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Abstract
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In order to study of intraspecific karyotype divergence in Ae. triuncialis, 13 populations of this species that were collected from Northwest regions of Iran were studied using squash technique. Chromosome number in all populations was 2n=28, but karyological characters such as total length of chromosomes, chromosome arm ratio, number and length of satellites, karyotype formulae and symmetrical indexes showed high variation. All results indicate presence of high genetic variation among the populations of Ae. triuncialis species. This variation can be useful in breeding programs of polyploid wheats and to broaden the genetic variability of the gene pool.
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