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省农科院昌黎果树研究所利用中华草蛉自然种群防治苹果叶螨的科研课题,经过1980—1984年的研究,摸索出一套以预防为主,生防与化防相结合的综合防治技术,并在大面积生产实践中得到验证,获得好评。省农科院邀请省内外教育、科研及生产单位的专家和同行共15人,于1984年8月9—10日在该所召开了鉴定会。经过认真审议,大家一致同意将该项技术定为
Provincial Academy of Agricultural Sciences Changli Fruit Research Institute of the use of natural populations of Chinese grasshopper prevention and control of apple spider mite research projects, after 1980-1984 years of research, worked out a set of prevention, biological prevention and prevention combined with a comprehensive prevention and control technology , And in large-scale production practices have been verified, received praise. Provincial Academy of Agricultural Sciences invited experts and counterparts from education, scientific research and production units inside and outside the province and a total of 15 people, in 1984 August 9-10 held an appraisal meeting in the institute. After careful consideration, we all agreed to set the technology as