"herbicidal composition". The present invention relates to a synergistic composition comprising as active ingredient a mixture of a) pyribenzoxim and b) a synergistically effective amount of at least one compound selected from the compounds of the group mesotrione, benzobicyclon, benzofenap, pyraflufen-ethyl, beflubutamid, cafenstrol. , dimetamethrin, clomeprop, prometrin, simetrin, trifluoxysulfuron, sulfosulfuron, n - [(4,6-dimethoxypyrimidin-2yl) aminocarbonyl] -2- (2-fluoro-1-methoxy-acetoxynpropyl) pyridine-3sulfonamide, s-metolachlor, alachlor 8- (2,6-diethyl-4-methylphenyl) -9-oxo-1,2,4,5-tetrahydro-9h-pyrazolo [1,2-d] [1,4,5] - 2,2-dimethyl-propionic acid oxadiazepin-7-yl, isoxaciortol, clometoxyfen, fomesafen, halosafen, lactofen, oxifluorfen, fluazolate, benzfendizone, cinidon-ethyl, flumichloracpentyl, flumioxazin, azafenidin, pentoxazole pirazulazole, prof , pyriftalid, bispyribac-sodium, pyritiobac-sodium, pyriminobac-sodium, clodinafop, pretylacior, quinclorac, pyrazolinate, molinate, thiobencarb and mefenacet. The compositions according to the invention may also comprise a defense agent."composição herbicida". a presente invenção refere-se a uma composição sinérgica compreendendo como ingrediente ativo uma mistura de a) piribenzoxim e b) uma quantidade sinergicamente eficaz de no mínimo um composto selecionado entre os compostos do grupo mesotriona, benzobiciclon, benzofenap, piraflufen-etila, beflubutamid, cafenstrol, dimetametrin, clomeprop, prometrin, simetrin, trifluoxissulfuron, sulfossulfuron, n-[(4,6-dimetoxipirimidin-2ila)aminocarbonila]-2-(2-fluoro-1 -metóxi-acetoxinpropila)piridina-3sulfonamida, s-metolaclor, alaclor, metamifop, éster 8-(2,6-dietila-4-metilafenila)-9-oxo-1,2,4,5-tetraidro-9h-pirazolo[1,2-d][1,4,5]-oxadiazepin-7-ílico de ácido 2,2-dimetila-propiônico, isoxaciortol, clometoxifen, fomesafen, halosafen, lactofen, oxifluorfen, fluazolato, benzfendizona, cinidon-etila, flumicloracpentila, flumioxazin, azafenidin, pentoxazona, prof
