Active substance combination comprises herbicides such as glyphosate, glufosinate or glufosinate-ammonium and at least an active substance from e.g. strobilurin, triazoles, sulfenamide, carboxamide, dithiocarbamate, anilinopyrimidine, benzimidazole, carbamate, dicarboximide, guandine, imidazole, morpholine, pyrrole, fungicides, thio(urea) derivatives or triazolopyrimidine. Active substance combination (I) comprises herbicides such as glyphosate, glufosinate or glufosinate-ammonium and at least an active substance from strobilurin e.g. azoxystrobin, fluoxastrobin, (2E)2-(2-{[6-(3-chloro-2-methylphenoxy)-5-fluoro-4-pyrimidinyl]oxy}phenyl)-2(methoxyimino)-N-methylethanamide, trifloxystrobin, orysastrobin, dimoxystrobin, picoxystrobin, pyraclostrobin, metominostrobin and enestroburin； triazoles e.g. azaconazole, etaconazole, propiconazole, difenoconazole, bromuconazole, cyproconazole, hexaconazole, penconazole and myclobutanil； sulfenamide e.g. dichlofluanide and tolylfluanide； carboxamide e.g. N-[2-(1,3-dimethylbutyl)phenyl]-1,3-dimethyl-1H-pyrazole-4-carboxamide, N-(4'-chloro-3'-fluoro-1,1'-biphenyl-2-yl)-2-methyl-4 (difluoromethyl)-1,3-thiazole-5-carboxamide, ethaboxam, fenhexamide, carpropamide, 2-chloro-4-(2-fluoro-2-methylpropionylamino)- N,N-dimethyl-benzamide, fluopicolide, zoxamide, 3,4-dichloro-N-(2-cyanophenyl)-isothiazole-5-carboxamide, carboxin, tiadinil, silthiofam, N-[2-(1,3-dimethylbutyl)phenyl]-1-methyl-4-(trifluoromethyl)-1H-pyrrole-3-carboxamide and N-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]ethyl}-2-(trifluoromethyl)-benzamide； dithiocarbamate e.g. mancozeb, maneb, metiram, propineb, thiram, zineb and ziram； anilinopyrimidine e.g. cyprodinil, mepanipyrim and pyrimethanil； benzimidazole e.g. benomyl, carbendazim, chlorfenazole, fuberidazole and thiabendazole； carbamate e.g. diethofencarb； dicarboximide e.g. captafol, captan, folpet, iprodione, procymidone and vinclozolin； guanidine e.g. dodine, guazatine, iminoctadine triacetate and iminoctadine t
