means for bekampfung of hafergras or taubhafer and breitblattrigen unkrautern and grasern

摘要

This invention is (1) synergistic combinations of a 1,2-dialkyl-3,5-diphenylpyrazolium salt and a 2,4-dichlorophenoxy acetic acid or the salts and esters thereof, or 4-chloro-2-methylphenoxy acetic acid or the salts or esters thereof useful as herbicides; (2) a salt of a 1,2-dialkyl-3,5-diphenylpyrazolium cation and certain halophenoxy acetate anions useful as herbicides and (3) the synergistic combination of 1, above, with the salt of 2, above, present.