Cereal Research Communications

, Volume 36, Issue 3, pp 451–460 | Cite as

Production of a New Wheat Cultivar with a Different 1B.1R Translocation with Resistance to Powdery Mildew and Stripe Rust

  • Z. X. Tang
  • S. L. Fu
  • Z. L. RenEmail author
  • H. Q. Zhang
  • Z. L. Yang
  • B. J. Yan
  • H. Y. Zhang
Open Access


Wheat-rye 1BL.1RS translocations have been widely used in wheat breeding programs. A 1BL.1RS translocation wheat line, 91S-23, was developed from a 1R monosomic addition of the rye (Secale cereale) inbred line L155 into wheat (Triticum aestivum) MY11. A new commercial wheat cultivar, CN18, which also contained the 1BL.1RS translocation, was derived from the cross MY11 × 91S-23. Polymerase chain reaction (PCR) and fluorescence in situ hybridization (FISH) indicated that the rye centromere was eliminated from the 1BL.1RS chromosomes of CN18 but not from 91S-23. Based on the 1RS source and the centromeric structure of the translocation chromosome, CN18 qualifies as a new wheat cultivar possessing a 1BL.1RS translocation. CN18 displayed high yield performance and resistance to powdery mildew and stripe rust, whereas 91S-23 was susceptible to these diseases. The present study provides a new 1RS resource for wheat improvement.


1BL.1RS translocation centromere new wheat cultivar variation of 1RS 


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© Akadémiai Kiadó, Budapest 2008

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • Z. X. Tang
    • 1
  • S. L. Fu
    • 1
  • Z. L. Ren
    • 1
    • 2
    Email author
  • H. Q. Zhang
    • 1
  • Z. L. Yang
    • 2
  • B. J. Yan
    • 1
  • H. Y. Zhang
    • 1
  1. 1.State Key Laboratory of Plant Genetics and BreedingSichuan Agricultural UniversityYa’an cityChina
  2. 2.School of Life Science and TechnologyUniversity of Electronic Science and Technology of ChinaChengduChina

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