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The Journal of Heredity 1994:85(4):306-310
© 1994 The American Genetic Association 85:306-310


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Gene Mapping in Lentil With Recombinant Inbred Lines

M. Tahir, and F. J. Muehlbauer

Department of Crop and Soil Sciences, Washington State University Pullman
The USDAARS, Washington State University Pullman, WA 99164

Abstract

Homozygous recombinant lines developed from interspecific Lens hybrids were used to map isozyme and morphological markers in lentil F3 families from eight interspecific (L culmans × L orientahs) lentil crosses were advanced to the F6 by single seed descent to develop eight sets of recombinant inbred lines. Each of the eight sets of lines was assayed for parental alleles at 2–8 isozyme and four morphological trait loci. Single locus goodness of fit to the expected 1·1 ratio was determined for each of the marker loci, and linkage relationships among the marker loci were determined. Six linkage groups were identified, and included a total of 17 isozyme loci and four morphological trait loci. We confirmed previously reported linkages among isozyme loci and morphological trait loci (Gs: Aat-p, Pi.Gal-1, Yc:Pgm-p, Aat-c:Me-2, AatmbSkdh, Fk:Pgd-p), and identified three additional linkage groups (Gh:Gal-1, Gal-2:AatmbSkdh, and Skdh.Aldo.Nag). The genetic map of lentil was expanded and confirmed based on these linkages, and a database was generated that can be used to add additional markers to the gene map.


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