Theoretical and Applied Genetics

, Volume 126, Issue 5, pp 1397–1403 | Cite as

Identification of the gene Pm47 on chromosome 7BS conferring resistance to powdery mildew in the Chinese wheat landrace Hongyanglazi

  • Minggang Xiao
  • Fengjing Song
  • Jianfeng Jiao
  • Xiaoming Wang
  • Hongxing Xu
  • Hongjie Li
Original Paper


Powdery mildew, caused by Blumeria graminis f. sp. tritici (Bgt), is an important disease that causes substantial yield losses in wheat (Triticum aestivum) in China and other parts of the world. This foliar disease can be effectively managed by host resistance. The Chinese landrace Hongyanglazi from Shaanxi province is highly resistant to many Bgt isolates at the seedling stage. Genetic analysis using an F2:3 population derived from a cross between Hongyanglazi and susceptible cultivar Zhongzuo 9504 indicated that Hongyanglazi carried a single recessive gene (tentatively designated PmHYLZ) conferring its resistance to Bgt isolate E09. PmHYLZ was flanked by EST marker BE606897 and microsatellite marker Xgwm46 on chromosome 7BS at genetic distances of 1.7 and 3.6 cM, respectively. This gene differed from Pm40, also located on 7BS, by origin, linked markers, and reactions to 13 Bgt isolates. Based on these findings, PmHYLZ was permanently designated as Pm47.


Powdery Mildew Simple Sequence Repeat Marker Leaf Segment Chinese Spring Powdery Mildew Resistance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors are grateful to Drs. RA McIntosh, Sydney University, and ZY Liu, China Agricultural University, for critical review of this manuscript. This study was financially supported by the National Program on Key Basic Research Project (973 Program, 2009CB118300), Modern Agro-industry Technology Research System (CARS-3-1), and the Evaluation of Resistance to Diseases and Pests, Stresses, and Quality traits in Major Crops by the Ministry of Agriculture (NB2012-2130135-25-15).


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Minggang Xiao
    • 1
  • Fengjing Song
    • 1
  • Jianfeng Jiao
    • 2
  • Xiaoming Wang
    • 1
  • Hongxing Xu
    • 3
  • Hongjie Li
    • 1
  1. 1.The National Key Facility for Crop Gene Resources and Genetic Improvement (NFCRI), Institute of Crop Science, Chinese Academy of Agricultural SciencesBeijingChina
  2. 2.Forestry College of Henan University of Science and TechnologyLuoyangChina
  3. 3.Center for Agricultural Resources ResearchInstitute of Genetics and Developmental Biology, Chinese Academy of SciencesShijiazhuangChina

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