The aim of performed research work was to study susceptibility of maize cobs to infection by fungi of Fusarium genus. The cobs were evaluated before harvesting of maize crop for Fusarium occurrence on grains according to the 1–5 scale. The best resistance showed cultivars: Anjou 248, ES Ballade, Subito and Lavena. The most susceptible to Fusarium species were cultivars: Monumental, DKC 3420, Salado and Amoroso.