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本文通过不同浓度药剂对比试验,验证70%吡虫啉、2.5%鱼藤酮、0.3%印楝素3种药剂对设施辣椒烟粉虱的防治效果。结果表明:70%吡虫啉1 500倍液、2.5%鱼藤酮1 000倍液、0.3%印楝素2 000倍液对烟粉虱防治效果都较好,有一定安全性,均可推广使用。
In this paper, different concentrations of pharmaceutical comparison test to verify the 70% imidacloprid, 2.5% rotenone, 0.3% azadirachtin three kinds of agents on the control efficacy of pepper whiteflies. The results showed that the control effect of 70% imidacloprid 1500 times, 2.5% rotenone 1000 times and 0.3% azadirachtin 2000 times on the Bemisia tabaci were all better, with some safety, which could be used widely.