广西科学2012，Vol.19Issue(3)：279-283,5.
西南桦人工林有害生物调查研究
Pest and Disease Investigation of Betula alnoides in Guangxi
摘要
Abstract
In order to control the possible damage of pest and disease to the plantation of Betula alnoides ,the plantations of Betula alnoides in 12 counties (Youjiang,Pingguo,Tiandong,Tian- - lin,Longlin, Linyun, Jinxi, TianE, Pingxiang, Zhaoping, Nanning and Rongshui) of Guangxi were investigated from 2003 to 2011, which was carried out along line way and standard unit forest land. The results showed that there were 47 species of pest and disease in the plantations of Betula alnaides ,including 6 species of diseases,35 species of insects and 6 species of plants. According to the damage classes,6 species belonged to serious damage, 13 medium damage and 28 light damage. According to the damage positions, 13 species damaged trunks and branches, 30 species damaged leaves and 4 species damaged roots. The pest and disease were discovered ^pa all 12 counties of Guangxi, of which the pest seriously damaged the plantation of Betula alnoides in Tianlin, TianE and Jinxi counties. The main damages came from Arbela bailbarana ,Phoma sp. ,Pharela flevescens, Mesonura rufonota ,Dactylispa latispina and Loranthu sparasitica. All the pest and disease discovered in the investigation are local species in Guangxi and can be controlled by silvicultural,biological or chemical measures. There have yet been found any pest disaster dangerous to the plantationof Betula alnoides in Guangxi. As the plantations of Betula alnoides are becoming more and more in Guangxi,their pest and disease should be considered seriously.关键词
西南桦/有害生物/调查Key words
Betula alnoides, pest and disease,investigation分类
农业科技引用本文复制引用
庞正轰,曹书阁,刘有莲,陈顺秀,周燕萍,吴国东,黄妹兰..西南桦人工林有害生物调查研究[J].广西科学,2012,19(3):279-283,5.基金项目
广西林业局“十五”科技项目(桂林科字[2001]第80号)资助. （桂林科字[2001]第80号）
