不同生态型品种茶树在较大的时空差异情况下栽培,其原有的特征特性能否得到保持和发展,这是茶树引种研究的主要问题。本文通过对引种到杭州15年以上的不同生态型品种茶树研究结果认为,茶树跨多纬度引种后,只要能自然适应新的环境条件,则其特征特性和经济性状都能保持相对稳定,叶片等植物学形态虽易变化,但更新后具有恢复性。一材料和方法 (一)品种来源从六十年代初山13个省(区)引进的原始材料中选择了87个品种进行观察鉴定。供试茶树均单行单株 Tea cultivars with different ecotypes cultivated under larger space-time differences can maintain and develop their original characteristics and characteristics, which is the main problem of tea tree introduction. In this paper, the study on tea plants of different ecotypes introduced to Hangzhou for more than 15 years holds that the characteristics and economic traits of tea plants can be kept relatively stable as long as they can naturally adapt to new environmental conditions after the introduction of multi-latitude tea plants. Although botany morphology is easy to change, but after the restoration of a restore. I. Materials and Methods (I) Sources of Varieties 87 varieties of raw materials selected from 13 provinces (autonomous regions) in the mountains in the early 1960s were selected for observation and identification. Test tea trees are single plant