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The spread of stem rust caused by Puccinia graminis f. sp. tritici, with Virulence on Sr31 in wheat in Eastern Africa
Registro en:
0191-2917
1943-7692
10.1094/PD-90-0113A
Autor
Wanyera, R.
Kinyua, M.G.
Jin, Y.
Singh, R.P.
Resumen
Stem rust resistance in wheat cultivars with Sr31 has been effective and durable worldwide for more than 30 years. Isolates of Puccinia graminis f. sp. tritici with virulence to Sr31 were detected in Uganda in 1999 (1). During 2003 and 2004, a majority of 113