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GENETIC ANALYSIS OF THE GRAIN PROTEIN CONTENT IN SOFT RED WINTER WHEAT (Triticum aestivum L.)

文献类型： 外文期刊

作者： Yao, Jinbao 1 ; Ma, Hongxiang 1 ; Yang, Xueming 1 ; Zhou, Miaoping 1 ; Yang, Dan 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Prov Key Lab Agrobiol, Nanjing, Jiangsu, Peoples R China

关键词： Combining ability;Diallel cross;Grain protein content;Triticum aestivum L.

期刊名称：TURKISH JOURNAL OF FIELD CROPS （ 影响因子：0.814； 五年影响因子：1.247 ）

ISSN： 1301-1111

年卷期： 2014 年 19 卷 2 期

页码：

收录情况： SCI

摘要： Improvement of grain protein content is the main objective in soft red wheat breeding programs. The main objective of this study was to investigate the mode of inheritance and combining ability of grain protein content in wheat. Seven genetically diverse soft red wheat cultivars were crossed in an incomplete 7x7 diallel fashion. F1 and F2 progenies along with their parents were evaluated in two separate experiments to do F1 and F2 diallel analysis. The results indicated significant differences among the parents for general combining ability and crosses for specific combining ability. Among the parents Ningmai 9 was the best combiner and could be utilized for developing soft wheat cultivars with low protein content. The specific crosses for grain protein content were Ningmai 8xNingmai 9 and Ningmai 8xYangmai 5. The additive-dominance model was adequate for grain protein content in F1, while showed partially adequate in F2. Greater value of additive (D) over dominance (H1 and H2) demonstrated additive nature of genes for grain protein content in both generations. Grain protein content exhibited high value of narrow sense heritability. The genetic analysis suggested that grain protein content could be improved through pedigree and progeny selection.

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[3]INHERITANCE OF GRAIN YIELD AND ITS CORRELATION WITH YIELD COMPONENTS IN BREAD WHEAT (Triticum aestivum L.). Yao, Jinbao,Yang, Xueming,Zhou, Miaoping,Yang, Dan,Ma, Hongxiang. 2014

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