Remarks Although PNW data are preliminary, imazapyr and glyphosate provided good control in initial trials when applied as cut stem treatments.
Site of action (imazapyr) Group 2: acetolactate synthase (ALS) inhibitor; (glyphosate) Group 9: inhibits EPSP synthase
Chemical family (imazapyr) imidazolinone; (glyphosate) none generally accepted