论文

中原牡丹品种初级核心种质构建与代表性检验

  • 李保印 ,
  • 周秀梅 ,
  • 张启翔
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  • 1. 河南科技学院, 河南新乡 450003;
    2. 北京林业大学国家花卉工程技术中心, 北京 100083
李保印(1965-),男,河南兰考人,教授,博士,主要从事园林植物种质资源创新利用研究。

收稿日期: 2008-12-25

  网络出版日期: 2014-10-14

基金资助

“十五”国家科技攻关项目(2004BA52511)

Construction and Representative Test of Primary Core Germplasms of Tree Peony Cultivars from Central China

  • LI Bao-yin ,
  • ZHOU Xiu-mei ,
  • ZHANG Qi-xiang
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  • 1. Henan Institute of Science and Technology, Xinxiang 453003, China;
    2. The Engineering and Technological Research Center of China, Beijing Forestry University, Beijing 100083, China

Received date: 2008-12-25

  Online published: 2014-10-14

摘要

以400个中原牡丹品种的形态学和农艺学性状为基本数据,采用花型分组,组内按平方根比例策略确定取样量,并使用类平均聚类法取样,获得了中原牡丹品种初级核心种质,其取样比例占总体样本的30%。经检测,初级核心种质与总体种质的31个性状中仅花期1个性状的多样性指数达到了显著差异水平,初级核心种质多样性指数对总体种质的代表性达99.20%,表型保留比例达到了100%。表明,这个包含120个样本的初级核心种质能在表型性状上很好地代表总体种质的遗传多样性。

本文引用格式

李保印 , 周秀梅 , 张启翔 . 中原牡丹品种初级核心种质构建与代表性检验[J]. 华北农学报, 2009 , 24(5) : 217 -221 . DOI: 10.7668/hbnxb.2009.05.046

Abstract

Based on the data of morphological and agronomic traits of 400 tree peony cultivars from Central Plains of China,the primary core germplasms,accounting for 30% of the entire accessions,were constructed by UPGMA cluster,the 400 accessions being grouped according to the floral forms and the proportion of square root within groups.The diversity index difference of 31 traits in the primary core collection and the total accessions were tested,and only flowering time presented the significant diversity index difference,indicating that the representation of the primary core collection to the total was up to 99.20% and the ratio of retained phenotype was 100%.This suggested that the primary core collection of 120 accessions could represent the genetic diversity of phenotypic traits for the entire peony varieties.

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