Objective To study the role of total flavonoids of hippophae rhamnoides in improving contactile function of stretched cardiac myocyte.

目的研究沙棘总黄酮在改善心衰状态下心肌细胞收缩功能的作用。

Abstract: The major breeding and nursering technologies of Hippophae rhamnoides L. in Wuqi Coun- ty includs semination, cuttage and other technologies.

吴起县沙棘育苗的主要技术包括播种育苗、扦插育苗和其他育苗等。

There are several pruning methods for Hippophae rhamnoides L. forests, namely, heading-back cut, thinning-out cut, shortening cut, renewal cut, watershoot pruning, etc.

对于一般沙棘林，其修剪方法主要包括短截、疏剪、回缩、更新剪（留桩）、徒长枝的修剪等。

Hippophae rhamnoides L.subsp.sinensis is a heliophyte tree,so that some scholars consider it as a pioneer population,but others regard that the tree regenerate well in natural conditions.

中国沙棘属于阳性树种,因此有些学者将其视为群落演替过程中的先锋种群,而有些学者的研究表明它在自然状态下更新良好。