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近年来,秦皇岛市积极探索无公害防治新技术,逐步实现以化学防治林果病虫害为主向以生物防治为主转变。从研究并利用寄生害虫蛹天敌白蛾周氏啮小蜂入手,继而研究开发利用寄生害虫卵天敌赤眼蜂携带病毒防治松毛虫技术,并试验推广了取代化学农药的物理、生物防虫技术,为全面实施林果业病虫害无公害防治奠定了技术基础。
In recent years, Qinhuangdao City, actively explore new technologies for pollution prevention and control, and gradually realize the chemical control of pests and diseases mainly dominated by biological control. From the research and use of the parasitic pest natural enemies of the white moths Chouxes smallworm to start, and then research and development and utilization of Trichogramma egg virus parasitic insect bee control of pine caterpillars technology, and test to promote the replacement of chemical pesticides, physical and biological pest control technology for The full implementation of forestry and fruit pests and diseases pollution prevention and control laid the technical foundation.