The disclosure relates to a formulation comprising at least one agriculturally active ingredient at least one aromatic hydrocarbon and at least one acyl morpholine according to the formula (I), where R is H, CH3 or C2H. The formulation may further provide a polar aprotic solvent. The acyl morpholine may be N-formyl morpholine and a polar aprotic solvent may be propylene carbonate. The disclosure also relates to a method for treating a plant or seed using said formulation.