Persistence of endosulfan and fenvalerate in chickpea (Cicer arietinum L.)

被引:0
|
作者
Nigam, R. C. [1 ]
Pandey, R. K. [1 ]
Tiwari, D. D. [1 ]
机构
[1] Chandra Shekhar Azad Univ Agr & Technol, Dept Soil Sci & Agr Chem, Pesticide Residue Lab, Kanpur 208002, Uttar Pradesh, India
关键词
Dissipation; endosulfan; fenvalerate; half life; persistence; waiting period;
D O I
暂无
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The persistence of endosulfan (350 and 700 g a. i./ha) and fenvalerate (75 and 150 g a. i./ha) was studied on chickpea crop. Initial deposits of endosulfan in green pods were 2.70 and 3.30 mg/kg at recommended and double recommended dose, which dissipated with half life of 4.1 and 6.98 days. The safe waiting periods were calculated as 11.69 and 16.04 days at recommended and double recommended dose of endosulfan, respectively. At harvest, residue of endosulfan was not detected both in grain and pod cover. Initial deposits of fenvalerate in green pods (2.46 and 3.04 mg/kg) were dissipated with half life of 2.56 and 5.36 days. Safe waiting periods were suggested as 10.0 and 12.14 days at 75 and 150 g a. i./ha, respectively. In grain and pod cover, residues of fenvalerate were not detected.
引用
收藏
页码:555 / 557
页数:3
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