Department of Agricultural Chemicals, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India.
Bull Environ Contam Toxicol. 2010 Oct;85(4):419-22. doi: 10.1007/s00128-010-0101-2. Epub 2010 Aug 12.
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.
在 2007 年 Pre-Kharif 季节，在稻田上进行了一项田间研究，以确定噻虫嗪（12.6%）和高效氯氟氰菊酯（9.4%）[在“Readymix”制剂 Alika 247 ZC 中的残留情况]，施用量为 33 g.ai.ha⁻¹（T₁）和 66 g.ai.ha⁻¹（T₂）。在作物（移栽后 63 天）的乳熟期进行了杀虫剂的喷洒。噻虫嗪和高效氯氟氰菊酯残留量分别通过 HPLC 和 GLC 进行了估计。噻虫嗪和高效氯氟氰菊酯的半衰期值分别为 5.2-5.8 和 4.8 天。在收获的稻谷、稻草、谷物和土壤样本中均未检测到残留。
