Abstract
A progeny consisting of 283 anther-derived doubled haploid barley lines from a cross between the winter cultivars lgri (resistant) and Franka (susceptible) was tested for resistance to Pyrenophora teres. A single, dominant gene was detected and tagged by a series of closely linked RFLP markers located in the proximal portion of the long arm of chromosome 3, close to the centromere. Due to the unknown allelic relationship of this gene to another resistance gene previously assigned to chromosome 3, the preliminary designation Pt,,a is proposed. For marker assisted selection RFLP probe cMWG680, which maps 0.8 cM distal to the gene, was converted into a sequence tagged site marker.
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