Spurge laurel (Daphne laureola)

Remarks Although PNW data are preliminary, aminocyclopyrachlor, aminopyralid, glyphosate, imazapyr, and triclopyr + 2,4-D applied as cut stem treatments gave promising results in initial trials. Imazapyr and triclopyr + 2,4-D applied to foliage also resulted in good control.

Site of action (imazapyr) Group 2: acetolactate synthase (ALS) inhibitor; (glyphosate) Group 9: inhibits EPSP synthase; (2,4-D, aminocyclopyrachlor, aminopyralid, triclopyr) Group 4: synthetic auxin

Chemical family (imazapyr) imidazolinone; (glyphosate) none generally accepted; (2,4-D) phenoxy acetic acid; (aminocyclopyrachlor, aminopyralid, triclopyr) pyridine