摘要
利用 3 3 %的狼毒根部提取液对落叶松毛虫、分月扇舟蛾进行防治的效果较好 ,分别达到 79.3 1%和 77.78% ,而对青杨虎天牛防治效果较差 ,只有 2 0 .0 0 %。
Control test for Dendrolimus superans and Clostera anastomosis were conducted using extracted liquid(33%)from Euphoribia fischeriana root,and good result had been attained(former 79 31% and the latter 77 78%).However the control rate only attained 20% for Xylortrechus rusticus.
出处
《林业科技》
北大核心
2003年第2期25-26,共2页
Forestry Science & Technology
关键词
狼毒
提取液
防治
落叶松毛虫
分月扇舟蛾
青杨虎天牛
Euphoribia fischeriana
Extracted liquid
Control
Dendrolimus superans
Clostera anastomosis
Xylortrechus rusticus
