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苏云金杆菌血清14型,简称B·T·H_(14),是一种微生物灭蚊幼剂。材料和方法1.材料①上海西郊农药厂提供B·T·H_(14),出厂效价400ITU/mg;②江苏省扬州市里下河农药厂提供B T·H_(14),出厂效价600ITU/mg;③化学杀虫剂:主药为二二三及敌敌畏。2.方法控制使用B·T·H_(14)和化学二种
Bacillus thuringiensis serum type 14, referred to as B · T · H_ (14), is a microbial anti-mosquito agent. MATERIALS AND METHODS 1. Materials ① Shanghai Xijiao Pesticide Factory provided B · T · H_ (14) with a factory price of 400ITU / mg; ② Lixiahe Pesticide Factory of Yangzhou City, Jiangsu Province provided BT · H_ (14) 600ITU / mg; ③ chemical pesticides: the main drug for two hundred twenty-three and dichlorvos. 2. Method control using B · T · H_ (14) and two kinds of chemistry