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Mapping of resistance genes to brown rust in 1R chromosome of rye (Secale cereale L.)

Author

Listed:
  • O.A. Baranova

    (All-Russian Institute of Plant Protection, St.-Petersburg-Pushkin 196608, Russia)

  • A.P. Dmitriev

    (All-Russian Institute of Plant Protection, St.-Petersburg-Pushkin 196608, Russia)

  • A.V. Voylocov

    (All-Russian Institute of Plant Protection, St.-Petersburg-Pushkin 196608, Russia)

  • O.V. Solodukhina

    (All-Russian Institute of Plant Protection, St.-Petersburg-Pushkin 196608, Russia)

Abstract

Five resistance genes to single-pustule isolates Nos. 12, 81,108 and 7 of brown rust were mapped on 1R chromosome of rye using two different F2 populations. Under segregation analysis it was found linkage between genes controlling resistance to single-pustule isolates No. 12, 81, 108 and 25 and isozyme locus Prx7, which to be localized on chromosome 1R. The recombination frequencies are 0.32, 0.28, 0.29 and 0.32 correspondingly. Also we were found linkage between Prx7 and gene, controlling resistance to single-pustule isolate No. 7. Recombination frequency in this case was equal 0.10 and 0.29 in dependence on analyzing hybrids.

Suggested Citation

  • O.A. Baranova & A.P. Dmitriev & A.V. Voylocov & O.V. Solodukhina, 2002. "Mapping of resistance genes to brown rust in 1R chromosome of rye (Secale cereale L.)," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 38(SI2-6thCo), pages 588-589.
    • Handle: RePEc:caa:jnlpps:v:38:y:2002:i:si2-6thconfefpp:id:10562-pps
    DOI: 10.17221/10562-PPS
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