The research material was potato tubers derived from the three-year yield experiment carried out in the soil of the very good rye complex. The experiment was a two-way random split-plot arrangement of plots with three replicates. The following factors were examined: two medium-early potato cultivars - Satina, Tajfun, and five methods of an application of soil fertilizer UGmax. The research was aimed at determined the effect of potato cultivar and soil fertilizer UGmax on the sensory quality of edible potato tubers. The application of soil fertilizer UGmax contributed to the modified of darkening of cooked flesh of potato tubers after 24 hours identified compared with the control. Type culinary of potato tubers significantly affected cultivars and methods of an application of soil fertilizer UGmax. While other consumptive values: flesh colour, savouriness, darkening of raw flesh of potato tubers after 4 hours, darkening of cooked flesh of potato tubers after 2 hours identified did not change.