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针对山区马尾松毛虫适合烟剂防治的特点,选用1.2%苦.烟乳油喷烟进行山区马尾松毛虫防治试验。结果显示:该药具有速效、低毒、彻底的特性,从经济高效的角度考虑,9倍液稀释浓度适合山区松毛虫防治,害虫死亡率达97.6%,可取代目前生产上常用的菊酯类化学农药喷烟控制马尾松毛虫危害。
In view of the characteristics of suitable pinecat caterpillars in mountainous areas for prevention and control of tobacco smoke, 1.2% bitter tobacco was used to control the masson pine caterpillar in mountainous areas. The results showed that the drug has the characteristics of quick effect, low toxicity and thoroughness. From the viewpoint of economic efficiency, the dilution of 9-fold liquid is suitable for the control of Dendrolimus spectabilis and the mortality rate of pests is 97.6%. It can replace the common pyrethroids Chemical Pesticides Spray Control Masson Pine Caterpillar Hazard.