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This article in CS

  1. Vol. 33 No. 3, p. 642-643
     
    Received: May 8, 1992


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doi:10.2135/cropsci1993.0011183X003300030043x

Linkage between the Rpg1 Gene for Stem Rust Resistance and the f5 Locus on Barley Chromosome 1

  1. Yue Jin ,
  2. Brian J. Steffenson and
  3. Jerome D. Franckowiak
  1. Dep. of Crop and Weed Sciences, North Dakota State Univ., Fargo, ND 58105

Abstract

Abstract

Linkage studies can expedite the transfer of agronomically important genes in breeding programs. A study was conducted to determine the linkage relationship between loci segregating for stem rust (Puccinia graminis Pers.:Pers. f. sp. tritici Eriks. & E. Henn.) resistance (Rpg1) and a chlorina mutant (f5), and to confirm the linkage among Rpg1, br1 (brachytic) and fc (chlorina seedling). ‘Bowman’ barley (Hordeum vulgare L.) was crossed to genetic stocks possessing br1, fc, and f5, respectively. Estimates of linkage distances were 9.6 ± 1.4% between Rpg1 and br1, 13.6 ± 1.8% between Rpg1 and fc, and 25.9 ± 2.6% between Rpg1 and f5. The linkage between Rpg1 and f5 was established.

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