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首页> 外文期刊>Agrivita: journal of agricultural science >Heterosis, Combining Ability and Their Inter-Relationship for Morphological and Quality Traits in Yellow Maize (Zea mays L.) Single-Crosses Across Environments
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Heterosis, Combining Ability and Their Inter-Relationship for Morphological and Quality Traits in Yellow Maize (Zea mays L.) Single-Crosses Across Environments

机译：杂玉米（Zea Mays L.）单十字的形态学和质量性状的杂种优势，组合能力及其相互关系性

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The research aimed to study heterosis, combining ability and performance along with their inter-relationship across three environments. Variance due to general (GCA) and specific combining abilities (SCA) and their interaction with environment was found to be significant for most of studied traits. For all the studied traits but ASI (Anthesis-silking interval), HI (Harvest index) and starch content, additive gene action was highly important than non-additive gene action for their expression as reflected by Baker's ratio which was near to unity. CML439, R13-1-1 and Tarun83-1-3-2 were the best general combiner for starch, protein and oil, respectively. R13-1-17, CML439 and Tarun83-1-3-2 were good general combiner for maturity characters and harvest index while TSK 196 and TSK 197 were good general combiner for cob length, cob girth, number of grains/row and grain yield. DMR9047×R13-1-17 and POP31Q×Tarun83-1-3-2 showed desirable heterosis and SCA effect for maturity characters. Regarding to SCA and heterosis, the prominent hybrids for grain yield were TSK197×R13-1-10, TSK194×POP31Q, DMR9047×POP31Q and R13-1-1×DMR9047. SCA established stronger relationship with per se performance of grain yield and quality traits than mid-parent (MPH) and best-parent heterosis (BPH), reflecting that an improvement in selection of SCA will results in an indirect improvement of MPH and BPH of hybrids.
机译：该研究旨在研究杂种优势，结合能力和性能以及它们在三种环境中的关系中的关系。由于大多数研究的特征，发现常规（GCA）和特定组合能力（SCA）和与环境的相互作用引起的差异是显着的。对于所有研究的性状而异，HI（收获指数）和淀粉含量，添加剂基因作用比非添加基因作用非常重要，其表达，如靠近统一的贝克的比例反映。 CML439，R13-1-1和Tarun83-1-3-2分别是淀粉，蛋白质和油的最佳组合器。 R13-1-17，CML439和TaruN83-1-3-2是成熟特征和收获指数的良好组合器，而TSK 196和TSK 197是玉米棒长，玉米棒状，谷物/行数和谷物产量的良好通用组合器。 DMR9047×R13-1-17和POP31Q×Tarun83-1-3-2显示了期望的杂种优势和成熟特征的SCA效应。关于SCA和杂种优势，谷物产量的突出杂种是TSK197×R13-1-10，TSK194×POP31Q，DMR9047×POP31Q和R13-1-1×DMR9047。 SCA与谷物产量和质量性质的性能建立得更强的关系，而不是中子母（MPH）和最佳亲本杂种优势（BPH），反映了SCA选择的改善将导致杂种的MPH和BPH的间接改善。

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