%0 Journal Article
%T Genetic diversity of Phyllanthus emblica populations in dry-hot valleys in Yunnan<br>云南干热河谷地区余甘子居群的遗传多样性研究
%A Qiaoming Li
%A Jianli Zhao
%A <br>李巧明
%A 赵建立
%J 生物多样性
%D 2007
%I Science Press
%X Phyllanthus emblica(Euphorbiaceae)is one of the dominant species distributed in dry-hot valleys of southwestern China.Besides its function in ecology,environment and reforestation,it is also an important medicinal plant.We studied the genetic diversity in four populations of P.emblica sampled from dry-hot valleys of Yunnan using ISSR(inter-simple sequence repeats)markers.Based on 12 primers,135 clear and reproducible DNA fragments were generated,of which 115 were polymorphic,accounting for 85.19%.The coefficient of genetic differentiation(GST)equaled 0.1222.Such a high level of genetic diversity and low level of population genetic differentiation might result from the breeding system of this species.There was a lack of significant association between genetic and geographical distances(r=0.19798,P=0.6513>0.05)among P.emblica populations.The results suggest some important recommendations about sampling meth-ods to be used in ecological reforestation of dry-hot river valleys.
%K ISSR<br>药用经济植物
%K 遗传结构
%K 遗传分化
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=284A3BE2D09272C2DA95716775015427&aid=C8186FC70D2A2D90&yid=A732AF04DDA03BB3&vid=23CCDDCD68FFCC2F&iid=CA4FD0336C81A37A&sid=656F8C8401D91023&eid=C753EB8AC8F551B9&journal_id=1005-0094&journal_name=生物多样性&referenced_num=9&reference_num=46