灭幼脲防治杨柳小卷蛾技术  

Technique on Control Gypsonoma minutana by Difluron

作　　者：李东霞[1] 

机构地区：[1]海晏县林业站,青海海晏812200

出　　处：《青海农林科技》2008年第3期68-69,71,共3页Science and Technology of Qinghai Agriculture and Forestry

摘　　要：杨柳小卷蛾连年发生,对海晏县人工营造的乌柳林造成较大的危害。通过25%的灭幼脲3号悬浮液1200g.hm-2和1000g.hm-2不同浓度的配比试验,从虫口减退率入手分析了该药剂的实际防效,结果表明两种浓度的药剂防效均在83%以上,且持效期长,对天敌及周围环境无危害,适合在今后的防治工作中使用。Gypsonoma miuntana is happened year by year in Haiyan Qinghai recently. Control Gypsonoma minutana were tested by 25% difluron No. 3 in Haiyan which concentration at 1200g·ha^-1and 1000 g·ha^-a to learn their control effect. The results showed the two concentration control effect were both over 83%. And control effect was sustained longer. There were harmless for natural enemy and around environmen. It could be applied to control Gypsonoma minutana from then on.

关 键 词：灭幼脲 杨柳小卷蛾 防治技术 海晏县 

分 类 号：S763.3[农业科学—森林保护学]