Puccinia striiformis f.sp. tritici in Australasia: pathogenic changes during the first 10 years

作者: C. R. WELLINGS , R. A. McINTOSH

DOI: 10.1111/J.1365-3059.1990.TB02509.X

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摘要: Pathogenic attributes of the wheat stripe rust pathogen were monitored in annual surveys from first recording this disease Australia 1979. During 10-year period to 1988,15 different pathotypes detected and New Zealand. The included some economic importance commercial cultivars others with no obvious selective advantage aid their survival. Single-gene mutations most likely causes variation. implications these results on pathogenicity breeding for resistance are discussed.

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