苏特灵Bt生物杀虫剂防治松毛虫持效的研究  

The long - lasting effects of using Suteling Bt biological insecticides to prevent and control Dendrolimus sp.

作　　者：杨云博 刘桂英 陈云峰 靳宝良 刘放 

机构地区：[1]葫芦岛市森防站,辽宁葫芦岛121500 [2]兴城市森防站,辽宁兴城121520 [3]北京科瑞森生物工程有限责任公司,北京100089

出　　处：《辽宁林业科技》2003年第1期11-12,共2页Liaoning Forestry Science and Technology

摘　　要：为了探明苏特灵Bt生物杀虫剂防治松毛虫的持效作用,在辽宁兴城市闻家林场进行了系统研究,结果表明,苏特灵不但对松毛虫幼虫杀虫效果好,可达90.3％～96.3％,而且在蛹期、成虫期均有作用,苏特灵防区比对照区的死蛹率提高25％,并影响成虫羽化率和产卵量,说明Bt生物杀虫剂防治松毛虫具有持效作用。The systematic studies on long - lasting effects of application of Suteling Bt biological insecticides to prevent and control were conducted in Wenjia farm of Xingcheng city in Liaoning. The results showed that: the killing effects of Suteling were not only great for larvas of DendroLimus sp. , which reached 90.3 % ~ 96.3 % , but available during pupa and insect stages. the death rate of pupa in prevention was 25 % higher than that in control trails, and featherization rate of insect and yield of eggs were curbed, which proved that Bt biological insecticides was of long - lasting effects for prevention and control Dendrolimus sp. .

关 键 词：苏特灵 BT生物杀虫剂 防治 松毛虫 持效作用 

分 类 号：S763.421[农业科学—森林保护学] S767.32[农业科学—林学]