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Degradation of Fenvalerate EC on Cucumber and The Determination of Their Safety Interval
Author(s): 
Pages: 10-12
Year: Issue:  9
Journal: Gansu Agricultural Science and Technology

Abstract: 对不同剂量20%氰戊菊酯乳油在黄瓜上的农药残留量、降解率进行了检测,结果表明,黄瓜开花结瓜期喷药后3。13d20%氰戊菊酯乳油在黄瓜上的残留量从大到小依次为180g/hm^2、120g/hm^2、60g,hm^2;第7天之前各处理的降解率从高到低的排序为180gmm^2、120g/hm^2、60g/hm^2。处理60g/hm。从第3天起的残留量低于无公害黄瓜的最高限量标准,处理180gmm^2及处...
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