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This article in CS

  1. Vol. 26 No. 4, p. 831-833
     
    Received: May 16, 1985


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doi:10.2135/cropsci1986.0011183X002600040044x

Genetic Linkage between Glume Color and Certain Gliadin Proteins in Durum Wheat1

  1. R. A. Hare,
  2. D. L. du Cros and
  3. W. C. Barnes2

Abstract

Abstract

The genetic linkage between glume color and certain gliadin proteins in the endosperm of durum wheat (Triticum turgidum L. group durum) was determined by classifying F3 families from two crosses in which ‘Kamilaroi’ sibs were crossed to homozygous lines derived from ‘Anhinga’ selection/‘Leeds’ and ‘Wells’/56111. Particular attention was focused on linkage between the locus controlling gliadin group 42 and group 45 with that conditioning glume color, Rg 1. An estimate of the recombination value was calculated to be 5.4%. The group 45 gliadin proteins are presumed to contribute to gluten strength, while group 42 proteins are associated with gluten weakness. The close linkage between these gliadin proteins and glume color will permit selection for gluten strength in early generations of a durum wheat breeding program.

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