A series of 3,5-diphenyl-4(1H)-pyridazinones and thiones are useful for reducing the vigor of unwanted herbaceous plants. The compounds are effective when applied either preemergence or postemergence to the unwanted plants. The compounds bear 1-alkyl substituents, and the phenyl rings may be substituted as well.
一系列的3,5
-二苯基-4(1H)-
吡啶嗪酮和
硫酮对于减少不想要的草本植物的强度是有用的。这些化合物在施用于不想要的植物的萌芽前或萌芽后都是有效的。这些化合物带有1-烷基取代基,苯环也可能被取代。