森得保粉剂对油茶尺蛾的防治效果  

Effects of Controlling Biston marginata Shiraki with the Mixture of Avermectin B1a and Bacillus thuringiensis

作　　者：王玲 陈志云 陈嘉杰 李东文 李奕震[3] 

机构地区：[1]中山市森林病虫害防治检验站,中山528403 [2]中山市林场 [3]华南农业大学林学院

出　　处：《广东林业科技》2010年第3期52-54,共3页Forestry Science and Technology of Guangdong Province

基　　金：中山市财政资助的中山市林业科研与推广的自立项目

摘　　要：油茶尺蛾(Biston marginata Shiraki)是近年来广东省中山市阔叶混交林内出现的重要害虫。在林间,森得保原药与钙粉比例1∶16,1∶20,1∶24和1∶30的杀虫率分别为91.71%,87.28%,84.71%和81.90%。用30倍钙粉稀释的森得保粉剂防治1 113.5 hm2林地的油茶尺蛾幼虫,平均虫口减退率为80.13%。Biston marginata Shiraki was an important pest of broad-leaved and broad-leaved mixed forests in Zhongshan city of Guangdong province in recent years. The larval mortalities caused by the mixtures whose proportions between Sendebao dusts （the mixture of avermectin Bla and Bacillus thuringiensis） and neutral carrier （Ca（HCO3）2 powder） were 1： 16, 1： 20, 1： 24 and 1： 30 were91.71% ,87.28% ,84.71% and 81.90% in the forest, respectively. The mixture whose proportion between Sendebao dusts and the powder was 1：30 was dusted to control the 1arvae of Biston marginata in the wood whose acreage was 1 113.5 hm^2, and the population density reduced 80.13%.

关 键 词：油茶尺蛾 森得保粉剂 防治效果 

分 类 号：S763.42[农业科学—森林保护学]