CAO Yong-qiang,WANG Ya-zhen,DONG Li-jie,et al.Inheritance of Main Quality Characters of F2 Population Derived by Soybean Interspecies Crossing[J].Soybean Science,2016,35(06):1032-1036.[doi:10.11861/j.issn.1000-9841.2016.06.1032]
大豆种间杂交F2代主要品质性状遗传研究初报
- Title:
- Inheritance of Main Quality Characters of F2 Population Derived by Soybean Interspecies Crossing
- Keywords:
- Soybean; Inheritance; Quality characters; Interspecies cross
- 文献标志码:
- A
- 摘要:
- 以栽培大豆铁豆67为母本,半野生大豆YZ1621为父本,进行有性杂交,构建大豆种间杂交F2代遗传群体,对群体蛋白质含量、脂肪含量及蛋脂总量等遗传参数进行了分析。结果表明:大豆种间杂交F2代蛋白质含量、脂肪含量及蛋脂总量的遗传分离为连续离散分布,符合正态分布,其中,脂肪含量和蛋脂总量表现出倾向高值亲本的正态分布;三性状超中亲遗传普遍存在,蛋脂总量超高亲遗传显著,超高亲比例达到66.7%;三性状的遗传方差、标准差均较小,变异系数分别为4.04%、5.13%、2.67%,表明群体内个体间的变异度不高;三性状广义遗传力均达到了55.0%以上。
- Abstract:
- The genetic parameters of protein content, oil content and total protein-oil content were analyzed on F2 population derived from the cross of Tiedou 67 and a semi-wild soybean YZ1621 in this study. The results were as follows:The genetic segregation of protein content, oil content and total protein-oil content of F2 population was in accord with normal frequency distribution,and which oil content and total protein-oil content also leaned to higher parent. It existed generally over mid-parent inheritance in-3 characters,and the transgressive inheritance was significant in total protein-oil content with 66.7% plants over the higher parent in F2 population. Variable coefficients of protein content, oil content and total protein-oil content were 4.04%,5.13% and 2.67% respectively, which indicated that variable degree of main quality characters were all very low. The broad hereditability of 3 characters were all higher than 55.0%.
参考文献/References:
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备注/Memo
基金项目:国家重点研究计划项目(2016YFD0100201);中央引导地方科技专项;辽宁省科技攻关。