References
- Green , G. J. 1981 . Identification of physiologic races of Puccinia graminis f. sp. tritici in Canada . Can. J. Plant Pathol. , 3 : 33 – 39 .
- Martens , J. W. 1984 . Incidence and virulence of Puccinia graminis on wheat and barley in Canada in 1983 . Can. J. Plant Pathol , 6 : 243 – 248 .
- Martens , J. W. 1985 . Incidence and virulence of Puccinia graminis on wheat and barley in Canada in 1984 . Can. J. Plant Pathol. , 7 : 431 – 434 .
- Martens , J. W. 1986 . Incidence and virulence of Puccinia graminis on wheat and barley in Canada in 1985 . Can. J. Plant Pathol. , 8 : 439 – 442 .
- Roelfs , A. P. , Casper , D. H. , Long , D. L. and Roberts , J. J. 1987 . Races of Puccinia graminis in the United States and Mexico during 1986 . Plant Dis. , 71 : 903 – 907 .
- Roelfs , A. P. and Long , D. L. 1987 . Puccinia graminis development in North America during 1986 . Plant Dis , 71 : 1089 – 1093 .