Remarks Although PNW data are lacking, clopyralid, fosamine, glyphosate, imazapyr, metsulfuron, picloram, sulfometuron, and triclopyr are used for control of kudzu in the Southeastern US.
Site of action (imazapyr, metsulfuron, sulfometuron) Group 2: acetolactate synthase (ALS) inhibitor; (glyphosate) Group 9: inhibits EPSP synthase; (clopyralid, picloram, triclopyr) Group 4: synthetic auxin; (fosamine) Group 26, unknown
Chemical family (metsulfuron, sulfometuron) Sulfonylurea; (imazapyr) Imidazolinone; (glyphosate) none generally accepted; (clopyralid, picloram, triclopyr) Pyridine