Fate of Fipronil in Cotton and Soil Under Tropical Climatic Conditions

被引：0
|
作者：
Indu Chopra
Reena Chauhan
Beena Kumari
K. K. Dahiya
机构：
[1] CCS Haryana Agricultural University,Department of Chemistry and Physics, Department of Entomology
[2] CCS Haryana Agricultural University,Department of Entomology
来源：
Bulletin of Environmental Contamination and Toxicology | 2011年 / 86卷
关键词：
Fipronil; Cotton; Half-life; Degradation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Field study was carried out to investigate fate of fipronil (Regent 0.3G) in cotton and soil applied at the time of sowing of cotton crop (Variety: H-1117) @ 56 (T1) and 112 g a.i.ha−1 (T2) during kharif season (summer season, from April to November) 2006–07. The residues of fipronil in both the doses dissipated almost completely with in 90 days. Kinetic studies revealed that dissipation of fipronil followed first order kinetics with half-life period of 23.35 days in single dose and 24.31 days in double dose. At the time of harvest, residues in soil, cotton lint and seed were below the quantifiable limit of 0.01 mg kg−1.
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页码：242 / 245
页数：3
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