A herbicidally synergistic combination for selective control of undesired vegetation which comprises, as active ingredient: (A) at least one certain thiocarbamate compound, such as prosulfocarb, and (B) at least one certain compound with a mode of action of inhibition of acetolactate synthase (ALS), such as flucarbazone-sodium, propoxycarbazone-sodium, and flupyrsulfuron-methyl-sodium.
