The present invention relates to novel trifluoromethoxyphenyl-substituted tetramic acid derivatives of the formula (I),in whichJ, X, Y, A, B, D and G have the meanings given above,to a number of processes for their preparation, and to their use as pesticides and/or herbicides. The invention further provides selective herbicidal compositions which comprise, firstly, trifluoromethoxyphenyl-substituted tetramic acid derivatives and, secondly, a crop plant compatibility-improving compound.The invention further relates to the boosting of the action of crop protection compositions comprising compounds of the formula (I) through the additions of ammonium salts or phosphonium salts and optionally penetrants.