豌豆产量性状的关联分析种质资源

I. Bashir, Sumera Ishti Ishtiaq, S. Fiaz, M. Sajjad
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引用次数: 13

摘要

本研究于2014 - 2015年间对12个优质豌豆基因型进行了研究。根据所获得的结果,得出以下结论,可用于进一步的育种计划。方差分析表明,除单株种子产量外,各基因型间均存在显著差异。由于环境对性状表达的影响,表型变异系数(PCV)略高于相应的遗传变异系数(GCV)。除单株荚果重和单株种子产量外,其他性状均有较高的遗传力。这些性状具有较高的遗传力,表明选择可以更有效地进行遗传改良。通径分析表明,百粒重、叶绿素含量、荚果长和每荚果数对单株籽粒产量的直接影响最大。关键词:莴苣;基因型;相关性;产量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
ASSOCIATION OF YIELD ATTRIBUTING TRAITS IN PEA (Pisum sativum L.) GERMPLASM
The study was carried out during 2014–15 on twelve elite pea genotypes. On the basis of obtained results, the following conclusion was drawn and can be used for further breeding program. The analysis of variance revealed the existence of significant differences among the genotypes for all the traits except seed yield per plant. The phenotypic coefficients of variation (PCV) were slightly higher than their corresponding genetic coefficients variation (GCV) due to the influence of environment on character expression. High heritability estimates for all characters except pod weight per plant and seed yield per plant. High heritability for these traits indicated that selection could be more effective for genetic improvement. The path coefficient analysis showed that 100–seed weight, chlorophyll content, pod length and number of seed per pod had maximum direct effect on grain yield per plant. Keyword: Pisum sativum; genotypes; correlation; yield.
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