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首页> 美国卫生研究院文献>BioMed Research International >Morphological Seed Characterization of Common (Phaseolus vulgaris L.) and Runner (Phaseolus coccineus L.) Bean Germplasm: A Slovenian Gene Bank Example
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Morphological Seed Characterization of Common (Phaseolus vulgaris L.) and Runner (Phaseolus coccineus L.) Bean Germplasm: A Slovenian Gene Bank Example

机译：普通（菜豆）和亚种（菜豆）豆种质的形态种子表征：斯洛文尼亚基因库示例

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摘要

Genetic resources comprised of 953 accessions of common (Phaseolus vulgaris L.) and 47 accessions of runner (Phaseolus coccineus L.) bean from the national Slovene gene bank were characterized using fourteen morphological seed descriptors. Seeds of each accession were evaluated for six quantitative characteristics: seed length, seed thickness, seed width, seed length/width ratio, seed width/thickness ratio, and 100 or 10 seed weight. Furthermore, seeds were evaluated using eight qualitative characteristics: seed colour; number of seed colours; primary/main seed colour; predominant secondary seed colour; distribution of secondary seed colour; seed veining; seed shape; and seed colour (primary and secondary) and coat pattern. For each, common, and runner bean collection, first four components within principal component analysis explained 75.03% and 80.16% of morphological variability, respectively. Regarding Ward's method and squared Euclidian distance, three clusters with the most distinct characteristics were established for each species. The results of morphological seed characterization indicate the origin (Andean, Mesoamerican, putative hybrids between gene pools) and domestication pathways of common and runner bean. This is the first study describing morphological seed characteristics of the entire common and runner bean germplasm conserved in one of the Central European bean collections. The results obtained in this study are serving as the useful information on genetic diversity of common and runner bean accessions at the Slovene gene bank, which could be used for development of new bean varieties for studied seed characteristics.
机译：利用十四个形态学种子描述子，对来自国家斯洛文尼亚基因库的953份普通菜豆（Phaseolus vulgaris L.）和47份转基因菜豆（Phaseolus coccineus L.）的遗传资源进行了表征。评价每个种的种子的六个定量特征：种子长度，种子厚度，种子宽度，种子长度/宽度比，种子宽度/厚度比以及100或10个种子重量。此外，使用八种定性特征对种子进行了评估：种子的颜色；种子的颜色；种子的颜色。种子颜色的数量；主要/主要种子颜色次生种子的主要颜色；次生种子颜色的分布；种子脉；种子形状以及种子的颜色（主要和次要颜色）和被毛图案。对于每个，普通豆和红花菜豆集合，主成分分析中的前四个成分分别解释了形态变异的75.03％和80.16％。关于沃德的方法和欧几里德距离的平方，为每个物种建立了三个具有最鲜明特征的聚类。形态种子鉴定的结果表明普通豆和红花菜豆的起源（安第斯，中美洲，基因库之间的假定杂种）和驯化途径。这是第一项描述中欧一个豆类收藏中保存的整个普通豆和红菜豆种质形态种子特征的第一项研究。这项研究获得的结果可作为斯洛文尼亚基因库中普通豆和红菜豆种质遗传多样性的有用信息，可用于开发用于研究种子特性的新豆品种。

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