author keywords: bentazon, 3-(1-methylethyl)-(1H)-2,1,3-benzothiadiazin-4(3H)-one 2,2-dioxide; chlorimuron, 2-[[[[(4-chloro-6-methoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]benoic acid; fomesafen, 5-[2-chloro-4-(trifluoromethyl)phenoxy]-N-(methylsulfonyl)-2-nitrobenzamide; glyphosate, N-(phosphonomethyl)glycine; imazethapyr, 2-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic acid; broadleaf signalgrass, Brachiaria platyphylla (Griseb.) Nash #(3) BRAPP; large crabgrass, Digitaria sanguinalis (L.) Scop. # DIGSA; herbicide mixtures; postemergence weed control; Brachiaria platyphylla; Digitaria sanguinalis; BRAPP; DIGSA