新型生物杀虫剂──双毒制剂华中农业大学以近年选育的高产高效的苏云金芽孢杆菌为主要菌株，经现代发酵技术研制成一种新型生物杀虫剂“双毒制剂”。主要用于防治粮、棉、菜、果、林、烟、药、茶、草等植物害虫。双毒制剂无公害，对人畜安全，不污染环境，不杀伤害虫天敌... New biological insecticide ─ ─ double poison preparations Huazhong Agricultural University Breeding in recent years, high-yield and efficient Bacillus thuringiensis as the main strain, developed by modern fermentation technology into a new type of biological pesticides “double-drug preparations.” Mainly for the prevention and treatment of grain, cotton, vegetables, fruit, forest, tobacco, medicine, tea, grass and other plant pests. Double-toxic formulations of pollution-free, safe for humans and animals, do not pollute the environment, do not kill pests natural enemies ...