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This article in AJ

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


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doi:10.2134/agronj1957.00021962004900080013x

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

Sypnosis

Sypnosis

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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