摘要
2007-2010年对西安市行道树国槐(Sophora japonica)主要害虫种群进行调查,基本查清了西安市行道树国槐的虫害种类和各种虫害的发生规律、分布范围,发现行道树国槐上常见虫害23种,其中需要进行防治的有9种,分别是国槐叶螨(Tetranychus truncates)、槐蚜(Aphis robiniae)、槐木虱(Cyamophila willieti)、大青叶蝉(Cicadella viridis)、槐花球蚧(Eulecanium kuwanai)、草履蚧(Drosicha Corpulenta)、槐尺蠖(Semiothisa cine-rearia)、槐叶柄小蛾(Cydia trasias)、双齿小蠹(Sinoxylon japonicus)。对9种常见害虫进行了为害特点的研究,发现国槐害虫的种群消长动态依时间变化而变化。同时发现益虫13种。
This study was carried out in 2007-2010 on the major pest and natural enemy species of city footpath-trees,Sophora japonica,in XI＇an.These,namely,the pest and natural enemy species,occurrence regulation and distribution area,were primely investigated.In this paper,23 pest species and 13 natural enemy species were recorded.Among the pest species,9 species,namely Tetranychus truncates,Aphis robiniae,Cyamophila willieti,Cicadella viridis,Eulecanium kuwanai,Drosicha Corpulenta,Semiothisa cinerearia,Cydia trasias and Sinoxylon japonicus,were classed as major pests.In this paper,the damage symptoms and the population dynamics of this 9 species were also studied.
出处
《武夷科学》
2010年第1期100-104,共5页
Wuyi Science Journal
基金
西安市市容园林局科技项目"西安市主要园林植物有害生物无公害防治技术研究"2008
关键词
行道树
国槐
害虫资源
天敌
西安市
city footpath-street
Sophora japonica
pest
natural enemy
Xi＇an
