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微生物农药活性成分主要由蛋白质晶体和有生命的芽孢组成,在低温条件下,芽孢在害虫体内繁殖速度缓慢,蛋白质晶体很难发挥作用达到最佳防治效果。
The active ingredients of microbial pesticides are mainly composed of protein crystals and living spores. Under low temperature conditions, the spores propagate slowly in the pests, and the protein crystals hardly work to achieve the best prevention and cure effect.