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试验证明:一些苏云金杆菌商品制剂的杀蚜作用是含有微量的菊酯类农药所致。作者将这些制剂对天敌及其食物链可能产生的影响作了讨论。
Tests show that: some Bacillus thuringiensis aphic effect of commercial preparations containing a trace amount of pyrethroid pesticides. The authors discuss the potential impact these agents have on natural enemies and their food chain.