芍药科 43 种观赏牡丹的表型多样性研究及综合评价分析牡丹

bioRxiv Pub Date : 2024-08-08 DOI:10.1101/2024.08.06.606934
Hui-yan Cao, Shi-yi Xu, Meiqi Liu, Shan Jiang, Lengleng Ma, Jian-hao Wu, Xiao-Zhuang Zhang, Ling-yang Kong, Weichhao Ren, Zhi-yang Liu, Xi Chen, Wei Ma, X. Liu
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引用次数: 0

摘要

牡丹科的牡丹属植物。牡丹为多年生草本植物,观赏品种繁多,花色、花形丰富多样。它具有观赏、食用和药用价值,在中国有悠久的栽培历史。对植物表型多样性的研究是芍药科植物育种的重要基础。芍药育种的重要基础。本研究对芍药科 43 个品种的种质资源进行了表型多样性分析、主成分分析和聚类分析。芍药种质资源进行了表型多样性分析和聚类分析。表型性状包括 30 个质量性状和 7 个数量性状。通过遗传多样性分析、主成分分析、综合评价和聚类分析,我们最终得出结论:植物样本具有相对丰富的遗传表型性状。在主成分分析中,前 12 个主成分涵盖了表型性状的绝大部分信息。表型性状的综合评价结果表明,种质样本中各品种的 F 值均为正数。雄蕊花瓣的程度在决定植株表型多样性中起关键作用,子叶和小叶的形状可能决定植株的抗逆性能,这为培育牡丹科牡丹新品种提供了参考。牡丹
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study on the phenotypic diversity and comprehensive evaluation analysis of 43 ornamental peonies of Sect. Paeonia
The peony of Sect. Paeonia was a perennial herbaceous plant with numerous ornamental varieties and riched diversity in flower color and shape. It has ornamental, edible, and medicinal value and a long history of cultivation in China. The study of phenotypic diversity of plants is an important foundation for plants of Sect. Paeonia breeding. This study conducted phenotypic diversity analysis, principal component analysis, and cluster analysis on 43 varieties of Sect. Paeonia germplasm resources. Phenotypic traits included 30 qualitative traits and 7 quantitative traits. Through genetic diversity analysis, principal component analysis, comprehensive evaluation, and cluster analysis, we ultimately concluded that plant samples had relatively rich genetic phenotype traits. In principal component analysis, the first 12 principal components have covered the vast majority of information for phenotypic traits. The comprehensive evaluation results of phenotypic traits indicate that the F values of each variety in the germplasm sample were all positive number. The degree of stamen petals played a key role in determining the phenotypic diversity of plants, and the shape of the cotyledons and leaflets may determine the plant’s stress resistance performance, which provides a reference for breeding new varieties of peonies of Sect. Paeonia.
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