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This article in CS

  1. Vol. 31 No. 3, p. 665-668
     
    Received: Apr 9, 1990
    Published: May, 1991


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doi:10.2135/cropsci1991.0011183X003100030024x

Genetic Linkage of the Rj2 Gene in Soybean

  1. T. E. Devine ,
  2. J. J. O'Neill,
  3. Y. T. Kiang and
  4. C. J. Bult
  1. D ep. of Plant Biology, Univ. of New Hampshire, Durham, NH 03824
    S mithsonian Inst., Lab of Molecular Systematics, Washington, DC, 20560

Abstract

Abstract

Several genes controlling nodulation response in soybean, Glycine max (L.) Merr., have been found and their use in restricting nodulation with less desirable strains of Bradyrhizobium japonicum has been postulated. However, little is known of their linkage relationships with other genes. This report details genetic linkage tests of the Rj2 locus with 20 other loci: T, P1, L1, Y13, Adh1, W1, F, Rj1, Idh1, Fr1, Y9, Aco2, Dia1, Fr2, Got, Mpi, Pgdl, Pgm1, Y10, and Y17. Only one of the genes tested showed evidence of genetic linkage with Rj2. The estimated distance of Aco2 from Rj2 was 44.7 ± 2.1 genetic map units.

Scientific Contribution no. 1655 from the New Hampshire Agric. Exp. Stn.

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