Herbicides containing at least one substituted pyrido[2,3-d]pyrimidine I ##STR1## or a plant-tolerated salt of those compounds I in which at least one of the substituents R.sup.1 to R.sup.5 is an acidic or a basic group, and at least one herbicidal active ingredient selected from A) the group consisting of the cyclohexenone derivatives II, or B) the group consisting of the 2-(heteroaryloxy)- or 2-(4-aryloxy)-phenoxycarboxylic acid derivative.
含有至少一种取代的
吡啶并[2,3-d]
嘧啶I ## STR1 ## 的
除草剂,或者是这些化合物I的植物耐受盐,其中至少有一个取代基R.sup.1到R.sup.5是酸性或者碱性基团,并且至少有一种除草活性成分被选中,选择自A)
环己烯酮衍
生物II组,或者B)2-(杂环氧基)-或2-(4-芳氧基)-苯氧基
羧酸衍
生物组。