摘要
该文研究了杨细蛾LithocoletispopulifolielaTrietschke在新疆阿勒泰地区河谷林的发生与环境的关系,并采用物侯法,有效积温法、历期推算法对该虫成虫、卵、幼虫的发生期进行预测,以成虫或卵为基数预测3龄幼虫发生量。提出了加强营林措施,保护天敌及使用40%氧化乐果,80%敌敌畏或用50%杀螟硫磷,50%倍硫磷乳油的稀释液防治幼虫。
The paper deals with the relationship between the occurrence of Lithocolletis populifoliella and environment in the forests in river valley of Aletai District.It also forecasts the occurring duration of the insects,eggs and larvae and the population of the 3rd instar larvae based on the quantity of insects or eggs.The control techniques of the insect are mentioned,too.
出处
《森林病虫通讯》
北大核心
1999年第1期13-14,共2页
Forest Pest and Disease
关键词
杨细蛾
测报
防治
发生期
发生量
Lithocolletis populifoliella , forecast, control, occurring duration