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铁皮石斛栽培居群农艺性状的聚类分析

Cluster analysis of Dendrobium officinale from different populations through agronomy characterization
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摘要 通过资源调查与收集,观察和测量了铁皮石斛栽培种质9个省份38个居群共392份植物样本的茎高、茎直径、茎节数等共14个性状,选取Ward联接法和平方Euclidean距离对样品进行聚类分析。结果显示:以遗传距离为2.77为阈值,38个居群被分为6组。因子分析的结果表明,叶形、茎形、节距和叶颜色等性状对铁皮石斛居群的分类鉴别有重要的意义。该研究为进行铁皮石斛种质资源评价、核心种质构建以及种源追溯奠定基础。 Through resources investigation and sample collection,a total number of 392 Dendrobium officinale from 38 different populations,9 provinces were processed for measuring and observing.Fourteen agronomy characterizations like stem height,stem diameter,number of node in stem were selected for further classification.The cluster analysis was performed using Ward and Euclidean method.The results showed that the threshold of genetic distance was 2.77.Thirtyeight populations were divided into 6 groups.The factor analysis showed that,the leaf shape,stem shape,pitch length and leaf color were very important factors for classification.This study establish the foundation for analyzing the genetic relationship of D.officinale from different populations.
作者 余文霞 董晓曼 雷胄熙 袁媛 顺庆生 魏刚 俞年军 黄润平 吴倩文 YU Wen-xia;DONG Xiao-man;LEI Zhou-xi;YUAN Yuan;SHUN Qing-sheng;WEI Gang;YU Nian-jun;HUANG Run-ping;WU Qian-wen(School of Pharmaceutical Sciences,Guangzhou University of Chinese Medicine,Guangzhou 510006,China;National Resource Center for Chinese Meteria Medica,China Academy of Chinese Medical Sciences,Beijing 100700,China;School of Pharmacy,Anhui University of Chinese Medicine,Hefei 230012,China;Shanghai University of Medicine&Health Sciences,Shanghai 200237,China;School of Traditional Chinese Medicine,Guangdong Pharmaceutical University,Guangzhou 510006,China)
出处 《中国中药杂志》 CAS CSCD 北大核心 2019年第1期53-58,共6页 China Journal of Chinese Materia Medica
基金 中央级公益性科研院所基本科研业务费专项资金项目(ZZ10-008) 中央本级重大增减支项目(2060302).
关键词 铁皮石斛 聚类分析 亲缘关系 Dendrobium officinale cluster analysis genetic similarities
作者简介 通信作者:袁媛,研究员,主要从事中药鉴定与分子生药学研究,Tel:(010)64087649,E-mail:y_yuan0732@163.com;通信作者:魏刚,研究员,博士生导师,主要从事中药创新药物研究与指纹图谱分析、石斛类药材规范研究,E-mail:weigang021@163.com;余文霞,硕士研究生,E-mail:1250262617@qq.com
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