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生物治虫是综合防治的重要内容。近几年来,我区国营农场植保技术人员,在同病虫害作斗争的过程中,研究利用有益昆虫和微生物防治害虫,生物防治面积达10多万亩,取得较好的防治效果。现概述如下,供参考。 一、关于赤眼蜂的研究和利用 我区国营农场赤眼蜂的研究利用是从一九七三年开始的,阿拉尔农科所先在室内进行饲养繁殖,一九七四年应用赤眼蜂在玉米田防治棉铃虫,放蜂治虫面积40亩(每亩放蜂2万头,以下同),防治棉铃虫效果80.7%。一九七五年放蜂面积200亩,防虫效果为75—90.7%。
Biological pest control is an important part of integrated control. In recent years, our country farm farmer plant protection technicians, in the process of fighting against pests and diseases, research and utilization of beneficial insects and microorganisms to control pests, biological control area of more than 10 acres, and achieved better control effect. Are summarized below, for reference. First, on the research and utilization of trichogramma Trichogramma research and utilization of our state farms started in 1973, Alarnongke first breeding indoors, breeding the application of red eyes Bee in the corn field control bollworm, beekeeping pest area 40 mus (bee per acre put 20000, the same below), prevention and treatment of bollworm effect 80.7%. In 1975, a total area of 200 mu was put and the pest control effect was 75-90.7%.