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Identification of intergenomic translocations involving wheat, Hordeum vulgare and Hordeum chilense chromosomes by FISH

AuthorsPrieto, Pilar ; Ramírez, M. Carmen ; Ballesteros, Juan ; Cabrera, Adoración
Issue Date2001
CitationHereditas 135: 171-174 (2001)
AbstractIntergenomic translocations between wheat, Hordeum chilense and Hordeum vulgare have been obtained in tritordeum background. Advanced lines from the crosses between three disomic chromosome addition lines for chromosome 2Hv, 3Hv, and 4Hv of barley (Hordeum vulgare) in Triticum aestivum cv. Chinese Spring (CS) and hexaploid tritordeum (2n=6x=42, AABBHchHch) were analyzed. Multicolour FISH using both genomic DNA from H. chilense and H. vulgare were used to establish the presence and numbers of H. vulgare introgressions into tritordeum. Interspecific H. vulgare-H. chilense and intergeneric wheat-H. vulgare and wheat-H. chilense translocations were identified. Frequencies of plants containing different kinds of intergenomic translocations between chromosome arms are presented. These lines can be useful for introgressing into tritordeum characters of interest from H. vulgare.
Description4 pages: 1 figure: 1 table
Publisher version (URL)http://dx.doi.org/10.1111/j.1601-5223.2001.t01-1-00171.x
Appears in Collections:(IAS) Artículos
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