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22 %毒死蜱·吡虫啉乳油对苹果绵蚜有良好的防治效果 ,以 15 0 0～ 2 0 0 0倍稀释液喷施 ,2 5天防效在 92 %以上 ,是防治苹果绵蚜的优良药剂
22% Chlorpyrifos · Imidacloprid EC has a good control effect on cotton aphid, sprayed with 15 0 0 ~ 200 times dilution, 25 days control effect is above 92%, it is an excellent medicament for the control of cotton aphid