长沙地区观赏竹引种筛选研究

Introduction and screening of ornamental bamboo in Changsha Region

观赏竹是园林植物的重要组成部分,湖南是我国竹子主产区和适生区。为给观赏竹的引种栽培与推广应用提供科学依据和资源保障,针对园林应用中存在的观赏竹种类少的问题,从国内外选择性地引种了观赏竹23属151种(含变种),成功保存了142种,建立了观赏竹专类园和种质资源圃。以观赏竹的观赏性、生长特性和抗寒性为评价指标,建立了观赏竹的评价指标体系,并筛选出了适宜在湖南省长沙地区推广的圣音竹等优良观赏竹66种,可小范围选择性地应用的观赏竹44种。

Ornamental bamboo is an important part of garden plants. Hunan is not only the major producing areas of bamboo, but also the suitable areas for bamboo growth. In order to provide a scientific basis and resource security for introduction, cultivation, widespread application of ornamental bamboo, and to solve the problem of few species of ornamental bamboo in the ornamental garden, 151 species of ornamental bamboo belonging to 23 genera, including varieties, were selectively introduced from abroad. 142 species of ornamental bamboo were preserved successfully, and a specialized garden and a germplasm resource garden of ornamental bamboo were established. Taking ornamental value, growth character and cold resistance as indexes, a evaluation index system of ornamental bamboo was established. Phyllostachys heterocycla cv. Tubaeformis S.Y.Wang and other 65 species of ornamental bamboo were selected to be planted in Changsha, Hunan Province, and 44 species of ornamental bamboo could be planted in a relative small range.