论文部分内容阅读
杨树生长迅速,适应性强,易于繁殖,材质较好,能很快提供用材,或防护农田作用,是我区防护林和四旁植树的主要树种,深受各族群众欢迎.但其生长过程中,由于因地制宜选用良种不够,经营管理不善,防治措施跟不上去,常发生大面积的病虫为害,给发展杨树和杨树健康生长,造成很大影响,应引起我们的高度重视,做好对杨树病虫害的综合防治工作.
Poplar growing rapidly, adaptable, easy to reproduce, better material, can quickly provide timber, or the role of farmland protection, shelterbelt in my area and the main tree planting around, welcomed by all ethnic groups, but its growth process , Due to the lack of good varieties for local conditions, poor management and control, and prevention and control measures that can not keep up, pests and diseases often occur in large areas. The development of poplar and poplar trees has a great impact on the development of poplar trees and poplar trees. Therefore, we should attach great importance to Yang Tree pest control work.