青藏高原东南缘甘孜州青杨组杨树病虫调查

Investigation on Diseases and Pests of Section of Tacamahaca polar in Ganzi Prefecture along the Southeast of Qing hai Tibet Plateau

1994年～ 1996年三年时间 ,对甘孜州现有 10种 1变种青杨组杨树病虫进行了调查 ,经整理、鉴定出主要病害 2 9种 ,虫害 2 4种 ,病虫天敌 10类 ,属国家发布的森林植物检疫对象 2种。分析了主要病虫害发生特点。

The diseases and pests of existing ten species and one varietaten of tacamahaca polar had been investigated from 1994 to 1996.After having sorted the data,We had appraised twenty nine main diseases,twenty four pests,ten sorts of opponents of diseases and pests and two sorts of forestry plant quarantion objects issusd by state.And the happening characteristics of main diseases and pests were analysed.