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在养蚕中,常会发现一些蚕子死亡,主要原因是蚕子受到病菌侵染造成。死亡的蚕子体内常含有大量的能使昆虫致病的细菌、真菌等多种病原微生物,利用其防治蔬菜上某些害虫,以减少化学农药用量,不但可达到经济、安全、有效目的,而且还可减少或避免化学农药对蔬菜和环境造成污染。我县群众运用此法防治蔬菜的鳞翅目害虫(菜青虫、小菜蛾等)十分奏效,防效高达93％～98％。具体操作方法如下: 1.将平时收集起来的死蚕用双层纱布口袋装好,然后用
In sericulture, it is often found that some silkworms die, mainly due to infection by pathogenic bacteria. The dead silkworm body often contains a large number of bacteria, fungi and other pathogenic microorganisms that can make the insect pathogenic, so as to prevent and control certain pests on the vegetables and reduce the amount of chemical pesticides, thereby not only achieving economic, safety and effective purposes, but also Chemical pesticides can also reduce or prevent the pollution of vegetables and the environment. My county masses use this method to control lepidopterous pests of vegetables (cabbage caterpillar, diamondback moth, etc.) is very effective, anti-efficiency as high as 93% to 98%. Specific methods of operation are as follows: 1 will usually be collected with dead silkworm double gauze pockets installed, and then use