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苏云金杆菌制剂(即BT制剂),系杀虫范围较广,效果较好的一种微生物杀虫剂.它具有对天敌安全、不污染环境、成本低的特点,国内外对它的研究、生产和应用十分重视.我省在1989年前曾对BT制剂进行推广应用,但只限于引进产品在蔬菜作物进行小规模的示范试验.为了开发和推广应用BT制剂,1989年开始,在浙江省人民政府资助下进行微生物农药BT制剂的开发和
Bacillus thuringiensis preparation (ie, BT preparation) is a microbial insecticide which has a wide insecticidal range and good effect, and has the characteristics of being safe to natural enemies, not polluting the environment and having low cost, and its research and production at home and abroad And application of the great importance of our province in 1989 before BT formulations to promote the use, but only to introduce products in small-scale demonstration experiments in vegetable crops.In order to develop and promote the use of BT formulations, beginning in 1989, in Zhejiang Province people The government funded the development of microbial pesticide BT formulations and