Abstract

A method for residue analysis of flubendiamide and its metabolite desiodo flubendiamide was developed using high performance liquid chromatography. This method was then used to evaluate the residual level and dissipation rate of flubendiamide and desiodo flubendiamide in the tomato fruit. The half-life of flubendiamide in tomato fruit was 1.64 and 1.98 days in recommended and double of the recommended dose, respectively. Tomato fruit and soil samples analyzed on the 10th day after the last spray revealed that flubendiamide and its metabolite desiodo flubendiamide residues at below determination level (0.01 μg g(-1)) at either dose of application.

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