US Patent 7482306 Synergistic herbicidal compositions comprising fomesafen

A herbicidal synergistic composition for the control of weeds and grasses in protoporphyrinogen-oxidase-inhibitor-resistant crops of useful plants which, in addition to comprising customarily inert formulation adjuvants, comprises as active ingredients a) a herbidically effective amount of 5-[2-chloro-4-(trifluoromethyl)phenoxy]-N-(methylsulfonyl)-2-nitro-benzamide of formula (1) which inhibits the action of protoporphyrinogen oxidases, and b) a synergistically effective amount of at least one further compound selected from the group consisting of the co-herbicides diclosulam, foramsulfuron, tepraloxydim, fluazifop-butyl I and fluazifop-P-butyl.