AI Article Synopsis
- - A field trial investigated how chlorantraniliprole, an insecticide, breaks down on cowpea fruits, using advanced liquid chromatography techniques for analysis.
- - Initial levels of chlorantraniliprole were measured at 0.55 mg/kg, dissipating quickly with a half-life of 1.31 days, indicating a relatively fast decline in residue levels.
- - Household processing of cowpea fruits significantly reduced insecticide residue, with reductions ranging from 44.56% to 91.70%, depending on the timing and method used after spraying.
Article Abstract
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.
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| http://dx.doi.org/10.1007/s00128-012-0944-9 | DOI Listing |
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