小菜蛾（Ｐｌｕｔｅｌａｘｙｌｏｓｔｅｌａ）是深圳市十字花科蔬菜最主要的害虫，因田间抗药性问题而难以防治。使用苏云金杆菌（Ｂａｃｉｌｕｓｔｈｕｒｉｎｇｉｅｎｓｉｓ）制剂，是综合治理小菜蛾的重要措施，对缓解抗药性、降低农药残留具有积极的作用。近年来，该制... Plutella xylostella (Plutella xylostella) is the most important pest of cruciferous vegetables in Shenzhen, which is hard to be controlled because of the problem of drug resistance in the field. Bacillus thuringiensis (Bacilusthuringiensis) preparation is an important measure to comprehensively control diamondback moth, and has a positive effect on alleviating drug resistance and reducing pesticide residues. In recent years, the system ...