石家庄市国槐小线角木蠹蛾为害情况调查  

Investigation on Damage of Holcocerus insularis to Sophora japonica in Shijiazhuang

作　　者：白瑞霞[1] 王广军 刘洽然 谷彦庆 乔建国 BAI Rui-xia;WANG Guang-jun;LIU Qia-ran;GU Yan-qing;QIAO Jian-guo(Shijiazhuang Institute of Pomology,Hebei Academy of Agriculture and Forestry Sciences,Shijiazhuang 050061,China;Shijiazhuang Landscaping Management Center,Shijiazhuang 050061,China)

机构地区：[1]河北省农林科学院石家庄果树研究所,河北石家庄050061 [2]石家庄市园林绿化管护中心,河北石家庄050061

出　　处：《河北农业科学》2021年第2期90-92,共3页Journal of Hebei Agricultural Sciences

基　　金：河北省建设科技研究计划项目(2017-2058)。

摘　　要：小线角木蠹蛾是国槐的主要蛀干害虫,常造成枯枝,甚至死树。为明确该虫的为害特征,对石家庄市园林绿地国槐受害情况进行调查,结果表明:小线角木蠹蛾为害部位主要分布在国槐主干上,且多位于分枝点附近;总体上,小线角木蠹蛾对园林绿地国槐的为害程度属轻度,但对不同类型绿地中的国槐为害程度差别较大,其中街道国槐行道树受害株平均虫口密度达到3.2片/株,为害程度达到中度,而对公园和苗圃中的国槐为害程度较轻;国槐胸径越大,小线角木蠹蛾为害程度越重。Holcocerus insularis is an important trunk borer of Sophora japonica,which always causes dead branches and even dead trees.To make clear the damage characteristics of this pest,the occurrence situation in the urban garden and greenland of Shijiazhuang was investigated.The results showed that the damaged positions were mainly distributed in the trunk of S.japonica,and most of them were near the branching point.On the whole,the damage was light,but it was different in different types of greenlands.The population density was 3.2 slices per plant in street trees of S.japonica,which was moderate.The damage of S.japonica in garden and nursery was light.Bigger the diameter,heavier the damage.

关 键 词：石家庄市 国槐 小线角木蠹蛾 为害部位 为害情况 

分 类 号：S792.26[农业科学—林木遗传育种] S763.42[农业科学—林学]