Patent ID: 6890887

Claim:
A method for the synergistic control of undesirable Poa, Polygonum or Setaria plants which comprises applying to the locus of said plants, to the foliage or stems of said plants or to the soil or water containing seeds of said plants a synergistically effective amount of a combination of a dinitroaniline compound selected from the group consisting of pendimethalin, trifluralin, benfluralin, butralin, dinitramine, ethalfluralin, fluazinam, fluchloralin, flumetralin, oryzalin and prodiamine: and an imidazolinone compound selected from the group consisting of R-imazamox, R-imazethapyr, R-imazaquin, R-imazapic, R-imazapyr or the agriculturally acceptable salts thereof, and mixtures thereof.