Research Article

Genetic Analysis of Disease Resistance Genes in A New Wheat Variety Emai170  

Yike Liu1 , Zhanwang Zhu1 , Hanwen Tong1 , Chenguan Feng1 , Fuhao Ning1 , Ling Chen1 , Juan Zou1 , Yuqing Zhang1 , Lijun Yang2 , Chunbao Gao1, 3
1 Food Crops Institute, Hubei Academy of Agricultural Sciences, Wheat Disease Biology Research Station on Central China, Ministry of Agriculture, Hubei Engineering and Technology Research Center of Wheat, Wuhan, 430064, China
2 Institute for Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan, 430064; 3 Hubei Collaborative Innovation Center for Grain Industry, Jingzhou, 434025, China
3 Hubei Collaborative Innovation Center for Grain Industry, Yangze University, Jingzhou, 434025, China
Author    Correspondence author
Molecular Plant Breeding, 2018, Vol. 9, No. 2   doi: 10.5376/mpb.2018.09.0002
Received: 15 Mar., 2018    Accepted: 09 Apr., 2018    Published: 20 Apr., 2018
© 2018 BioPublisher Publishing Platform
This article was first published in Molecular Plant Breeding (2017, 15: 3531-3539) in Chinese, and here was authorized to translate and publish the paper in English under the terms of Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Preferred citation for this article:

Liu Y.K., Zhu Z.W., Tong H.W., Feng C.G., Ning F.H., Chen L., Zou J., Zhang Y.Q., Yang L.J., and Gao C.B., 2018, Genetic analysis of disease resistance genes in a new wheat variety Emai170, Molecular Plant Breeding, 9(2): 8-17 (doi: 10.5376/mpb.2018.09.0002)


Disease resistance genes of Fusarium head blight, stripe rust, powdery mildew and sharp eyespot of the new potential varieties Emai170 in Hubei province and its parents were identified and analyzed by the developed molecular markers. The results showed thatEmai170 had 3 major resistance genes to Fusarium head blight (Fhb1, Fhb5 and the gene marked by Xwmc273), 3 stripe rust resistance genes (Yr2, Yr5 and Yr26), 8 powdery mildew resistance genes (Pm2, Pm8, Pm16, Pm21, Pm31, Pm33, Pm35 and Pm36), and 6 sharp eyespot resistance genes (the genes marked by Xwmc397, Xgwm212, Xgdm67, Xwmc497, Xgwm644 and Xgwm526). After analysis, we speculated that some Fusarium head blight resistance genes in Emai170 were not detected, and the better resistance of Emai170 than its parents might be related to heterobeltiosis; Yr5 gene might play an important role in resistance to stripe rust in Emai170; The powdery mildew resistance gene Pm21 has been shown to be susceptible; The sharp eyespot resistance loci detected in this study could explain the low rate phenotypic variation. This study could partially explain the molecular basis of diseases resistance of Emai170, and provide some references for the variety popularization and application and as a backbone parent to cultivate new wheat resistance varieties.

Wheat; Emai170; Fusarium head blight; Stripe rust; Powdery mildew; Sharp eyespot; Resistance gene
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