In 2004 in State Priekuli Plant Breeding Institute testing of winter triticale breeding lines for organic farming was initiated. The first tasks of this testing were to determine the most important traits and their optimum expressions to be utilised as selection criteria in plant breeding for organic farming. Nineteen lines were tested simultaneously in organic and conventional field, to compare yield and grain quality for the same lines. Different traits were tested for lines in organic field and importance of different trait influence on yield and quality traits was evaluated. The results prove, that breeding lines react to growing conditions differently. Important traits for organic crop ideotype of triticale for Latvian conditions are: good winterhardiness, resistance to snow mould, good weed competitiviness, early maturity, prostate growth habit and greater leaf size. Plant height did not influenced significantly competitiviness against weeds and yield.