Method for protecting cereals from being infected by harmful fungi, wherein the cereals, their seed or the soil is treated with a synergistically active combination comprising a) bixafen (I) or N-[2-(1,3-dimethylbutyl)-phenyl]-1,3-dimethyl-5-fluor-1H-pyrazole-4-carboxamide (II) and b) epoxiconazole or metconazole; a fungicidal agent and seed comprising said combination.