The invention relates to selective herbicidal compositions that comprise an effective amount of an active compound combination comprising (a) one or more compounds of the formula (I) in which Q<；1>；, Q<；2>；, R<；1>；, R<；2>；, R<；3 >；and R<；4 >；are as defined in the disclosure and salts of the compounds of the formula (I) and (b) at least one of the crop-plant-compatibility-improving compounds listed in the disclosure. The invention further relates to the use of these compositions for controlling undesirable vegetation and to a process for preparing the compositions according to the invention.
