Fate of Fipronil in Cotton and Soil Under Tropical Climatic Conditions

被引：23
|
作者：
Chopra, Indu [1 ]
Chauhan, Reena [1 ]
Kumari, Beena [1 ]
Dahiya, K. K.
机构：
[1] CCS Haryana Agr Univ, Dept Entomol, Dept Chem & Phys, Hisar 125004, Haryana, India
来源：
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY | 2011年 / 86卷 / 02期
关键词：
Fipronil; Cotton; Half-life; Degradation;
D O I：
10.1007/s00128-010-0180-0
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
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 (T-1) and 112 g a.i.ha(-1) (T-2) 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).
引用
收藏
页码：242 / 245
页数：4
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