摘要
1999年 4月份以来 ,松原市城区街路部分绿化柳树较历年萌动迟缓 ,相继发生死亡。经调查死亡率为 16% ,直接经济损失 2 0余万元。经专家鉴定是柳树烂皮病所致 ,本文阐述了其病原、病因、表现症状。
Some of willows along urban avenue in Songyuan died due to attack of Valsa sordida Nit. Etiology, symptom, occurrence regularity and control method were introduced in the paper.
出处
《吉林林业科技》
北大核心
2000年第3期23-24,共2页
Journal of Jilin Forestry Science and Technology
关键词
柳树
烂皮病
污浊腐皮壳菌
流行规律
防治
Valsa sordida Nit.
pathoginic bacteria
occurrence regularity
