【摘要】 异色卷蛾在贺兰山地区一年 1代 ,以初龄幼虫在叶肉中越冬 ,翌年 5月中下旬越冬幼虫开始活动 ,危害青海云杉枝梢顶芽及幼叶。采用喷雾、放烟和喷烟 3种不同方式进行防治试验 ,筛选出最佳防治措施是释放敌马烟剂 ,平均防治效果达 80 %以上更多还原

【Abstract】 Choristoneura diversana attacking Picea crassifolia has one generation a year and overwinters as young larva in mesophylls.The overwintering larva revives in the mid and last 10 days of May the next year.The screening experiments were made with pesticides fogged or smoked.The result showed that Dichlorvos malathion smoke generator was the best option with an average control effect of 80% or more.更多还原