Comparative assessment of the collection, which included 40 winter triticale varieties from breeding centers of Belarus, Poland, Russia and Ukraine resulted in distinguishing valuable sources for the breeding of high-yielding varieties in Belarus: ‘Zhemchug’ and ‘Blago’ (BLR) with the yield capacity exceeding 80 cwt/ha; Zimogor (RUS), ‘Runo’ and ‘Blago’ (BLR) with high grain numbers per spike; ‘Makar’ (RUS) with very high 1,000-grain weight; Yasha (RUS) with protein content of > 13%.