Puccinia graminis f. sp. tritici (Ug99)

Ug99 Wheat stem rust

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

Pest Documents

FS: fact sheet

CP: contingency plan

DP: diagnostic protocol