An Island of Receptor-Like Genes at the Rrs13 Locus on Barley Chromosome 6HS Co-locate with Three Novel Sources of Scald Resistance
Peter E. Eckstein,
Lindsay J. Griffith,
Xiang M. Zhang
et al.
Abstract:Three Hordeum spontaneum-derived resistances (referred to as 145L2, 41T1 and 40Y5) have demonstrated long-term effectiveness against barley scald, caused by Rhynchosporium commune, in western Canada. Genetic mapping of these resistances in three populations, and the use of five barley genome assemblies, revealed they co-located to a narrowly defined 0.58-1.2 Mbp region of chromosome 6HS containing the Rrs13 scald resistance gene. Differential disease reactions among the three resistances and a Rrs13 carrier … Show more
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