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紫斑牡丹关联分析群体的表型分析

庞利铮, 成仿云, 钟原, 蔡长福, 崔虎亮

庞利铮, 成仿云, 钟原, 蔡长福, 崔虎亮. 紫斑牡丹关联分析群体的表型分析[J]. 北京林业大学学报, 2012, 34(6): 115-120.
引用本文: 庞利铮, 成仿云, 钟原, 蔡长福, 崔虎亮. 紫斑牡丹关联分析群体的表型分析[J]. 北京林业大学学报, 2012, 34(6): 115-120.
PANG Li-zheng, CHENG Fang-yun, ZHONG Yuan, CAI Chang-fu, CUI Hu-liang. Phenotypic analysis of association population for flare tree peony[J]. Journal of Beijing Forestry University, 2012, 34(6): 115-120.
Citation: PANG Li-zheng, CHENG Fang-yun, ZHONG Yuan, CAI Chang-fu, CUI Hu-liang. Phenotypic analysis of association population for flare tree peony[J]. Journal of Beijing Forestry University, 2012, 34(6): 115-120.

紫斑牡丹关联分析群体的表型分析

Phenotypic analysis of association population for flare tree peony

  • 摘要: 在紫斑牡丹主栽区甘肃筛选出一个由150株实生单株组成的关联分析群体,在对共计32个性状进行调查的基础上,对表型进行了变异统计分析、主成分分析和相关性分析。结果表明:该群体22个数量性状变异极显著(P0.01),性状变异系数为10%~30%;10个分类性状变异类型丰富,表型变异在紫斑牡丹中具有代表性;主成分分析表明枝芽性状和叶片长度是主要的性状变异,表型变异在群体内分布均匀、无明显层次结构,但性状间存在不同层次的相关性。上述结果表明该群体是进行紫斑牡丹关联分析研究的理想群体。
    Abstract: By extensive investigation in Gansu Province of northwestern China, where flare tree peonies are concentratedly cultivated, this study selects one population that is composed of 150 seedlings to evaluate the adaptability for association analysis in molecular assisted selection. Totally 32 characters were investigated and analyzed, on which phenotypic variation analysis, principal component analysis (PCA) and correlation analysis were conducted. The results showed that the variation of all 22 numerical traits was extremely significant (P0.01) and the coefficient of variation (CV) was 10%-30%, all 10 taxonomic characters had a rich variation in phenotypes, representing phenotypic variations of P. rockii hybrids. PCA showed that the traits of stems and buds and the length of compound leaves were the best predictor of polymorphism patterns in flare tree peonies, and the variation of phenotypes was with equal distribution within this population without conspicuous structure, but a hierarchical relationship was observed among different traits. The above results indicate that this selected population is well suited for the association analysis of charactermolecular marker in P. rockii hybrids.
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出版历程
  • 收稿日期:  1899-12-31
  • 修回日期:  1899-12-31
  • 发布日期:  2012-11-29

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