摘要
分析了杨树病虫害发生的原因及特点,重点介绍了几种杨树常见病虫害的发生规律、为害症状,并提出了综合防治措施。
This article analysed the cause and the characteristic of disease and insect damage on poplar. It introduced majorly patterns of occur,and symptom of injury,and some types common disease and insect damage on poplar. Measures of integrated control were offered at last.
出处
《青海农林科技》
2004年第B03期39-41,共3页
Science and Technology of Qinghai Agriculture and Forestry
