Corylus heterophylla vegetative propagation was relatively difficult, layering method was mainly used at present, but low coefficient of propagation limited mass production of its seedlings.

• 摘要榛子是一种无性繁殖相对困难的树种，目前主要采用压条法进行繁殖，繁殖系数低，这限制了榛子苗的大量生产。