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为了搞好我省害虫天敌区系,准确预测主要棉虫的发生量、确定各代(期)棉虫的适当防(药)治指标,充分发掘棉田害虫自然天敌的潜力(包括合理引进和保护利用当地自然天敌优势种),协调防治棉虫技术措施和开拓棉虫综合防治新体系,笔者于一九七六年至一九七九年以本所棉地为基点,对棉田的二十瓦黑光灯下、柳枝把中、棉株(地面、空中)和主要棉虫危害的农作物上的害虫自然天敌进行了采集、积累,并采集了一部分
In order to do a good job in the natural enemies of pests in our province, accurate prediction of the occurrence of major cotton insects, cotton insects of each generation to determine the appropriate anti (drug) treatment targets, and fully explore the natural enemy potential of cotton pests (including the rational introduction and protection The use of local natural predators species), coordinate the prevention and control of cotton insects and insect pests technical measures to open up a comprehensive new system of prevention and treatment of cotton, the author from 1976 to 1979 in the cotton as the base, the cotton field of 20 watts Under black light, willow branches, cotton plants (ground, air) and the main insect pests on the crops of natural enemies on the pests were collected and accumulated, and collected part of