35％双扑乳油对抗性棉蚜的增效作用研究

Synergistic Effect Of A Combined Insecticide Shuangpu against Aphis Gossypii Glover

３５％双扑乳油对抗性棉蚜有强烈的触杀作用。施药后１天，双扑１０００倍、２０００倍和２０００倍稀释液的防效分别达９５．６％、９３．０％、８９．３％，且双扑１０００倍液在喷药后１、３５天总防效高于所有对照药剂。

The field trials on a combined insecticide Shuangpu against Aphis gossypii Glover wereconducted.The control effect of the mixture,the components and a contrast insecticide werecompared.With a strong contact action and significant synergistic effects,the mixture wasproved to be powerful to resistant cotton aphid.