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A simple, quick and reliable residue analytical method for flusilazole in apple and soil was developed in this study. The samples were extracted with acetonitrile and determined by liquid chromatography with UV detection. The LOQ of the method was 0.02 mg/kg. The dissipation dynamic and final residues of flusilazole in apple and soil were studied using field trial method. The results of residual dynamics experiment showed that after the apple was treated by flusilazole at treble of recommended high dosage (3.75 g/kg H(2)O), the half-life times of flusilazole in apple and soil were 4.23-7.77 days and 3.04-5.14 days, respectively. Residues of flusilazole in apple at harvest time were all below 0.05 mg/kg at both recommended high dosage and 1.5 times of recommended high dosage.

Citation

Shuang Yu, Dongmei Qin, Qiong Wu, Xingli Guo, Lijun Han, Shuren Jiang. Residue and dissipation dynamics of flusilazole in apple and soil. Bulletin of environmental contamination and toxicology. 2011 Mar;86(3):319-22

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PMID: 21290102

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