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红铃虫是为害棉花蕾铃的主要害虫,造成蕾铃脱落和僵瓣花,影响产量和质量。在深入开展农业学大寨的运动中,为了降低农业成本,提高棉花的产量和质量,我们除用药剂防治外,还利用金小蜂消灭越冬红铃虫。1973年,全公社80％的棉仓放养了金小蜂,防治效果在53～90％,这是一项经济有效的治虫方法。一、繁育金小蜂金小蜂的主要饲料是红铃虫茧,一两红
Red bollworm is the main pest damage to cotton bolls, causing the buds to fall off and stiff petals, affecting yield and quality. In deepening the agricultural science Dazhai movement, in order to reduce agricultural costs and improve the cotton yield and quality, we use drugs to prevent and control, but also the use of Golden Bee to eliminate overwintering red bollworm. In 1973, 80% of cotton mounds in the commune were stocked with golden bees and the control effect was 53-90%. This is a cost-effective pest control method. First, the breeding gold little bee gold little bee’s main feed is pink bollworm cocoon, one or two red