首页> 外文期刊>Journal of plant sciences >Multivariate Analysis of Genetic Diversity among some Rice Genotypes Using Morpho-agronomic Traits
【24h】

Multivariate Analysis of Genetic Diversity among some Rice Genotypes Using Morpho-agronomic Traits

机译:用语气农艺性状的一些水稻基因型遗传多样性多元分析

获取原文
           

摘要

The availability of access to diverse genetic material is important to be successful in any plant breeding effort. An investigation was undertaken to assess genetic diversity of 24 known rice genotypes based on17 morpho- agronomic traits by using multivariate analyses: hierarchical cluster and Principal Component (PC) analyses. Cluster analysis separated the genotypes into two groups which are in contrast for flowering, plant types, biomass, grain yield , seed width, seed length and seed weight. The first three PCs explained 73.5% of the total variability. Days to flowering, plant height, culm length, panicle length, biomass, seed length and shape were the important traitsin differentiating the genotypes. The hierarchical cluster and PC analyses were in agreement in grouping the genotypes. Parental combinations from the two clusters with higher value of Euclidean distance could be used for genetic improvement. Generally KOH1 is the most diverged genotype from others. Thus crossing of this genotype with Azucena, CH1, KDML105 and SPR1 may result in heterotic expression in the F1 and substantial variability in the subsequent segregating population.
机译:获得不同遗传物质的可用性在任何植物育种努力中都很重要。通过使用多变量分析:分层集群和主要成分(PC)分析,对研究基于Morpho-Gromicic特性的24种已知水稻基因型的遗传多样性进行评估。聚类分析将基因型分为两组,其与开花,植物类型,生物质,籽粒产量,种子宽度,种子长度和种子重量相反。前三名PC占总变异的73.5%。天花,植物高,秆长度,穗长,生物量,种子长度和形状是分化基因型的重要性状。分层集群和PC分析在分组基因型中是一致的。来自欧几里德距离值较高的两个簇的父母组合可用于遗传改进。通常KOH1是其他伴随他人的基因型。因此,用四瓜,CH1,KDML105和SPR1交叉该基因型,可以导致在随后的分离群体中的F <亚k / sub>中的异质表达和显着的变异性。

著录项

获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号