秦岭野生杜鹃花属植物种质资源调查研究

Investigation on Rhododendron Germplasm in Qinling Mountains

通过查阅文献和实地调查,对秦岭山区野生杜鹃花属植物资源的种类、分布和观赏特性进行了初步的分析。结果表明,秦岭地区野生杜鹃花属植物种质资源丰富,共有野生杜鹃花属植物资源28种,占我国杜鹃花种类的5.1%,分属于有鳞杜鹃亚属、常绿杜鹃亚属、映山红亚属和马银花亚属4个亚属,且大部分具有较高的观赏价值和园林应用价值。并提出了加强当地杜鹃花资源保护工作的建议,以确保资源的永续利用。

Investigation was carried out on the Rhododendron from the aspects of the number of species, distributions,and ornamental characteristics in the Qinling Mountains. From literature retrieving and on site survey,28 wild species of Rhododendron were found, accounting for 5. 1% of those found in China. They belong to 4 subgenera： subgenus Hymenanthes,subgen Azaleastrumrn subgen Tsutsusi and subgenus Rhododendron. Most of the species demonstrated high ornamental values and potentials to be applied in landscape architecture. Suggestions related to their protection were put forward in order to insure the sus- tainable use.