3个美国绣线菊品种的引种栽培及园林应用

Introduction of three American spiraeas and their application in garden

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 5a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 50cm ,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

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.