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首页> 外文期刊>Cotton Reseach Journal >Combining Ability and Heterosis for Seed Cotton Yield and its Component Traits in CGMS Based Hybrids of Cotton [Gossyptum hirsutum, L.)
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Combining Ability and Heterosis for Seed Cotton Yield and its Component Traits in CGMS Based Hybrids of Cotton [Gossyptum hirsutum, L.)

机译：基于CGMS的棉花杂交种配合力和杂种优势的籽棉产量及其构成性状。

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摘要

Line x tester analysis for combining ability and heterosis study was attempted in 36 cotton hybrids (Gossypium hirsutum, L) developed by using nine CGMS based lines and four restorers. They were evaluated for fertility restoration, seed cotton yield and yield components. Out of 36 hybrids, 11 werefound to exhibit high degree offertility. Among these eight hybrids were heterotic over the standard check hybrid (PKVHy-4). They had also positive and significant SCA effectfor seed cotton yield. The lines,RHC-CMS 1, RHC-CMS 2, RHC-CMS 9, RHC-CMS 10, and testers RHCr-054 and RHCr-058 werefound to be good or average combiners with high perse performance for seed cotton yield and its components. Additive gene action was predominantfor the characters, days toflowering and number of sympodia, whereas for number of monopodia, number of bolls/plant, boll weight, ginning (%) and seed cotton yield, non additive gene action was predominant.
机译：通过使用9个基于CGMS的品系和4个恢复系，在36个棉花杂交种（陆地棉，L）中尝试了将x的测试仪分析用于结合能力和杂种优势研究。对它们进行了育性恢复，籽棉产量和产量成分的评估。在36个杂种中，发现11个表现出高的可提供性。在这八种杂种中，与标准对照杂种（PKVHy-4）杂种。它们对种棉产量也具有积极和显着的SCA效应。发现RHC-CMS 1，RHC-CMS 2，RHC-CMS 9，RHC-CMS 10和RHCr-054和RHCr-058测试仪是优良的或普通的组合机，对种子棉产量及其成分具有较高的性能。性状，开花天数和足癣数主要是加性基因作用，而单足纲数，棉铃/植物数，棉铃重，轧花率（％）和籽棉产量以非加性基因作用为主。

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