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用康福多20％浓可溶剂杀虫剂，两个浓度防治棉花蚜虫药效对比试验．药效期21－30天。防治分别为99．28％，98．92％以上，在生产上以1：1000倍液为最佳用量。
With 20% concentration of Kang Duo solvent insecticide, two concentrations of cotton aphids control efficacy comparison test. Shelf life of 21-30 days. Prevention and control were 99.28%, 98.92%, respectively, in the production of 1: 1000 times the best dosage.