The technical assistance of Mrs. Keywords: Aegilops tauschii, Fluorescence and genomic in situ hybridization, Gene sources, Meiosis, Mitosis, Resistance genes markers, Triticale == Introduction == Triticale (X TriticosecaleWitt. ) was created using wide crosses to combine the valuable characteristics of wheat (Triticum aestivumL. ) and rye (Secale cerealeL. ) (Aase1930; OMara1953; Jenkins1969; Kiss and Videki1971). […]