苏云金杆菌简称苏菌,是我国目前投入商品生产的杀虫菌剂之一。此菌剂在四十年代最早出现于法国,五十年代中期引入我国用于害虫防治。苏菌制剂的杀虫有效成分主要是菌体产生的有毒蛋白——伴孢晶体和苏菌的芽孢,以及在繁殖过程中苏菌产生的几种体外毒素。 Bacillus thuringiensis referred to as the Soviet Union bacteria, is currently China’s production of pesticides into one of the products. This fungicide first appeared in France in the 1940s and was introduced into our country for pest control in the mid 1950s. The insecticidal active ingredients of the bacteriological preparation are mainly the toxic proteins produced by the bacterium, spores of the spore-forming crystals and the bacterium, and several exotoxins produced by the bacterium in the breeding process.