Genetic analysis of the resistance of barley to cryptic species of Pyricularia

Analiza Grubanzo Tagle, Izumi Chuma, Hiroshi Hisano, Kazuhiro Sato, Yukio Tosa

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


The resistance of barley to Pyricularia oryzae isolates is controlled by the Rmo2 locus irrespective of their original hosts. The resistance of barley cultivar H.E.S.4 to isolate tO-7 of P. pennisetigena (a cryptic species in the P. oryzae/grisea species complex) cosegregated with the resistance to P. oryzae isolate GFSI-1-7-2 controlled by Rmo2.a. On the other hand, its resistance to isolate NI919, belonging to another cryptic species of Pyricularia, was controlled by another gene inherited independently from Rmo2.a. These results suggest that gene-for-gene interactions underlie the resistance of barley to cryptic species of Pyricularia.

Original languageEnglish
Pages (from-to)302-306
Number of pages5
JournalJournal of General Plant Pathology
Issue number6
Publication statusPublished - Nov 1 2016


  • Blast
  • Hordeum vulgare
  • Magnaporthe oryzae
  • Pyricularia oryzae
  • Pyricularia pennisetigena
  • Resistance gene

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science


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