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Mutations in wheat leading to enhanced resistance to the fungal pathogen of yellow rust

Author

Listed:
  • L.A. Boyd

    (John Innes Centre, Department of Disease and Stress Biology, Norwich, NR4 7UH)

  • J.A. Howie

    (John Innes Centre, Department of Disease and Stress Biology, Norwich, NR4 7UH)

  • T. Worland

    (John Innes Centre, Department of Disease and Stress Biology, Norwich, NR4 7UH)

  • R. Stratford

    (John Innes Centre, Department of Disease and Stress Biology, Norwich, NR4 7UH)

  • P.H. Smith

    (John Innes Centre, Department of Disease and Stress Biology, Norwich, NR4 7UH)

Abstract

The isolation and study of plant resistance genes is revealing a story more complicated than the gene-for-gene hypothesis originally implied. The story of resistance is complicated even further by the discovery of genes that appear to have a negative effect on resistance. Early studies in the wheat line Hobbit 'sib' identified a number of chromosomes that reduced the level of field resistance to the fungal pathogen Puccinia striiformis f.sp. tritici, the causal agent of yellow rust on wheat. From a series of deletion mutants generated in Hobbit 'sib' a number of mutant lines were selected that gave enhanced resistance to yellow rust. The phenotypic, genetic and molecular characterisation of some of these mutants is presented.

Suggested Citation

  • L.A. Boyd & J.A. Howie & T. Worland & R. Stratford & P.H. Smith, 2002. "Mutations in wheat leading to enhanced resistance to the fungal pathogen of yellow rust," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 38(SI1-6thCo), pages 73-75.
    • Handle: RePEc:caa:jnlpps:v:38:y:2002:i:si1-6thconfefpp:id:10324-pps
    DOI: 10.17221/10324-PPS
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    Keywords

    mutants; wheat; yellow rust;
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