荆州城区秋色叶树种资源调查与分析

Investigation and Analysis of Fall-color Tree Germplasm Resources Planted in Jingzhou City

采用实地调查的方法,对荆州城区植物种类比较丰富的有代表性的园林绿地内的秋色叶树种的资源、秋叶颜色、生长状况、配置方式、观赏效果等进行了详细的调查,结果表明:荆州城区内种植的主要秋色叶树种有27种,来源于16科20属;秋叶呈红色系的树种主要有鸡爪槭、三角枫、南天竹、悬铃木、枫香、水杉、池杉等,呈黄色系的树种主要有银杏、复羽叶栾树、鹅掌楸、无患子等。分析了荆州城市在秋色叶树种资源开发利用方面存在的问题,并提出了相应的对策,为江汉平原乃至华中地区的城市利用秋色叶树种进行造景提供参考。

In order to understand the germplasm resource of fall-color trees planted in green space of Jingzhou City,the species amount,growth status,configuration mode and color performance of fall-color trees were surveyed in detail by on-the-spot investigation.The results showed that there were 27 fall-color-tree species which belong to 16 families and 20 genus.The fall-color trees mainly performed red or yellow in color,for example Acer palmatum,Acer buergerianum,Nandina domesticaturned red in autumn,while Ginkgo biloba,Koelreuteria bipinnata,Liriodendron chinense turned yellow in autumn.Based on the investigation,the development and utilization of fall-color trees in landscape gardening of Jingzhou City were evaluated.Therefore the corresponding countermeasures were put forward.It provided reference for improving the landscape design using fall-color trees in Jianghan Plain and even Central China.