Association mapping with a diverse population of Puccinia graminis f. sp. tritici identified avirulence loci interacting with the barley Rpg1 stem rust resistance gene.

Background: Wheat stem rust, caused by Puccinia graminis f. sp. tritici (Pgt), is an important disease of barley and wheat.

Identification of Candidate Avirulence and Virulence Genes Corresponding to Stem Rust ( f. sp. ) Resistance Genes in Wheat.

Stem rust, caused by the biotrophic fungal pathogen f. sp. (), is an important disease of wheat.