Dissipation of flubendiamide residues in/on cabbage (Brassica oleracea L.)
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Residues of fubendiamide and its metabolite desiodo flubendiamide were estimated in cabbage and soil using high-performance liquid chromatography with UV–vis detector. The initial deposits of flubendiamide residues on cabbage were found to be 0.16 and 0.31 μg g−1 following two applications of flubendiamide 20 WG at 12.5 (standard dose) and 25 (double dose) g a.i. ha−1 respectively at 10-days interval. The half-life values (t 1/2) of flubendiamide on cabbage ranged from 3.4 to 3.6 days. When flubendiamide applied at both the standard and double dose, no detectable residues were found in cabbage and soil at harvest. Thus, a waiting period of 1.63 days was suggested for the safe consumption of flubendiamide-treated cabbage. These data could provide guidance for the proper and safe use of this pesticide on cabbage crops in India.
KeywordsFlubendiamide Desiodo flubendiamide HPLC Dissipation Cabbage
The authors are indebted to the Department of Agricultural Chemicals for providing infrastructural facilities, Bidhan Chandra Krishi Viswavidyalaya, Kalyani, India, for the conduction of the experiment and M/s Rallis India Ltd, Bangalore for providing the necessary financial support to accomplish this project.
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