Abstract
To study genetically and evaluate resistance to yellow rust, 29 wheat advanced lines were evaluated in randomised complete blocks design with three replicates in seedling stage under greenhouse conditions using nine races 6E150A+, 198E150A+, 134E150A+, 6E158A+, 166E150A+, 198E130A+, 166E158A+, 230E158A+ and 70E0A+, separately. In the adult plant stage, the genotypes were evaluated in two regions of Iran, Zarghan and Gorgan. The components of resistance including latent period and infection type were recorded under greenhouse conditions. Cluster analysis in all races showed that the genotypes 11, 28 and 29 were completely resistant to all races. Under Zarghan and Gorgan races, 27 and 73% of genotypes were resistant in the adult plant stage, respectively. Seven percent of genotypes were resistant in both stages, seedling and adult plant. All resistant lines can be used in plant breeding programme.
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