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This article in CS

  1. Vol. 6 No. 6, p. 569-570
    Received: June 16, 1966

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Red-root in Alfalfa: Inheritance and Relationship with Flower Color1

  1. William M. Clement and
  2. E. H. Stanford2



Inheritance of a character conditioning anthocyanin pigmentation in the roots of alfalfa was determined to be governed by a single dominant gene, Rd, inherited in a tetrasomic manner. The c gene controlling white-flowers was epistatic to the Rd gene, red-root being expressed only in plants with colored flowers. The c locus appeared to be a basic color factor for anthocyanin production in all plant parts. The reason for a negative correlation of intensity of flower and root color observed in one family was not evident. Although most of the data were consistent with the hypothesis proposed, the digenic segregations for the Rd and c genes did not fit expected ratios. Linkage and viability problems were among the likely reasons.

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