%0 Journal Article
%T Genetic relationships among Chinese and American isolates of Phytophthora sojae by ISSR markers<br>中国和美国大豆疫霉群体遗传结构的ISSR分析
%A Ziying Wang
%A Yuanchao Wang
%A Zhengguang Zhang
%A Xiaobo Zheng
%A <br>王子迎
%A 王源超
%A 张正光
%A 郑小波
%J 生物多样性
%D 2007
%I Science Press
%X The genetic diversity of three geographic populations of Phytophthora sojae from China and the United States was determined using technique of inter-simple sequence repeat(ISSR).A total of 102 repro-ducible ISSR fragments were scored among 111 individuals,of which 88(86%) were polymorphic.Analysis of genetic variation showed that there existed higher genetic variation in the United States population in comparison to the Chinese populations.Nei's genetic identity and principal component analysis indicated that the populations of Fujian and the United States are closer to each other than to Heilongjiang populations.Shannon-Wiener diversity index revealed that the United States populations have a higher genetic diversity than that of the Chinese populations.These data support the hypothesis that P.sojae in the United States might not have been introduced from China.
%K Phytophthora sojae
%K genetic diversity
%K origin
%K geographic distribution<br>大豆疫霉
%K 遗传多样性
%K 起源
%K 地理分布
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=284A3BE2D09272C2DA95716775015427&aid=E2D00332F245974B&yid=A732AF04DDA03BB3&vid=23CCDDCD68FFCC2F&iid=38B194292C032A66&sid=1B64850025D0BBBE&eid=E089FDF3CDAE8561&journal_id=1005-0094&journal_name=生物多样性&referenced_num=9&reference_num=25