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作者报道了苏云金杆菌市售制剂Bactimos可湿粉剂、粒剂和块剂对马来西亚白纹伊蚊和致倦库蚊的毒效和残效。 1.可湿粉剂、粒剂在室外对实验种群的毒效观察:可湿粉剂与粒剂浓度梯度为1mg/L～16mg/L,每盘25条白纹伊蚊早期四龄幼虫,每个浓度设3个重复,并设对照组,制剂投入后24h观察死亡数,一周后再投放幼虫观察24h死亡数,如此重复2周。2.可湿粉剂、粒剂对自然种群的毒效观察:提前2周在橡胶园设置炼乳罐(共6组,每组6只)收集白纹伊蚊卵,并让其孵化发育,投入浓度为1mg/L～16mg/L的可湿粉剂和粒剂,观察
The authors report on the toxic and residual effects of Bactimos wettable powders, granules and block preparations marketed by Bacillus thuringiensis against P. albopictus and Culex pipiens pallens in Malaysia. 1. WP, granules in the outdoor test on the toxic effects observed population: wettable powder and granule concentration gradient of 1mg / L ~ 16mg / L, each 25 25 Ae. Albopictus early fourth instar larvae, each Concentration set three replicates, and set the control group, 24 hours after the preparation into the observation of death number, a week later the larvae were cast to observe the number of deaths 24h, so repeat 2 weeks. 2. Wettable powder, granule on the natural population of toxic effects observed: 2 weeks in advance set up in the rubber plantation condensed milk tank (6 groups, 6 in each group) to collect Aedes albopictus eggs and let hatch development, concentration 1mg / L ~ 16mg / L of wettable powders and granules, observed