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Research Abstracts Online
January 2010 - March 2011

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University of Minnesota Twin Cities
College of Food, Agricultural, and Natural Resource Sciences
Department of Plant Pathology

PI: Yue Jin

Mapping Wheat Stem Rust Resistance Genes

Wheat stem rust has historically caused epidemics worldwide. Several wheat lines have been identified as resistant to stem rust race Ug99, but these lines are rarely adapted high-yielding varieties. If molecular markers are identified that are linked to resistance genes, breeders can utilize marker-assisted-selection to develop resistant varieties. These researchers have developed several mapping populations segregating for stem rust resistance and preliminary mapping has been done. Further mapping is needed using the software JoinMap 4.0. These analyses will provide the researchers with information on the location of resistance genes in the wheat genome. This will facilitate the rapid development of molecular markers closely linked to these genes.

Group Members

James A. Anderson, Faculty Collaborator
Matthew N. Rouse, Graduate Student