摘要
松梢螟(Dioryctria splendidella)是我国松林的主要蛀干性害虫,在江西省渝水区与峡江县均有发生。为控制其为害,笔者根据2006～2012年的调查资料,分析了影响松梢螟发生的环境因子。结果表明,该虫的发生与土壤条件、坡向、海拔高度、林龄、郁闭度和林型6个因子关系密切,发生程度表现为土肥适当的林地重于贫瘠林地,阳坡重于阴坡,低海拔区重于高海拔区,郁闭度在0.5～0.7的松林被害最重,纯林重于混交林。
Dioryctria splcndidclla is main trunk borer pests, have occurred in Jiangxi province and Xiajiang county. In order to control the pest, according to the 2006-2012 survey data, the aoutor analy- sis the relationship between the occur- rence of Dioryctria splcndidclla and the environment factors.The result showed that the occurrence of Dioryctria splcn- didclla was closely related to the forest stand conditions, topography and crown density. The pest was more serious in barren land , sorthem slope, lower alti- tude stands and pure stands than fertile soil, northern slope, high altitude stands and mixture stands.
出处
《农业灾害研究》
2012年第6期13-14,共2页
Journal of Agricultural Catastrophology
关键词
松梢螟
发生
环境因子
Dioryctria splendidella
Occurrence
Environment Factors
