摘要
于2010年在醴陵市首次发现湿地松粉蚧危害,经线路踏查和样地调查相结合的方法调查,调查结果为:其主要分布在醴陵市的南部乡镇,国外松有虫株率达66.4%,严重的平均虫口密度(头/梢)达29.25头。
The first occurrence of Oracella acuta in Liling City was in 2010.The survey method was combined with line survey and sampling survey,the survey results:the occurrence mainly distributed in the southern town of Liling City,ex﹣otic pine insect strain rate of 66. 4%,severe average larval density is 29. 25 insects per branch.
出处
《湖南林业科技》
2016年第4期94-96,共3页
Hunan Forestry Science & Technology
基金
湖南省林业科技计划项目(XLK201403)
关键词
湿地松粉蚧
调查发生
Oracella acuta
investigation
occurrence