摘要
金寨县通过2003～2005年林业有害生物普查,基本摸清了全县主要森林害虫种类、结构分布与危害。全县主栽的13个树种中,普查到害虫402种,其中危害程度轻微、中等、严重的害虫分别为353、35和14种,分别占害虫种类总数的87.81%、8.71%和3.48%。害虫的分布结构为:食叶害虫(286种)>枝梢害虫(77种)>蛀干害虫(24种)>果实害虫(9种)>根部害虫(6种)。总体发生率51.4%,其中危害轻微、中等和严重的发生率分别为32.87%、12.85%和3.67%。
Based on a forest pest survey conducted from 2003 to 2005,the species,structural distribution and damages of the main forest pests in Jinzhai County were generally known.On the 13 main planting tree species in the whole county,402 pest species were identified in the survey,and among them,353,35 and 14 species caused slight,moderate,severe damages,accounting for 87.81%,8.71% and 3.48% of the total pest species respectively.The structural distribution of the pests was leaf eaters： 286 species;branch pests： 77 species;borers： 24 species;fruit pests： 9 species;and root pests： 6 species.The overall incidence of these forest pests was 51.4%,while slight,moderate and severe incidences were 32.87%,12.85% and 3.67% respectively.
出处
《安徽林业科技》
2011年第5期33-35,共3页
Anhui Forestry Science and Technology
关键词
森林害虫
种类组成
结构分布
危害特征
Forest pests
Species composition
Structural distribution
Damage characteristics
