Identification and association mapping of sources of stem rust resistance in the wild barley diversity panel effective against virulent isolates from the Pacific Northwest.

Abstract excerpt

Identifying and genetically characterizing new sources of resistance in barley (Hordeum vulgare) effective against the virulent wheat stem rust (Puccinia graminis f. sp. tritici [Pgt]) population in the Pacific Northwest (PNW) is critical. Isolates from this population, including Pgt isolate Lsp21, were virulent on barley stem rust resistance (R) genes Rpg1, Rpg2, Rpg3, rpg4, Rpg5, and rpg8. Notably, 10% of the...

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