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Close Association of Two Factors for Avirulence in Puccinia graminis tritici. N. H. Luig, Senior Research Fellow, Plant Breeding Institute, University of Sydney, Sydney, N.S.W., 2006, Australia; Phytopathology 68:936-937. Accepted for publication 4 November 1977. Copyright 1978 The American Phytopathological Society, 3340 Pilot Knob Road, St. Paul, MN 55121. All rights reserved.. DOI: 10.1094/Phyto-68-936.

The corresponding genes for avirulence on Webster and Agropyron intermedium derivative W3592 in P. graminis tritici, are distinct. A change in one gene, however, is likely to affect the other.

Additional keywords: double mutants, gene interactions.