新银合欢品种抗榕片圆蚧的选择研究

Selection of silk tree breed of Leucaena glauca with resistance character to scale insect Aonidiella stoetsu

通过引进新银合欢品系6个品种在相同环境条件下，同一时间、同一林地内种植，5年后经调查比较，结果表明，新银合欢6个品种抗榕片圆故的能力有明显的差异，其中以K156最强，K191最差，排序为：K156＞K67＞K45＞K192＞K8＞K191。K156是金沙江干热河谷抗虫、速生、丰产的优良树种。

The resistallce to scale insect (Aondella sotetsu Takahashii) of six breeds (K156. K67. K45. K192. K8,K191) of silk tree [Leucaena glauca (L.) Benth] which were intreduced and planted in the same cireumstane,time and field 5 years ago were inspected and compared . The results indicate that the different among the 6breeds are very obvious. The order is below: K156 > K67 > K45 > K192 > K8 > K191, K156 is the best breed inresistance to the pest and in adoption to the cireumstance of hot-dry valley of the Jinsha river.