摘要
贵州石笔木(Tutcheria kweichouensis Chang et Y.K.Li)为山茶科常绿乔木,自然分布极狭.我们对其进行了资源调查、种质保护与持续利用的基础研究.结果表明:1.迄今仅发现分布于贵州省赤水市金沙沟局部常绿落叶阔叶混棍交林区,植株稀疏,局部种群通过扩散个体相互联系,具Meta一种群(Metapopulation)特征,成熟种子在自然条件下,播种两年以后方可部分萌发,种子自然萌发率≤5%,迁地保护植株存活率30%;2.树木木材硬,强度中,结构甚细、均匀,材质优良;3.野生果大,平均达65.6克,果仁含脂肪61.17%,含纯蛋白20.19%,果肉富含茶多酚(TP),VE,VC,总糖等,颇具经济价值.因此急需对其种质资源进行有效保护,突破繁殖和扩大栽培技术,解决种质资源的持续利用.
Tutcheria kweichouenis Chang et Y.K.Li is a kind of evergreen tree of Theaceae, and their distribuete in wild is very narrow, it is found growing in the mixed forest of evergreen and deciduous trees in Jinshagou village of Chishui city now. Local population is constituted by sparse plant, and formed Matapopulation ecology Characteristic. In natural condition, a few of their seeds is germinative when have sown period ≥ 2 years, rate of nature germinate of seed ≤ 5%, rate of living in ex situ is 30%, and species is endangered. The wood is harder, and is a good building materials, The fruit average single weight is 65.6 g,the content of fat and pure protein in their kernel is 61.17% and 20.19% respectively , and content of Tea Polyphenols, Vitamin E & C, total carbohycrate is very much in their pulp, and therefore introduction, propagation, and conservation to them is very important.
出处
《贵州科学》
1996年第4期60-65,共6页
Guizhou Science
基金
贵州省科学技术基金资助课题
关键词
贵州
石笔木
保护
利用
种质资源
阔叶乔木
Tutcheria kweichouensis Resources investigation Protection and Utilization
