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Australian Cereal Rust Report Vol 12 issue 3 - Exotic wheat leaf rust pathotype detected in South Australia
Sydney, Australia
September 24, 2014
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A new pathotype of the wheat leaf rust pathogen, Puccinia triticina, was detected in a sample of leaf rust collected from a crop of the wheat cultivar SQP Revenue at South Bool Lagoon (South Australia) in mid-August 2014. The new pathotype, 104-1,3,4,6,7,8,9,10,12 +Lr37, is considered to be an exotic incursion based on its unique virulence profile and SSR fingerprint. This pathotype is the 12th documented incursion of an exotic wheat rust pathogen since Australia-wide cereal rust surveys conducted by University of Sydney staff began in 1922. More detailed tests are currently underway to assess the full impact of this new pathotype on wheat and triticale cultivars.
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More news from: University of Sydney
Website: http://sydney.edu.au/agriculture/plant_breeding_institute/index.shtml Published: September 26, 2014 |
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