MITTEL ZUR VERZOEGERUNG DER WIRKUNG HERBIZIDER PRAEPARATE UND HERBIZIDE PRAEPARATE MIT VERZOEGERTER WIRKUNG

The invention relates to compositions (extenders) useful for prolonging the action of herbicides containing thiolcarbamate derivatives as active ingredients as well as to herbicide compositions with a prolonged action containing thiolcarbamate derivatives as active ingredients and optionally an antidote which comprises a diaminomethane derivative of the general formula (III) (III) wherein the R substituents stand independently from one another for C1-6 alkyl groups or for C2-4 alkenyl groups optionally substituted by a C1-4 alkyl group; and a process for prolonging the actin of herbicide compositions containing a thiolcarbamate derivative and optionally an antidote, which comprises applying the above mentioned composition in a quantity providing the prolonged action simultaneously with or after the application of the herbicide composition.