Genetic Analysis of Chinese Differential Cultivar Early Premium for Yellow Rust Resistance Genes
文献类型: 外文期刊
第一作者: Feng, Jing
作者: Feng, Jing;Gan, Ai-Hua;Lin, Rui-Ming;Xu, Shichang
作者机构:
关键词: Wheat yellow (stripe) rust;Differential cultivars;Resistance genes;Genetic analysis
期刊名称:INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGY ( 影响因子:0.822; 五年影响因子:0.906 )
ISSN: 1560-8530
年卷期: 2011 年 13 卷 5 期
页码:
收录情况: SCI
摘要: To investigate the resistance genes and character of the wheat differential sets not only can monitor the dynamic development of races but also is the base of the study the physiological special. Moreover, it can improve the diagnosis of Chinese races and the resistance analysis to genic level. Early Premium, one of the Chinese wheat differential cultivars, contains unknown resistance genes to yellow rust. Genetic analysis, allelic analysis, and monosomic analysis are used in this study to determine the inheritance and chromosomal location of the major genes in Early Premium with races 2E16 and CYR18. The results are followed: Early Premium, at least, contains three major genes, which are different from known major all-stage resistance genes, and inherites by nucleus. The resistance to CYR18 is determined by three recessive complementary genes, and to 2E16 is also controlled by three recessive complementary genes. Chi-square analysis of the F(2) segregation data between a set of monosomic susceptible cultivars Triticum spelta and Early Premium revealed that the genes effective against race 2E16 are located on chromosomes 3B, 4D and 5D, and temporarily designated as YrEP1, YrEP2 and YrEP3, respectively. (C) 2011 Friends Science Publishers
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