Stem rust of wheat

Photo by University of Georgia Plant Pathology Archive, Bugwood.org

Pathotype identified in Uganda in 1999 that has overcome several stem rust resistance genes
Many Australian wheat varieties will be susceptible
Elliptical blisters produced on stems, which break open to reveal a mass of rust coloured spores
Stem rust on known resistant varieties should be reported

High priority pest of: Grains

Scientific name: Puccinia graminis f. sp. tritici (pathotype Ug99)
EPPRD Category:
Life Form: Fungus