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PJB-2008-258
GIEMSA N-BANDING PATTERN IN TWO TETRAPLOID CYTOTYPES OF WILD BARLEY (HORDEUM BULBOSUM L.)
Abstract
Distribution pattern of constitutive heterochromatin in 2 tetraploid cytotypes of Hordeum bulbosum was studied by Giemsa N-banding technique. Ideograms were developed for the description of individual N-bands.The N-banding patterns is characterized by having one or two centromeric or juxtacentromeric very small bands per chromosome. Further, single bands are present at one side of the nucleolar organizers. The N-banded karyotype of H.bulbosum (4x) supports the argument that it is an autopolyploid derivative of the diploid cytotype.
