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随着社会的进步,人民生活的提高,家庭养花业也日趋发展,与此同时就带来了一个如何防治花卉虫害的问题。在通常情况下,由于化学农药对人体有害,在室内不宜多采用。而且有些化学农药如DDV、乐果等,对若虫和卵杀伤效果较差,喷药后,虽然可以看到成虫大量死亡,但不久新的成虫又羽化成飞虫,继续交尾产卵,形成恶性循环。
With the improvement of the society, the improvement of people’s life and the family flower-growing industry, the issue of how to prevent and control the pests of flowers and flowers has also been brought forward. Under normal circumstances, due to chemical pesticides harmful to humans, should not be used indoors. And some chemical pesticides such as DDV, dimethoate, killing nymphs and eggs less effective, after spraying, although you can see a large number of adult deaths, but soon the new adult feathers into females, continue to spawn, the formation of malignant cycle.