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两种微生物制剂现场防制淡色库蚊幼虫的效果表明,Vectobac G200颗粒剂按0.5g/m~2、C_3-41乳剂按1ml/m~2施药,可有效地控制淡色库蚊幼虫的孳生,持效均为3天。增加施药剂量可明显增加持效期。上述两种微生物杀虫剂3g/m~2或3ml/m~2在污水中可分别持效7～9天和13天。
The effect of two kinds of microbial agents on the spot control of Culex pipiens pallens larvae showed that Vectobac G200 granules could effectively control the larvae of Culex pipiens pallens at 0.5g / m ~ 2 and C_3 ~ 41 emulsions at 1ml / m ~ 2 , Persistence are 3 days. Increase the dose can significantly increase the holding time. The two kinds of microbial insecticide 3g / m ~ 2 or 3ml / m ~ 2 in the sewage can be effective for 7 to 9 days and 13 days.