2,4-D (various products)
Rate 0.25 lb ae/A
Remarks Reported to control this plant, although data are lacking in the Pacific Northwest. Follow label instructions.
Site of action Group 4: synthetic auxin
Chemical family Phenoxy acetic acid
linuron (Lorox)
Remarks Applied postemergence, reported to control this plant, although data are lacking in the Pacific Northwest. Follow label instructions.
Site of action Group 7: photosystem II inhibitor
Chemical family Urea
2,4-DB (Butyrac) or alachlor (Lasso) or
bentazon (Basagran) or bromoxynil (BuctriI) or
clomazone (Command) or glyphosate (Roundup) or
imazethapyr (Pursuit) or metribuzin (Sencor or Lexone) or norflurazon Solicam) or oxyfluorfen (Goal) or
paraquat (Gramoxone Max) or terbacil (Sinbar)
Remarks Reported to control this plant, although data are lacking in the Pacific Northwest. Follow label instructions.
Site of action (clomazone) Group 13: inhibits DOXP synthase; (imazethapyr) Group 2: acetolactate synthase (ALS) inhibitor; (2,4-DB) Group 4: synthetic auxin; (glyphosate) Group 9: inhibits EPSP synthase; (terbacil and metribuzin) Group 5: photosystem II inhibitor: (oxyfluorfen) Group 14: protoporphyrinogen oxidase inhibitor; (alachlor) Group 15: unknown; (paraquat) Group 22: photosystem I electron diverter; (bromoxynil and bentazon) Group 6: photosystem II inhibitor but different binding behavior than Groups 5 and 7; (norflurazon Group 12: bleaching; inhibits carotenoid biosynthesis
Chemical family (clomazone) Isoxazolidinone; (imazethapyr) Imidazolinone; (2,4-DB) Phenoxy acetic acid; (glyphosate) none generally accepted; (terbacil) Uracil; (oxyfluorfen) Diphenylether; (alachlor) Chloroacetamide; (metribuzin) triazine; (paraquat) Bipyridilium; (bromoxynil) Nitrile; (norflurazon) Pyridazinone; (bentazon) Benzothiadiazole