Abstract
A field study was conducted in Pre-Kharif season 2007 on paddy to determine the persistence of thiamethoxam (12.6%) and lambda cyhalothrin (9.4%) [in a ‘Readymix’ formulation Alika 247 ZC], following the application of 33 g. a.i. ha−1 (T1) and 66 g. a.i. ha−1 (T2). Spraying of insecticide was done during milking stage of the crop (63 days after transplantation). Thiamethoxam and lambda cyhalothrin residues were estimated by HPLC and GLC respectively. The half-life values were 5.2–5.8 and 4.8 days for thiamethoxam and lambda cyhalothrin respectively. No residue was detected in the harvested paddy, straw, grain, and soil samples.
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We are very much thankful to M/S Syngenta India Ltd., Mumbai for sponsoring the research program.
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Barik, S.R., Ganguly, P., Kunda, S.K. et al. Persistence Behaviour of Thiamethoxam and Lambda Cyhalothrin in Transplanted Paddy. Bull Environ Contam Toxicol 85, 419–422 (2010). https://doi.org/10.1007/s00128-010-0101-2
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DOI: https://doi.org/10.1007/s00128-010-0101-2