普兰店市果树生产历史悠久，在病虫防治中，由于长期大量地使用化学剧毒农药，果园天敌遭到大量杀伤，有益生物种类减少，果园生态系统受到破坏，病虫抗药性日益严重，环境被污染，果品中农药残留量增加，对人类身体健康危害越来越大。尤其我国加入WTO后，生产优质无公害水果已 Pulandian fruit production in the city has a long history of pest control, due to the long-term large-scale use of highly toxic chemical pesticides, orchards were massively killed, reduced beneficial species, orchards ecosystem damage, insect resistance increasingly serious, the environment It is polluted and pesticide residues in fruits are increased, harming human health more and more. In particular, China’s accession to the WTO, the production of high-quality pollution-free fruit has been