兰州市行道树树种现状调查

Investigation on Situation of Roadside Trees Species in Lanzhou City

通过对兰州市区道路树种的栽植概况调查,结果表明:目前兰州市区共有行道树树种18种,其分属10科12属,乡土树种占61%,其中刺槐、臭椿、旱柳、白蜡等树种后期病虫害严重,作为行道树将在兰州市区逐渐淘汰。并通过对行道树种的选择,筛选出适宜市区可推广应用的行道树种类有21种,分属13科17属,乡土树种占62%。

Based on investigation of planting situation of roadside, trees species in Lanzhou city proper, the results showed that： there were 18 kinds of roadside trees species, belonging to 10 families and 12 genera, and native tree species accounted for 61%, among Robinia pseudoacacia, Ailanthus altissima, Salix matsudana, Fraxinus chinensis that. had serious post-pests and diseases in late stage, they would be gradually eliminated as street trees in Lanzhou city. 21 types of roadside trees species that were suitable for popularization and applicati were selected, belonging to 13 families and 17 genera, native tree species accounted for 62%.