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植食性的叶螨类,近廿五年来已成为农业上日益严重的问题,在棉田、果园长期广泛使用农药,许多害螨产生了抗药性,并且杀伤天敌,破坏生态平衡或刺激害螨的繁殖因而引起再猖獗,但解决这个问题,不能靠否定化学防治的作用,或禁用农药等方法,这是不现实的,化学农药仍是与病、虫、螨害斗争的重要手段之一。为了解决化防与生
Spider mite spider mites, the last 25 years has become a growing agricultural problems in the cotton fields, orchards long-term widespread use of pesticides, many pests have resistance, and kill natural enemies, destroy the ecological balance or stimulate the propagation of pests Therefore, it is unrealistic to solve the problem by not negating the role of chemical prevention and control or banning pesticides. Chemical pesticides are still one of the important measures to combat diseases, insects and mites. In order to solve the problem of prevention and living