An active composition comprising at least one derivative of formula wherein T represents an oxygen or a sulfur atom and X is selected from the list of 2-isopropyl, 2-cyclopropyl, 2-tert-butyl, 5-chloro-2-ethyl, 5-chloro-2-isopropyl, 2-ethyl-5-fluoro, 5-fluoro-2-isopropyl, 2-cyclopropyl-5-fluoro, 2-cyclopentyl-5-fluoro, 2-fluoro-6-isopropyl, 2-ethyl-5-methyl, 2-isopropyl-5-methyl, 2-cyclopropyl-5-methyl, 2-tert-butyl-5-methyl, 5-chloro-2-(trifluoromethyl), 5-methyl-2-1 (trifluoromethyl), 2-chloro-6-(trifluoromethyl), 3-chloro-2-fluoro-6-(trifluoromethyl) and 2-ethyl-4,5-dimethyl, or an agrochemically acceptable salt thereof, and at least one further active fungicidal compound B selected from the group L3 consisting of: 3-(4,4-difluoro-3,3-dimethyl-3,4-dihydroisoquinolin-1-yl) quinoline; 3-(difluoromethyl)-N-methoxy-1-methyl-N-[1-(2,4,6-trichlorophenyl)propan-2-yl]-1H-pyrazole-4-carboxamide; N-(4-chloro-2,6-difluorophenyl)-4-(2-chloro-4-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine; 2-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-1-(1H-1,2,4-triazol-1-yl)propan-2-ol; 2-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-1-(1H-1,2,4-triazol-1-yl)butan-2-ol; 9-fluoro-2,2-dimethyl-5-(quinolin-3-yl)-2,3-dihydro-1,4-benzoxazepine; 2-{2-fluoro-6-[(8-fluoro-2-methylquinolin-3-yl)oxy]phenyl}propan-2-ol; 2-{2-[(7,8-difluoro-2-methylquinolin-3-yl)oxy]-6-fluorophenyl}propan-2-ol. at least one derivative of formula wherein T represents an oxygen or a sulfur atom and X is selected from the list of 2-isopropyl, 2-cyclopropyl, 2-tert-butyl, 5-chloro-2-ethyl, 5-chloro-2-isopropyl, 2-ethyl-5-fluoro, 5-fluoro-2-isopropyl, 2-cyclopropyl-5-fluoro, 2-cyclopentyl-5-fluoro, 2-fluoro-6-isopropyl, 2-ethyl-5-methyl, 2-isopropyl-5-methyl, 2-cyclopropyl-5-methyl, 2-tert-butyl-5-methyl, 5-chloro-2-(trifluoromethyl), 5-methyl-2-1 (trifluoromethyl), 2-chloro-6-(trifluoromethyl), 3-chloro-2-fluoro-6-(trifluoromethyl) and 2-ethyl-4,5-dimethyl, or an agrochemically acceptable salt thereof, and at least one further active fungicidal compound B selected from the group L3 consisting of: 3-(4,4-difluoro-3,3-dimethyl-3,4-dihydroisoquinolin-1-yl) quinoline; 3-(difluoromethyl)-N-methoxy-1-methyl-N-[1-(2,4,6-trichlorophenyl)propan-2-yl]-1H-pyrazole-4-carboxamide; N-(4-chloro-2,6-difluorophenyl)-4-(2-chloro-4-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine; 2-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-1-(1H-1,2,4-triazol-1-yl)propan-2-ol; 2-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-1-(1H-1,2,4-triazol-1-yl)butan-2-ol; 9-fluoro-2,2-dimethyl-5-(quinolin-3-yl)-2,3-dihydro-1,4-benzoxazepine; 2-{2-fluoro-6-[(8-fluoro-2-methylquinolin-3-yl)oxy]phenyl}propan-2-ol; 2-{2-[(7,8-difluoro-2-methylquinolin-3-yl)oxy]-6-fluorophenyl}propan-2-ol. 3-(4,4-difluoro-3,3-dimethyl-3,4-dihydroisoquinolin-1-yl) quinoline; 3-(difluoromethyl)-N-methoxy-1-methyl-N-[1-(2,4,6-trichlorophenyl)propan-2-yl]-1H-pyrazole-4-carboxamide; N-(4-chloro-2,6-difluorophenyl)-4-(2-chloro-4-fluorophenyl)-1,3-dimethyl-1H-pyrazol-5-amine; 2-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-1-(1H-1,2,4-triazol-1-yl)propan-2-ol; 2-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-1-(1H-1,2,4-triazol-1-yl)butan-2-ol; 9-fluoro-2,2-dimethyl-5-(quinolin-3-yl)-2,3-dihydro-1,4-benzoxazepine; 2-{2-fluoro-6-[(8-fluoro-2-methylquinolin-3-yl)oxy]phenyl}propan-2-ol; 2-{2-[(7,8-difluoro-2-methylquinolin-3-yl)oxy]-6-fluorophenyl}propan-2-ol.