摘要
意杨是睢宁县的重要用材树种.但目前病虫害日益增多.作者从1986年起,开展了主要病虫害的调查和防治试验.结果认为桑天牛、白杨透翅蛾、白杨舟蛾、杨树腐烂病是睢宁县意杨最重大的病虫害.文内还具体地论述了这些病虫害的危害症状、生物学特性、天敌及其防治方法.
The Populus euramericana are very important tree species for timber in suining. However, the diseases and pests in the plantation severely occure. Investigated and controled the main diseases and pests, authers consider Apriona germari, Paranthene tabaniformis, Melalopha anacho-reta and Sordida rot (sordida nip) most dangerous in suining. In addi-tion, the symptoms,biological characters, natural enemies andtheir con-trol methods of those diseases and pests were described in detail in this paper.
出处
《江苏林业科技》
1990年第1期36-39,13,共5页
Journal of Jiangsu Forestry Science & Technology
关键词
意杨
病虫害
调查
防治
Diseases and pests observation control
