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首页> 外文期刊>Indian journal of agricultural research >Combining ability and heterosis for seed cotton yield, its component quality traits in Gossypium hirsutum L.
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Combining ability and heterosis for seed cotton yield, its component quality traits in Gossypium hirsutum L.

机译：陆地棉棉籽棉产量的配合力和杂种优势及其组成品质性状

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摘要

The present study is aimed to estimate general combining ability of the parents and specific combining ability and heterosis of hybrids for seed cotton yield and fibre quality traits. Three female lines crossed with six testers in line x tester fashion. Analysis of variance for combining ability indicated the predominance of non-additive gene action for all the characters under study except plant height, 2.5% span length and oil content. The parents AK032 and AK053 among the lines and DR-7R among thetesters were found to possess significant GC A effects for most of the yield contributing characters. Maximum heterosis for seed cotton yield per plant was recorded by AK023 x DR-7R over the standard check. The highest significant heterosis in desirabledirection for fibre strength was recorded by AK023 x DR-7R followed by AK023 x AKH-976 over the check.
机译：本研究旨在估计亲本的一般配合力以及杂种对籽棉产量和纤维品质性状的特异性配合力和杂种优势。 3条女性线与6位测试人员以x测试人员的方式交叉。结合能力的方差分析表明，除植物高度，2.5％跨度长度和含油量外，所有其他性状均以非加性基因作用为主。品系中的亲本AK032和AK053以及测试仪中的DR-7R对大多数增产特性具有显着的GC A效应。在标准检查中，AK023 x DR-7R记录了每株种子棉籽产量的最大杂种优势。在检查过程中，AK023 x DR-7R随后是AK023 x AKH-976记录了纤维强度理想方向上的最高显着杂种优势。

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