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This article in AJ

  1. Vol. 49 No. 8, p. 449-452
    Received: Feb 18, 1956

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Karyology of Natural 4X, 6X and 8X Progenies of a Tetraploid (4X) Clone of Bromus inermis Leyss1

  1. Helen D. Hill and
  2. H. L. Carnahan2



Plants of a 28-chromosome clone of bromegrass were interplanted in a nursery of 56-chromosome Bromus inermis. Progeny of the tetraploid clone included tetraploid, hexaploid and octoploid plants. The tetraploids were regular in meiosis, the hexaploids very irregular and the two octoploids fairly regular.

The meiotic data supported the hypothesis that Bromus inermis is autoploid for two basic genomes.

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