北方耐寒型彩色树种引种试验

Introduction of Cold-tolerant Colorleaved Tree Species in North China

文章以银果胡颓子、银柳、兰云杉和紫叶稠李等树种为例,介绍了扦插繁殖、组织培养快速繁殖和成树嫁接的关键技术,最后对耐寒型彩色树种在我国北方寒冷地区的引种推广应用前景进行了展望。

This paper describes the distribution, characteristics, habit, ornamental value, results of introduction experiment, and method of seed germination of the introduced color-leaved trees suitable for cold areas in north China. Key techniques of cutting propagation, tissue culture and grafting of example species such as Elaeagnus commutate, Elaeagnus angustifolia, Picea pungens var. Glauca, and Prunus virginiana were illustrated. A prospect extension and application of the cold-tolerant color-leaved tree species in cold areas in north China was presented.