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一、前言杜仲(Eucommia ulmoides Olia)是我国特产的特用经济树种之一,也是优美的园林绿化树种,被列入国家重点保护植物的“红皮书”中.目前在全国范围内,杜仲树的栽培正在扩大之中.然而在杜仲生长繁殖过程中,由于种子发芽困难,常给引种栽培生产造成损失.目前大都采用沙藏层积处理,需经过3～4个月的时间,且发芽率不高,一般只有40%左右.所以,了解种子休
I. Introduction Eucommia ulmoides Olia (Eucommia ulmoides Olia) is one of the special economic tree species of our country and also a beautiful landscaping tree species, which has been listed in the “Red Book” of national key protected plants.At present, Eucommia ulmoides Olia Of the cultivation is expanding.However, in the process of Eucommia growth and reproduction, due to seed germination difficulties, often give introduction and cultivation of production losses.At present, most of the sand reservoir stratification processing, take 3 to 4 months time, and the germination rate Not high, usually only about 40%. So, understand the seeds break