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应用苏云金杆菌制剂防治棘禾草螟和芦毒蛾都有较好的效果。为了兼治这两种害虫,可在棘禾草螟第一代卵孵化盛期及盛孵末期分别防治一次。每亩喷Bt乳剂200克或150克加敌敌畏50克。
The application of Bacillus thuringiensis preparation to control Sphaeranthusths pachyneps and Salix moths have good results. In order to control both pests, in the first generation of Spinosriella occidentalis hatching peak and the final incubation were controlled once. Spray Bt per mu spray 200 grams or 150 grams plus 50 grams of dichlorvos.