3 个美国绣线菊品种的引种栽培及园林应用

原产美国的金焰绣线菊、金山绣线菊和布什绣线菊, 在杭州园文局苗圃连续5 a 的引种栽培试验结果表明, 在本地区生长良好, 2 年生幼树(2 株1 丛)的冠幅可达50 cm , 无性繁殖容易, 成活率可达90 %。总结出一套较成熟的无性繁殖与栽培技术。金焰绣线菊等3 个品种为叶色、花色均美丽的优秀小灌木, 在园林绿化中值得推广应用。表5 参2

Introduction of three American spiraeas and their application in garden

Spiraea bumalda Gold Flame, Spiraea bumalda Goldmound, Spiraea bumalda Bushin America first , were introduced into Hangzhou from Beijing in 1994 .The results of cultivation for five years successive suggested that a two-year-old young tree had made good growth , with crown diameter of 50 cm .Its vegetative propagation could easily operated with 90 % survival rate .For these species , summarize a set of good vegetative reproduction methods and cultured techniques , and give a proposition in application of garden .