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将Bti-H_(14)、BsC_8-41制成漂浮颗粒剂防制污水中库蚊幼虫,二者均有显著的防制效果,Bti制剂的持效期达11天左右,Bs制剂的持效期达7天左右。
Bti-H_ (14) and BsC_8-41 were used as floating granules to control Culex pipiens pallens larvae in sewage, both of them had significant control effect. The retention time of Bti was about 11 days, and the retention of Bs Period of about 7 days.