activities was noticed at 2.5 kg ha(-1), persists for 20 days in both the soils. Overall, higher concentrations (5.0-10.0 kg ha(-1)) of acetamiprid and carbofuran were toxic or innocuous to the arylamidase and myrosinase activities. Nevertheless, the outcomes of the present study clearly indicate that the use of these insecticides (at field application rates) in the groundnut fields (black and red clay soils) stimulated the enzyme (arylamidase and myrosinase) activities.
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Affiliation(s)
- G Jaffer Mohiddin
- Department of Microbiology, Sri Krishnadevaraya University, Anantapur, 515003, Andhra Pradesh, India,
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El Hussein AA, Mohamed AT, Siddig MAE, Sherif AM, Osman AG. Effects of Oxyfluorfen Herbicide on Microorganisms in Loam and Silt Loam Soils. ACTA ACUST UNITED AC 2012. [DOI: 10.3923/rjes.2012.134.145] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Verdenelli RA, Lamarque AL, Meriles JM. Short-term effects of combined iprodione and vermicompost applications on soil microbial community structure. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 414:210-219. [PMID: 22115616 DOI: 10.1016/j.scitotenv.2011.10.066] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 10/26/2011] [Accepted: 10/27/2011] [Indexed: 05/31/2023]
Abstract
The use of compost amendments to bioremediate potential organic pollutants in agricultural soils has recently become an increasingly important field of research. Although several fungicides have been extensively used to control a wide range of soil-borne fungal diseases, little is known about the impact of applying these pesticides on the structure and function of microbial communities in soils amended with vermicompost. The aim of this study was to evaluate the effect of a combined treatment of iprodione and vermicompost on soil microbiological parameters under laboratory conditions. The study was carried out on agricultural and grassland soils to identify the effect of iprodione application at field rate (FR) and 10-times FR (10 FR) with and without vermicompost (VCH) on iprodione breakdown, fluorescein diacetate activity (FDA), total fatty acid methyl ester (FAME) profiles, total protein content, and protein profiles by using sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). Our results indicate that the addition of vermicompost decreased the iprodione breakdown at days 30 and 60 in non-sterilised agricultural soil and at 60 days in sterilised and non-sterilised grassland soil. Independent of vermicompost amended treatments, iprodione was found to mainly alter microbial communities after 30 days of incubation. On day 30, separation between communities treated with iprodione 10 FR and iprodione 10FR + VCH treatments were well defined in both agricultural and grassland soils. Within each soil type, our results showed no difference in the total protein content. However, the protein content in the grassland soil was clearly higher than in the agricultural soil. SDS-PAGE gels revealed that the treatments applied to the agricultural soil using iprodione at the highest dosages (iprodione 10FR and iprodione 10FR+VCH) resulted in an alteration of the band pattern. In conclusion, the experiments revealed that the addition of vermicompost may decrease the breakdown of iprodione in soils. Furthermore, elevated dosages of iprodione may potentially affect the microbial community structure and diversity of the soil, which may lead to the deterioration of soil quality and fertility.
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Affiliation(s)
- Romina A Verdenelli
- Instituto Multidisciplinario de Biología Vegetal, CONICET-UNC, Córdoba, Argentina
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Yang C, Hamel C, Vujanovic V, Gan Y. Fungicide: Modes of Action and Possible Impact on Nontarget Microorganisms. ACTA ACUST UNITED AC 2011. [DOI: 10.5402/2011/130289] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Fungicides have been used widely in order to control fungal diseases and increase crop production. However, the effects of fungicides on microorganisms other than fungi remain unclear. The modes of action of fungicides were never well classified and presented, making difficult to estimate their possible nontarget effects. In this paper, the action modes and effects of fungicides targeting cell membrane components, protein synthesis, signal transduction, respiration, cell mitosis, and nucleic acid synthesis were classified, and their effects on nontarget microorganisms were reviewed. Modes of action and potential non-target effects on soil microorganisms should be considered in the selection of fungicide in order to protect the biological functions of soil and optimize the benefits derived from fungicide use in agricultural systems.
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Affiliation(s)
- Chao Yang
- Semiarid Prairie Agricultural Research Centre, AAFC, Swift Current, SK, Canada S9H 3X2
- Department of Food and Bioproducts Sciences, University of Saskatchewan, Saskatoon, SK, Canada S7N 5N8
| | - Chantal Hamel
- Semiarid Prairie Agricultural Research Centre, AAFC, Swift Current, SK, Canada S9H 3X2
| | - Vladimir Vujanovic
- Department of Food and Bioproducts Sciences, University of Saskatchewan, Saskatoon, SK, Canada S7N 5N8
| | - Yantai Gan
- Semiarid Prairie Agricultural Research Centre, AAFC, Swift Current, SK, Canada S9H 3X2
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Wang YS, Huang YJ, Chen WC, Yen JH. Effect of carbendazim and pencycuron on soil bacterial community. JOURNAL OF HAZARDOUS MATERIALS 2009; 172:84-91. [PMID: 19616894 DOI: 10.1016/j.jhazmat.2009.06.142] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2008] [Revised: 06/25/2009] [Accepted: 06/25/2009] [Indexed: 05/28/2023]
Abstract
Soil bacterial composition is used as one of the important indicators of negative effects of the use of pesticides in agriculture. Very little is known on the effects of fungicides, particularly carbendazim and pencycuron on soil bacterial community. In this study, laboratory experiments were conducted to examine the effects of various concentrations of carbendazim and pencycuron on diversity of bacterial community in soils collected from strawberry field and incubated at different temperature conditions. The degradation rate of fungicides both in sterile and non-sterile soils were also investigated. Residues of fungicides were measured using high performance liquid chromatography (HPLC) and the change in bacterial community was examined by comparing the 16S rDNA bands on patterns by denaturing gradient gel electrophoresis (DGGE). The dissipation of carbendazim was affected by concentration applied, whereas that of pencycuron was affected by both concentration applied and incubation temperature. The microbial community could recover to its previous composition after 126 days of cultivation with the application of 10 mg/kg of carbendazim but not with the application of a high concentration, 100 mg/kg, of pencycuron. From cluster analysis, the bacterial community structure showed approximately 50% similarity throughout the experimental period, which indicated that the soil microbiota composition was not stable throughout the 120 cultivation days.
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Affiliation(s)
- Yei-Shung Wang
- Department of Agricultural Chemistry, National Taiwan University, Taipei 10617, Taiwan
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Application of thymol and iprodione to control garlic white rot (Sclerotium cepivorum) and its effect on soil microbial communities. World J Microbiol Biotechnol 2009. [DOI: 10.1007/s11274-009-0155-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Sondhia S. Leaching behaviour of metsulfuron in two texturally different soils. ENVIRONMENTAL MONITORING AND ASSESSMENT 2009; 154:111-115. [PMID: 18548324 DOI: 10.1007/s10661-008-0381-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2007] [Accepted: 05/05/2008] [Indexed: 05/26/2023]
Abstract
Nowadays, herbicides are applied large ly in India, creating the need to evaluate potential leaching of herbicides. Thus leaching potential of metsulfuron in sandy loam and clay loam soils conditions was evaluated under laboratory conditions with simulated rainfall of 318-mm. Metsulfuron-methyl was applied at 4 and 8 g a.i. ha(-1) on soil columns, respectively. Maximum concentration of metsulfuron was recovered from 0-20 cm depths in both the soils. Results indicated high mobility of metsulfuron under continuous saturated moisture condition that may be significant in terms of ground water contamination.
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Affiliation(s)
- Shobha Sondhia
- National Research Centre for Weed Science, Indian Council of Agricultural Research, Jabalpur, 482004 Madhya Pradesh, India.
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Podio NS, Guzmán CA, Meriles JM. Microbial community structure in a silty clay loam soil after fumigation with three broad spectrum fungicides. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2008; 43:333-340. [PMID: 18437621 DOI: 10.1080/03601230801941675] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The short-term effect of three broad spectrum fungicides on microbial activity, microbial biomass, soil ergosterol content, and phospholipid fatty acid (PLFA) profiles was studied. A silty clay loam soil was treated separately with captan, chlorothalonil and carbendazim at three different dosages of each fungicide. Chlorothalonil and carbendazim significantly altered soil microbial activity. However, changes in soil microbial biomass were only observed in soil treated with higher dosages of these fungicides. All dosages of fungicides significantly decreased fungal biomass as estimated by soil ergosterol content. PLFA analysis indicated that there was a shift in PLFA pattern. Higher dosages of all three fungicides decreased a straight-chain PLFA 22:0. In addition, soil treated with carbendazim increased cyclopropyl fatty acids. Compared to untreated soil, higher dosages of both captan and chlorothalonil affected PLFA 10Me 16:0, indicating that these fungicides can reduce actinomycetes population. Finally, our results suggest that application of both captan and chlorothalonil decreased Gram-positive to Gram-negative ratio.
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Affiliation(s)
- N S Podio
- Instituto de Ciencia y Tecnología de los Alimentos (F.C.E.FyN.-UNC), Córdoba, Argentina
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Bending GD, Rodríguez-Cruz MS, Lincoln SD. Fungicide impacts on microbial communities in soils with contrasting management histories. CHEMOSPHERE 2007; 69:82-8. [PMID: 17544054 DOI: 10.1016/j.chemosphere.2007.04.042] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2006] [Revised: 03/07/2007] [Accepted: 04/13/2007] [Indexed: 05/07/2023]
Abstract
The impacts of the fungicides azoxystrobin, tebuconazole and chlorothalonil on microbial properties were investigated in soils with identical mineralogical composition, but possessing contrasting microbial populations and organic matter contents arising from different management histories. Degradation of all pesticides was fastest in the high OM/biomass soil, with tebuconazole the most persistent compound, and chlorothalonil the most readily degraded. Pesticide sorption distribution coefficient (K(d)) did not differ significantly between the soils. Chlorothalonil had the highest K(d) (97.3) but K(d) for azoxystrobin and tebuconazole were similar (13.9 and 12.4, respectively). None of the fungicides affected microbial biomass in either soil. However, all fungicides significantly reduced dehydrogenase activity to varying extents in the low OM/biomass soil, but not in the high OM/biomass soil. The mineralization of subsequent applications of herbicides, which represents a narrow niche soil process was generally reduced in both soils by azoxystrobin and chlorothalonil. 16S rRNA-PCR denaturing gradient gel electrophoresis (DGGE) indicated that none of the fungicides affected bacterial community structure. 18S rRNA PCR-DGGE analysis revealed that a small number of eukaryote bands were absent in certain fungicide treatments, with each band being specific to a single fungicide-soil combination. Sequencing indicated these represented protozoa and fungi. Impacts on the specific eukaryote DGGE bands showed no relationship to the extent to which pesticides impacted dehydrogenase or catabolism of herbicides.
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Affiliation(s)
- Gary D Bending
- Warwick HRI, University of Warwick, Wellesbourne, Warwick CV35 9EF, UK.
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Sanyal N, Pramanik SK, Pal R, Chowdhury A. Laboratory simulated dissipation of metsulfuron methyl and chlorimuron ethyl in soils and their residual fate in rice, wheat and soybean at harvest. J Zhejiang Univ Sci B 2006; 7:202-8. [PMID: 16502507 PMCID: PMC1419062 DOI: 10.1631/jzus.2006.b0202] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2005] [Accepted: 01/03/2006] [Indexed: 11/11/2022]
Abstract
Two sulfonylurea herbicides, metsulfuron methyl (Ally 20 WP) and chlorimuron ethyl (Classic 25 WP) were evaluated for their dissipation behaviour in alluvial, coastal saline and laterite soils under laboratory incubated condition at 60% water holding capacity of soils and 30 degrees C temperature was maintained. In field study herbicides were applied twice for the control of grasses, annual and perennials broad leaves weeds and sedges in rice, wheat and soybean to find out the residual fate of both the herbicides on different matrices of respective crops after harvest. Extraction and clean up methodologies for the herbicides were standardized and subsequently analyzed by HPLC. The study revealed that the half-lives of metsulfuron methyl and chlorimuron ethyl ranged from 10.75 to 13.94 d irrespective of soils and doses applied. Field trials with rice, wheat and soybean also revealed that these two herbicides could safely be recommended for application as no residues were detected in the harvest samples.
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Affiliation(s)
- Nilanjan Sanyal
- Pesticide Residue Laboratory, Department of Agricultural Chemicals, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur-741 252, Nadia, West Bengal, India
| | - Sukhendu Kumar Pramanik
- Pesticide Residue Laboratory, Department of Agricultural Chemicals, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur-741 252, Nadia, West Bengal, India
| | - Raktim Pal
- Institute of Environmental Studies and Wetland Management, B-4, LA–Block, Salt Lake City, Kolkata 700 098, India
| | - Ashim Chowdhury
- Department of Agricultural Chemistry and Soil Science, Calcutta University, Calcutta 700 019, India
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Pal R, Chakrabarti K, Chakraborty A, Chowdhury A. Effect of pencycuron on microbial parameters of waterlogged soil. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2006; 41:1319-31. [PMID: 17090495 DOI: 10.1080/03601230600963995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
A laboratory study was conducted to monitor the effect of pencycuron [1-(4-chlorobenzyl)-1-cyclopentyl-3-phenylurea] on microbial parameters of alluvial (AL) soil (Typic udifluvent) and coastal saline (CS) soil (Typic endoaquept) under waterlogged condition. Pencycuron at field rate (FR), 2FR and 10FR affected the microbial biomass C (MBC), soil ergosterol content and fluorescein diacetate hydrolyzing activity (FDHA) differentially. The DCM amendment did not seem to have any counteractive effect on the toxicity of pencycuron on the microbial variables. The change in microbial metabolic quotient (qCO2) and microbial respiration quotient (QR), indicated pencycuron induced disturbance at 10FR. Present study revealed that the metabolically activated microbial population was more suppressed compared to the dormant population.
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Affiliation(s)
- R Pal
- Department of Agricultural Chemistry and Soil Science, Calcutta University, Calcutta, India.
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Pal R, Das P, Chakrabarti K, Chakraborty A, Chowdhury A. Butachlor degradation in tropical soils: effect of application rate, biotic-abiotic interactions and soil conditions. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2006; 41:1103-13. [PMID: 16923594 DOI: 10.1080/03601230600851141] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The degradative characteristics of butachlor (N-Butoxymethyl-2-chloro-2',6'-diethyla- cetanilide) were studied under controlled laboratory conditions in clay loam alluvial (AL) soil (Typic udifluvent) and coastal saline (CS) soil (Typic endoaquept) from rice cultivated fields. The application rates included field rate (FR), 2-times FR (2FR) and 10-times FR (10FR). The incubation study was carried out at 30 degrees C with and without decomposed cow manure (DCM) at 60% of maximum water holding capacity (WHC) and waterlogged soil condition. The half-life values depended on the soil types and initial concentrations of butachlor. Butachlor degraded faster in AL soil and in soil amended with DCM under waterlogged condition. Microbial degradation is the major avenue of butachlor degradation from soils.
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Affiliation(s)
- R Pal
- Department of Agricultural Chemistry & Soil Science, Calcutta University, Calcutta, India.
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