Genetic differentiation within the Puccinia triticina population in South America and comparison with the North American population suggests common ancestry and intercontinental migration.

Abstract excerpt

Leaf rust, caused by Puccinia triticina, is the most prevalent and widespread disease of wheat in South America. The objective of this study was to determine whether genetically differentiated groups of P. triticina are currently present in South America and to compare the South American populati...

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