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2006年,通州市大力推广生物杀虫剂防治水稻、蔬菜、瓜果上的害虫,应用结果表明,生物杀虫剂治虫效果好,经济效益明显,深受农户的欢迎。但要保证生物杀虫剂的较高的杀虫效果,在使用生物杀虫剂时,必须做到以下几点:1.明确作用机理,选择适宜菌剂。细菌、病毒等病原微生物必须经昆虫
In 2006, Tongzhou City vigorously promoted the application of biological insecticides to control pests on rice, vegetables and fruits. The results showed that the effect of pest control by biological insecticides was good and the economic benefits were obvious. Farmers were welcomed. However, to ensure the high insecticidal effect of biological insecticides, the use of biological insecticides, we must do the following: 1. A clear mechanism of action, select appropriate agents. Bacteria, viruses and other pathogenic microorganisms must be insects