【摘要】 马尾松毛虫Dendrolimus punctatus Walker是马尾松林重要害虫。林间应用超轻型飞机大面积喷洒溴氰菊酯超低容量喷雾、白僵菌纯孢子油剂、菌药混合液超低容量喷雾以及喷洒白僵菌菌粉,其防治效果分别为96．5%、85．7%、95．6%、86．5%。上述的防治措施可作为单独的措施或综合防控中的配套措施使用,同时应用飞机防治解决了树高、林密、水源缺乏、劳力工资昂贵等条件给防治工作带来的困难,是一种适应林区林业生产整体水平而又快速、高效、经济的防治手段。更多还原

【Abstract】 Dendrolimus punctatus was one of several damaged pests in Masson pine(Pinus massonian Lamb)forest.The prevention experiment on D.punctatus by light plane was con- ducted in this study.The prevention effect by applying lower content Deltamethr in area,pure oil of M.beauveria spores,commixed liquid of M.beauveria and Dehamethr,M.beauveria powder were 96.5%,85.7%,95.6% and 86.5% respectively.These prevention methods could be applied alone or integrated.Application of light plane to control pests would be an ef- fective method for D.punctatus prevention.更多还原