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夏县棉虫生防工作始于1973年,经过多年的试验、示范、推广,由一种益虫利用,到多种益虫利用,以赤眼蜂为主,辅之有螳螂、草蛉、瓢虫和马峰;由单一的生物防治,到农业、物理、化学的综合防治;由以生产队为单位的集体统一防治,发展到与千家万户签定技术合同进行防治。我们坚持两为主:以赤眼蜂为主的生物防治,以生防为主的综合防治。农村普遍实行以家庭承包为主要形式的生产责任制以后,原来的生防组织和工作方法,已不适应变化了的新情况。1983年播种棉花前,通过和社、队、户层层
Xiaxian cotton insects prevention work began in 1973, after years of testing, demonstration, promotion, from a beneficial use of insects, to benefit a wide range of beneficial insects, mainly Trichogramma, supplemented by praying mantis, Caochao, Ladybug And Ma Feng; from a single biological control, to the comprehensive prevention and treatment of agriculture, physics and chemistry; from collective prevention and control with the production team as a unit, to the development and implementation of technical contracts with millions of households for prevention and treatment. We adhere to the two main: the biological control of Trichogramma mainly biological prevention-based comprehensive prevention and treatment. After the rural areas practiced the system of production responsibility, which took the form of family contract as the mainstay, the original organization and method of work for preventing and coping with violence were not adapted to the changed new situation. In 1983 before sowing cotton, through and social, team, household layers