Predominant Pathotype(s): TTKSF – considered a progenitor of Ug99, avirulent on Sr31. Combined virulence to Sr31 + Sr24 is present in South Africa (race PTKST).

Effective Sr Genes:Sr13, 22, 25, 26, 29, 32, 33, 35, 36, 37, 39, 42, 43, Em, Tmp
Ineffective Sr Genes:Sr5, 6, 7b, 8a, 8b, 9a, 9b, 9d, 9e, 9g, 10, 11, 12, 14, 16, 17, 19, 20, 21, 23, 24, 27, 30, 31, 34, 38, 44, Kw, Satu