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Comparison of three methods for developing heterotic groups in wheat (Triticum aestivum)

文献类型: 外文期刊

作者: Liu, ZQ 1 ; Pei, Y 1 ; Pu, Z 1 ;

作者机构: 1.Sichuan Acad Agr Sci, Crop Res Inst, Chengdu 610066, Peoples R China

关键词: heterotic groups;general combing ability;RAPD marker;Triticum aestivum

期刊名称:WHEAT IN A GLOBAL ENVIRONMENT

ISSN:

年卷期: 2001 年 9 卷

页码:

收录情况: SCI

摘要: Wheat lines could be clustered into different groups based on their agronomic traits, or general combining ability (GCA) of agronomic traits, or molecular markers. Hybrids from parents in different groups were generally superior to most hybrids from parents in the same group. But there were apparent differences in heterosis for different heterotic groups based on different methods. This study showed that the average heterosis of heterotic groups based on RAPD markers is much higher than that of heterotic groups based on yield components and GCA of these traits. GCA had little value in clustering parents for predicting heterosis. Molecular markers would be the first choice for developing heterotic groups in wheat.

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