垂枝型景观榆树育苗技术

The Seedling Raising Technology of Drooping Branch Landscape Elm

垂枝型景观榆树是枝条下垂、平展或斜上伸展,形成伞形或蘑菇状树冠来展示其优美形态的榆属植物统称,特点为无法播种或扦插繁殖,必须依靠特殊的嫁接方法繁育,代表植物为金叶垂榆、大叶垂榆、龙爪榆等。垂枝型榆树自推广以来,作为特殊造型的榆树品种受到市场的认可。该文明确了垂枝型景观榆树的育苗环节,能解决育苗中易出现的问题,显著提高苗木质量和商品价值。

The drooping branch landscape elm is a general term for elm plants with drooping,flat or oblique extension of branches,forming umbrella or mushroom crowns to show their beautiful forms.It cann’t be sowed or propagated by cutting,and must be bred by special grafting methods.The representative plants are Ulmus pumila cv.Jinye,Ulmus pumila cv.Tenue,Ulmus pumila‘Pendula’Kirchner,etc.Since the promotion of the drooping elm,the elm variety as a special shape has been recognized by the market.This paper has confirmed the seedling raising link of the drooping branch landscape elm,which can solve the problems that are easy to appear in the seedling raising,and significantly improve the seedling quality and commodity value.