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Puccinia striiformis f.sp. tritici in Australasia: pathogenic changes during the first 10 years
Author(s) -
WELLINGS C. R.,
McINTOSH R. A.
Publication year - 1990
Publication title -
plant pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.928
H-Index - 85
eISSN - 1365-3059
pISSN - 0032-0862
DOI - 10.1111/j.1365-3059.1990.tb02509.x
Subject(s) - biology , stripe rust , pathogenicity , puccinia striiformis , cultivar , pathogen , rust (programming language) , puccinia , veterinary medicine , plant disease resistance , agronomy , botany , gene , genetics , microbiology and biotechnology , computer science , programming language , mildew , medicine
Pathogenic attributes of the wheat stripe rust pathogen were monitored in annual surveys from the first recording of this disease in Australia in 1979. During the 10‐year period to 1988,15 different pathotypes were detected in Australia and New Zealand. The pathotypes included some of economic importance to commercial wheat cultivars and others with no obvious selective advantage to aid their survival. Single‐gene mutations were the most likely causes of variation. The implications of these results on pathogenicity surveys and breeding for resistance are discussed.