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大豆高维生素E含量专用品种的选育是现代大豆品质育种的重要方向,为给大豆高维生素E含量专用品种选育提供遗传学依据,通过对大豆重组自交系群体2008-2009年的维生素E含量进行相关的遗传分析,以Essex×ZDD2315衍生的208个重组自交家系群体BIEX为材料,用主基因+多基因混合遗传模型,分析大豆α-、γ-、δ-生育酚含量以及VE总含量的遗传机制。结果表明,α-生育酚含量、γ-生育酚含量以及VE总含量均属于2对主基因+多基因遗传模型,主基因遗传率分别为59.62%,75.99%,77.05%,多基因遗传率分别为35.90%,13.96%,15.05%;δ-生育酚含量属于1对主基因+多基因遗传模型,主基因遗传率为50.39%,多基因遗传率为38.11%。维生素E及其组分含量遗传涉及主基因和多基因,主基因遗传率在50%以上,多基因遗传率在10%以上,建议育种中要兼顾主基因和微效多基因的利用。
Soybean high vitamin E content-specific breeding is an important aspect of modern soybean quality breeding. In order to provide a genetic basis for selection of high-vitamin E-specific soybean varieties, the soybean recombinant inbred line population 2008-2009 vitamin E Content of the genetic crosses, the 208 recombinant inbred lines derived from Essex × ZDD2315 BIEX as the material, the main gene + polygene mixed genetic model soybean alpha, gamma, delta tocopherol content and VE total The genetic mechanism of content. The results showed that α-tocopherol content, γ-tocopherol content and total VE content belong to two major gene + polygene inheritance models. The heritabilities of major genes were 59.62%, 75.99% and 77.05% Which was 35.90%, 13.96% and 15.05%, respectively. The δ-tocopherol content belonged to 1 major gene + polygene inheritance model. The heritability of the major gene was 50.39% and the polygene heritability was 38.11%. The genetic elements of vitamin E and its components are genetically related to major genes and polygenes. The heritability of major genes is above 50% and the heritability of polygenes is over 10%. It is suggested that the utilization of major genes and minor genes should be considered in breeding.