Abstract:Two C-banding methods(called Method Ⅰ and Method Ⅱ),which can differenti-ate all chromosomes of T.aestivum and S.cereale respectively,were used to analyze thesomatic chromosomes of a bread wheat line,“84059-4-2”.When Method Ⅰ wasused,it was found that the short arm of 1B was substituted by a se