The dissipation and final residues of picoxystrobin in banana and soil were determined by gas chromatography equipped with an electron capture detector (GC-ECD). The dissipation half-lives of picoxystrobin were 10.7-12.1 days in banana, and 12.5-13.4 days in soil at Nanning (Guangxi) and Zhanjiang (Guangdong). The final residues of picoxystrobin in banana and soil were determined after the third and fourth applications at recommended dose and 1.5 times recommended dose, respectively. Picoxystrobin residues in banana 28 days after the last treatment were below 0.686 mg/kg, in banana sarcocarp below 0.159 mg/kg, and in soil below 0.227 mg/kg.
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