Studies on dissipation of thiamethoxam insecticide in two different soils and its residue in potato crop

N. Kumar, A. Srivastava, S.S. Chauhan and P.C. Srivastava
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N. Kumar: Department of Chemistry, College of Basic Science and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, India
A. Srivastava: Department of Chemistry, College of Basic Science and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, India
S.S. Chauhan: Department of Chemistry, College of Basic Science and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, India
P.C. Srivastava: Department of Soil Science, College of Agriculture, G.B. Pant University of Agriculture

Plant, Soil and Environment, 2014, vol. 60, issue 7, 332-335

Abstract: The dissipation patterns of thiamethoxam insecticide at two different rates (12.5 and 25 µg/g) in both silty clay loam and loam soils were studied. The half lives of thiamethoxam were in the range of 15.0 to 18.8 days in silty clay loam and 20.1 to 21.5 days in loam soil. The residues of thiamethoxam in potato tubers and soil at harvest time (90 days after planting) could not be detected either in soil or in tubers at any of the applied rates (25 and 50 g a.i./ha). Thus, thiamethoxam does not appear to pose any health hazard to consumers or harm to the environment.

Keywords: neonicotinoids; vegetables; recovery; mollisols; half-life; monophasic (search for similar items in EconPapers)
Date: 2014
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DOI: 10.17221/106/2014-PSE

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