Persistence and Effects of Processing on Reduction of Chlorantraniliprole Residues on Cowpea Fruits

被引:29
|
作者
Vijayasree, V. [1 ]
Bai, Hebsy [1 ]
Beevi, S. Naseema [1 ]
Mathew, Thomas Biju [1 ]
Kumar, Vijayarahava [2 ]
George, Thomas [3 ]
Xavier, George [1 ]
机构
[1] Kerala Agr Univ, Coll Agr, Dept Agr Entomol, Thiruvananthapuram 695522, Kerala, India
[2] Kerala Agr Univ, Coll Agr, Dept Agr Stat, Thiruvananthapuram 695522, Kerala, India
[3] Kerala Agr Univ, Coll Agr, Dept Soil Sci & Agr Chem, Thiruvananthapuram 695522, Kerala, India
关键词
Cowpea; Chlorantraniliprole; Residue; Dissipation; Decontamination; TOMATO;
D O I
10.1007/s00128-012-0944-9
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A field trial was conducted to study the dissipation kinetics of chlorantraniliprole 18.5 % SC on cowpea fruits. The fruit samples drawn periodically were analyzed by liquid chromatography and tandem mass detection (LC-MS/MS). The initial residues of chlorantraniliprole in cowpea fruits were found to be 0.55 mg kg(-1) which dissipated rapidly, with a half-life of 1.31 days and a waiting period of 0.62 days following first order kinetics. Processing of the fruits with solutions commonly used in households reduced the insecticide residues on cowpea fruits harvested 2 h after spraying by 47.19 %-91.70 % and 44.56 %-91.25 % on fruits plucked on the third day.
引用
收藏
页码:494 / 498
页数:5
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