校园行道树生长调查及配置分析

本文以北京农学院几条主要道路的行道树--毛白杨、国槐、二球悬铃木、银杏和雪松以及一些附属小乔木和花灌木作为调查对象,对其树龄、胸径、树高、冠幅、株距和病虫害等问题进行了调查和分析.结果表明校园行道树整体长势良好,但国槐尺蠖食叶问题和银杏、雪松的配置问题比较严重.在调查、分析的基础上,对校园行道树的树种选择、配置和管理等问题作了探讨,并提出可选用栾树、糠椴等树种作为行道树栽植的建议.

Growth Investigation and Disposition Analysis of the Street Trees on Campus

Investigation and analysis of age, DBH, height, crown width, planting space, tree diseases and insect pests were conducted on street trees along several main streets in Beijing Agricultural College, including Populus tomentosa, Sophora japonica, Platanus acerifolia, Ginkgo biloba, Cedrus deodara and some subsidiary arbores and shrubs The result showed that street trees grew well generally, but problem of Semiothisa cinerearia's eating leaves and disposition of Ginkgo biloba and Cedrus deodara were serious Particular attention was paid to the selection of tree species, the disposition and management of street trees on campus Koelreuteria paniculata and Tilia mandshurica etc were recommended as suitable species of street trees on campus