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This article in CS

  1. Vol. 7 No. 6, p. 668-669
    Received: Mar 27, 1967

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Inheritance of Cytoplasmic Malesterility in Sudangrass1

  1. Sultanul Alam and
  2. P. C. Sandal2



Inheritance of cytoplasmic male-sterility was studied in F2 and BC1 generations within crosses of male-sterile Sorghum arundinaceum var. Rhodesian with six lines of sudangrass, Sorghum vulgare var. sudanense. All F1 progenies were male-fertile indicating that the males carried dominant fertility restorer genes.

Based on the segregation of male-fertile to male-sterile plants in the F2 and BC1 generations, male-sterility was conditioned by one gene pair in three crosses, two gene pairs in two crosses and by three gene pairs in one cross. Fertility was dependent on at least a single dominant fertility restorer gene at each of any two of the three gene loci identified.

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