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无产阶级文化大革命以来,林业战线上的广大工人,革命干部和科技人员,为了落实毛主席“绿化祖国”的伟大指示,积极开展松毛虫的生物防治工作,在生产上利用赤眼蜂防治松毛虫工作已取得了很大成绩。赤眼蜂是一种破坏害虫卵的广寄生性昆虫,扩散能力较强,对人畜无害,不伤害天敌;繁育赤眼蜂用的寄生卵资源丰富,设备简单,操作方便;防治效果高,费用低,深受广大群众的欢迎。但目前在生产工艺上,还处在
Since the Great Proletarian Cultural Revolution, the majority of workers, revolutionary cadres and scientists and technicians on the forestry front have taken the initiative to carry out biological control of pine caterpillars in order to implement Chairman Mao’s great “greening the motherland” Work has made great achievements. Trichogramma is a wide parasitic insect that destroys the pest eggs and has strong diffusion ability and is harmless to humans and animals without harming the natural enemies. The Trichogramma larvae are rich in parasitic eggs and have simple equipment and convenient operation. Low cost, welcomed by the majority of the people. But at present in the production process, still in place