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棉蚜是朝阳棉区的重要害虫,近年来为害日趋加重。为控制棉蚜为害,朝阳县十二台公社部分棉田几年来坚持保护天敌、利用天敌开展综合防治,基本上不打药控制了棉蚜为害,获得了丰产丰收。我们在总结此项经验的基础上,1979年在各级党委的正确领导及有关部门的协助下,在朝阳、北票、建昌、喀左等6个县开展了“以生防为主的大面积综合防治棉蚜的研究”,取得了成效。一般棉田打药次数都
Aphis gossypii is an important pest in Chaoyang cotton area and its harm has been aggravating in recent years. In order to control cotton aphid’s damage, some cotton fields of twelve communes in Chaoyang County persisted in protecting natural enemies over several years and utilized natural enemies to carry out comprehensive prevention and control. On the basis of summing up this experience, in 1979, with the correct leadership of Party committees at all levels and the assistance of relevant departments, we conducted “ Large-scale comprehensive prevention and treatment of cotton aphid research ”and achieved success. The average number of cotton fields fight drugs