Degradation characteristics of parathion,parathion methyl and fenitrothion by a enzyme,extracted from the isolated strain YF11,was determined.

从降YF11提取了降酶并测定了该降酶对对、甲基对和杀螟松的降特性。

Chlorpyrifos was one kind of organophosphorus pesticides with higher efficacy and could substitute highly poisonous metham-sodium and parathion.

毒死蜱是替代甲胺和对高毒农药的高效有机杀虫剂,在世界范围得到广泛使用。