glyphosate
Rate 2.25 lb ae/A
Time Apply to actively growing plants from bud to early flower.
Remarks Glyphosate is nonselective and will kill or injure vegetation that might compete with new chervil seedlings.
Site of action Group 9: inhibits EPSP synthase
Chemical family None generally accepted
imazapyr (Arsenal)
Rate 0.75 lb ai/A
Time Apply to actively growing plants from bud to early flower.
Remarks Add an appropriate surfactant
Caution Use on rangeland, pasture, and non-cropland only.
Site of action Group 2: acetolactate synthase (ALS) inhibitor
Chemical family Imidazolinone