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GrainGenes Reference Report: TAG-89-622

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Reference	TAG-89-622
Title	Cytogenetic investigation of Triticum timopheevii (Zhuk.) Zhuk. and related using the C-banding technique
Journal	Theoretical and Applied Genetics
Year	1994
Volume	89
Pages	622-628
Author	Badaeva E Filatenko A Badaev N
Abstract	Triticum timopheevii and related species T militinae (2n = 28, AtG) and T zhukovskyi (2n = 42, AmAtG), hybrids T kiharae, T miquschovae, the amphidiploid T timopheevii X T tauschii (all 2n = 42, AtGD), T. fungicidum (ABAtG) and T. timonovum (2n = 56, AtAtGG) were analyzed using the C-banding technique. Chromosomes of the Am and At genomes in the karyotype of T. zhukovskyi differed in their C-banding pattern. Partial substitutions of At-genome chromosomes and a complete substitution of the G-genome chromosomes by homoeologous chromosome of an unidentified tetraploid wheat species with an AB genome composition were found in the T. timonovum karyotype. At- and G-genome chromosomes in the karyotypes of all studied species had similar C-banding patterns and were characterized by a low level of polymorphism. The comparative stability of the At and G genomes is determined by the origin and specificity of cultivation of studied species.
Keyword	c-bands [ Show all 9 ]

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