西南林学院滇润楠主要病虫害初步调查

Preliminary Study on Major Pests of Machilus yunnanensis on the Campus of Southwest Forestry College

摘要: 对西南林学院校园内的滇润楠主要病虫害种类及危害状况进行了调查.长脊冠网蝽、白轮虫介、白脉病及叶斑病是危害滇润楠的主要病虫害种类.其中,长脊冠网D对滇润楠的危害率及危害指数最高,白脉病次之.根据滇润楠病虫害发生情况提出了相应的防治对策与措施.

Abstract: The species and damage of main diseases and insect pests of Machilus yunnanensis were investigated on the campus of Southwest Forestry College.The results showed that the main pests were Stephantitis svenson,Aulacaspis sp.,Hormaphididae insect,white vein disease and leaf spot disease.The maxims of damage rate and damage index were caused by Stephantitis svenson,and the second by white vein disease.According the current situation of disease and insect pest,the corresponding control strategies and countermeasures were proposed.