几种农药混剂对棉铃虫的防治效果

Control Efficacy of Several Insecticide Mixtures against Cotton Bollworm(Helicoverpa armigera Hubner)

田间试验结果表明，２５％农保９６乳油、２５％辉丰快克乳油、２５％快杀灵乳油三种药剂１０００倍液喷雾防治抗性棉铃虫，药后３天防治效果均达９０％以上，农保９６乳油防效最高达９２０６％；２０％神光乳油防治效果也较为理想，可作为防治抗性棉铃虫的良好药剂，大面积示范推广应用。

The field trails of several insecticide mixtures,such as 25% Nongbao 96 EC (BPMC+phoxim),25% Huifen Kuaike EC(phoxim+fenvalerate),and 25 % Kuaishaling EC(fenvalerate+phoxim),were carried out in cotton field to control Helicoverpa armigera.The results showed that 25% Nongbao 96 EC gave the highest cotton bollworm control and should be extended and applied in a large scale for resistence cotton bollworm control.