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Genetic diversity of kenaf (Hibiscus cannabinus) evaluated by inter-simple sequence repeat (ISSR)

机译:通过简单序列间重复(ISSR)评估洋麻(Hibiscus cannabinus)的遗传多样性

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摘要

Understanding genetic diversity is very useful for scientific utilization for breeding. In this study, we estimated the genetic distances in a panel of 84 kenaf accessions collected from 26 countries and regions using ISSR markers. The results of UPGMA analysis showed that kenaf germplasm had abundant genetic variation, with genetic dissimilarity coefficients ranging from 0.01 to 0.62. The in-group dissimilarity coefficient (0.29) was observed in 84 kenaf accessions, and all the accessions could be divided into three groups: cultivars (L1-1), relatively wild species (L1-2 and L 1-3), and wild species (the others). Further in-group analysis in group L1-1 (0.19) revealed that the kenaf cultivars could be divided into five subgroups with distinct regional characteristics. It is imperative that genes be exchanged among all kinds of tested varieties from different origins. The results provide a useful basis for kenaf germplasm research and breeding.
机译:了解遗传多样性对于科学利用育种非常有用。在这项研究中,我们估计了使用ISSR标记从26个国家和地区收集的84个洋麻品种的遗传距离。 UPGMA分析结果表明,洋麻种质具有丰富的遗传变异,遗传相似系数在0.01到0.62之间。在84个红麻种质中观察到组内不相似系数(0.29),并且所有种质可分为三类:栽培品种(L1-1),相对野生的物种(L1-2和L 1-3)以及野生的种(其他)。 L1-1(0.19)组的进一步分组分析表明,洋麻品种可分为具有不同区域特征的五个亚组。当务之急是在不同来源的所有测试品种之间交换基因。研究结果为红麻种质资源的研究和育种提供了有益的依据。

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