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Foliar spraying of chlorpyrifos induces morphometric changes in Glycine max(L.)and shifts native soil microbiome

Emerging Contaminants 2024年第3期10卷 86-102页

作者： aman raj Muneer Ahmad Malla Ashwani Kumar Pramod Kumar Khare Sheena Kumari Metagenomics and Secretomics Research Laboratory Department of BotanyDr.Harisingh Gour University(A Central University)Sagar470003M.P.India Institute for Water and Wastewater Technology Durban University of TechnologyDurban4001South Africa Metagenomics and Secretomics Research Laboratory Department of BotanyUniversity of Allahabad(A Central University)Prayagraj211002U.P.India Department of Botany Ecology laboratoryDr.Harisingh Gour Vishwavidyalaya(A Central University)SagarMadhya Pradesh470003India

Pesticide usage alters plant growth,and development and disturbs native soil *** present study was carried out to evaluate the effect of Chlorpyrifos(CP-20%EC)on the growth and development of soybean(Glycine max),soil fertility,and soil *** conducted a pot experiment to assess the impact of different concentrations of chlorpyrifos;recommended dose(RD)and higher dose rates(2×and 4×RD).Chlorpyrifos application significantly altered the growth parameters in soybean(p<0.05).At higher concentrations(2×and 4×RD)shoot length(17.16±1.04;14.33±1.15,p<0.05),root length(3.40±0.36;2.66±0.28,p<0.050),leaf count(6.33±0.57;2.66±0.57;p<0.05)reduced significantly compared to RD and Control *** at these concentrations(2×and 4×RD),significant reduction in fresh shoot weight(0.86±0.008;0.66±0.002,p<0.05),dry shoot weight(0.14±0.001;0.13±0.003,p<0.05)and root fresh weight(0.13±0.001;0.09±0.003,p<0.05)and root dry weight(0.030±0.0005,0.037±0.003,p<0.05)was observed compared to the RD and control ***,a significant increase in root and shoot morphometric parameters was observed in RD compared to control(p<0.05).All the physio-chemical properties such as pH(8.51±0.82),moisture content(33.73±0.04),and electrical conductivity(3.44±0.03)were higher in CP-treated soils compared to ***,nutrient content such as nitrogen,carbon,and hydrogen were significantly reduced in treated soils compared to *** analysis showed higher concentrations of As,Cd,and Pb in CP-treated soil(8.7 mg/g,0.254 mg/g,and 16.477 mg/g,respectively)compared to untreated soil(8.09 mg/g,0.228 mg/g,and 15.25 mg/g,respectively).We also assessed soil metabolic activity and diversity using Community-level Physiological Profiling(CLPP).CP-treated soil exhibited significantly lesser microbial diversity,with lesser metabolic *** analysis revealed a shift in bacterial community composition,with Pseudomonadota and Bacteroidota dominating CP-treated s

关键词： Chlorpyrifos Glycine max Proline Metabolic activity CLPP Metagenomics Bacterial microbiome

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