VIEW ARTICLE

Letter to the Editor

The Genetic Structure of Populations of Puccinia graminis f. sp. tritici. D. R. Knott, Professor, Department of Crop Science and Plant Ecology, University of Saskatchewan, Saskatoon, Canada S7N 0W0; Phytopathology 76:1149. Accepted for publication 25 July 1986. Copyright 1986 The American Phytopathological Society. DOI: 10.1094/Phyto-76-1149.