A method of controlling phytopathogenic diseases on useful plants or on propagation material thereof, which comprises applying to the useful plants, the locus thereof or propagation material thereof a combination of components (A) and (B) in a specified weight ratio, wherein component (A) is 3-difluoromethyl-1-methyl-1 H-pyrazole-4-carboxylic acid methoxy-[1-methyl-2-(2,4,6-trichlorophenyl)-ethyl]-amide or an agrochemically acceptable salt/isomer/structural isomer/stereoisomer/diastereoisomer/enantiomer/tautomer or N-oxides thereof;