海东市柳树丛枝病的危险性分析

Risk Analysis of Willow Arbuscular Disease in Haidong City

柳树丛枝病是目前海东市杨柳科柳属植物的主要病害之一,柳树丛枝病对行道树、园林绿化树危害较重,树木生长受到影响,造成苗木顶梢停止生长,侧梢丛生,进入秋季变成黑褐色,如小鸟巢穴悬挂在枝干上,影响了树木观赏性和市容市貌。为了加强对海东市柳树丛枝病的管理,有效控制其危害和进一步扩散蔓延,采用有害生物危险性分析(Pest Risk Analysis)方法,对柳树丛枝病在海东市的危险性进行了定性、定量相结合的分析,认为柳树丛枝病在海东市属于中度危险性的林业有害生物。

Willow arbuscular branch disease is one of the main diseases of willow family in Haidong City at present.Willow arbuscular branch disease is harmful to street trees and garden greening trees,and the growth of trees is affected,resulting in seedling top tip growth,side shoot cluster,and turning dark brown into autumn,such as bird nest hanging on branches,which affects the ornamental nature of trees and the appearance of the city.In order to strengthen the management of willow arbuscular disease in Haidong City,effectively control its harm and further spread,the risk of willow arbuscular disease in Haidong City was analysis(Pest Risk Analysis) method,and it was considered that willow arbuscular branch disease was a moderately dangerous forestry pest in Haidong City.