摘要
2004年,对吉林省白城地区杨树防护林青杨天牛的为害状况进行了调查,结果显示,平均受害率为14.490%。2005~2008年,选择5个空间距离相互不小于50 km的样地,采用综合措施进行防治,受害率由14.490%降至0.008%。
The damaged conditions of poplar shdterbelts by Saperda populnea was investigated in 2004 in Baicheng region of Jilin Province, China. Averagely, 14.49% of poplar trees were infected by S.popalaea. From 2005 to 2008, the integrated control of S. popalnea was conducted in five selected sample plots, with a distance of about 50 km from each other, in the poplar sheherbelts, and the average infected rate of poplar trees was reduced from 14.49% to 0.008%.
出处
《吉林林业科技》
2009年第3期27-28,62,共3页
Journal of Jilin Forestry Science and Technology
关键词
白城地区
青杨天牛
为害
综合防治
Baicheng area
Saperda populnea
damage
integrated control
