针对棉花害虫种类繁多,各地生态条件差异,加之害虫发生的明显演替规律,棉花不同生育时期内又有许多害虫混合发生的特点,我们进行了试验示范,已初步探索出一条提高化学药剂防治棉花害虫综合效益的路子——杀虫剂合理混用防治棉花害虫及程序化方案,现已开始大面积推广应用。一、杀虫剂合理混用的综防效 In view of the variety of cotton pests, the differences in ecological conditions and the obvious succession rule of pests, and the mixed occurrence of many pests in different growth stages of cotton, we have carried out experiments and demonstrations. We have initially explored an approach to improving chemical control of cotton Comprehensive benefits of pests way - a reasonable mix of pesticides to control cotton pests and program programs, has now started a large area to promote the application. First, the comprehensive compatibility of pesticides comprehensive prevention effect