株洲市金叶女贞主要病虫害发生规律及防治对策

The outbreak regularity and control methods of the main diseases and insect pests for Ligustrum×vicaryi in Zhuzhou

随着金叶女贞在园林绿化中应用面积的增大和应用时间的延长,病虫害逐渐发生并日趋严重.2008—2009年对株洲市金叶女贞病虫种类的调查结果表明,株洲市金叶女贞为害较为严重的主要有叶斑病、白粉虱、烟煤病等,对其症状、发生规律进行观察,并提出防治方法.

Ligustrum×vicaryi has become one kind of the widely used tree,but along with the cultivation area increased and the time of utilization extended,the plant diseases and insect pests become more serious.The author investigated the main diseases and insect pests from 2008 to 2009 in Zhuzhou,the result showed that the main diseases and insect pests was leaf spot,Trialeurodes vaporariorum Westwood and Ncocapnodium tanakae.The paper stated the injured symptoms,regularity of outbreak and control methods,the aim was to put forward techniques support for urban greenland management in Zhuzhou at last.