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Back to Registered Crop Input Products
Registered Crop Input Products / FMC Fluroxypyr 333 EC

FMC Fluroxypyr 333 EC

PCP #35620 · FMC of Canada Limited · Herbicide

Group 4

Group 4 herbicide for post-emergent control of broadleaf weeds in spring wheat, durum wheat, winter wheat, spring barley, and oats. Contains fluroxypyr as 1-methylheptyl ester at 333 g/L. Can be applied alone or in tank mixes with 2,4-D ester, MCPA ester, Refine SG, or Simplicity herbicides for broader spectrum weed control. Effective on cleavers, kochia (including ALS-resistant biotypes), volunteer flax, round-leaved mallow, and other broadleaf weeds.

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Registered uses (91)

Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.

CropTargetRatePHI
BarleyAnnual and perennial broadleaf weeds (high rate)0.125 L/acre60 d
BarleyAnnual and perennial broadleaf weeds (low rate)0.093 L/acre60 d
BarleyAnnual and perennial broadleaf weeds (tank mix with 2,4-D ester - low rate)0.093 L/acre60 d
BarleyAnnual broadleaf weeds0.085–0.166 L/acre60 d
BarleyBroadleaf weeds0.125 L/acre60 d
BarleyBroadleaf weeds (tank mix with MCPA ester)0.125 L/acre60 d
BarleyBroadleaf weeds (tank mix with Refine SG)0.085–0.166 L/acre60 d
Barleychickweed (up to 8 cm)0.166 L/acre60 d
Barleychickweed (up to 8 cm)0.166 L/acre60 d
Barleycleavers (1-6 whorls)0.085 L/acre60 d
Barleycleavers (1-8 whorls)0.125 L/acre60 d
Barleykochia (2-8 leaf, including ALS resistant biotypes)0.125 L/acre60 d
Barleyround-leaved mallow (1-6 leaf)0.166 L/acre60 d
Barleyvolunteer flax (1-12 cm)0.125 L/acre60 d
OatsAnnual broadleaf weeds0.085–0.166 L/acre60 d
OatsBroadleaf weeds0.125 L/acre60 d
OatsBroadleaf weeds (tank mix with MCPA ester)0.125 L/acre60 d
OatsBroadleaf weeds (tank mix with Refine SG)0.085–0.166 L/acre60 d
Oatschickweed (up to 8 cm)0.166 L/acre60 d
Oatschickweed (up to 8 cm)0.166 L/acre60 d
Oatscleavers (1-6 whorls)0.085 L/acre60 d
Oatscleavers (1-8 whorls)0.125 L/acre60 d
Oatskochia (2-8 leaf, including ALS resistant biotypes)0.125 L/acre60 d
Oatsround-leaved mallow (1-6 leaf)0.166 L/acre60 d
Oatsvolunteer flax (1-12 cm)0.125 L/acre60 d
WheatAnnual and perennial broadleaf weeds (high rate)0.125 L/acre60 d
WheatAnnual and perennial broadleaf weeds (high rate)0.125 L/acre60 d
WheatAnnual and perennial broadleaf weeds (high rate)0.125 L/acre60 d
WheatAnnual and perennial broadleaf weeds (low rate)0.093 L/acre60 d
WheatAnnual and perennial broadleaf weeds (low rate)0.093 L/acre60 d
WheatAnnual and perennial broadleaf weeds (low rate)0.093 L/acre60 d
WheatAnnual and perennial broadleaf weeds (tank mix with 2,4-D ester - high rate)0.125 L/acre60 d
WheatAnnual and perennial broadleaf weeds (tank mix with 2,4-D ester - low rate)0.093 L/acre60 d
WheatAnnual and perennial broadleaf weeds (tank mix with 2,4-D ester - low rate)0.093 L/acre60 d
WheatAnnual and perennial broadleaf weeds (tank mix with 2,4-D ester - low rate)0.093 L/acre60 d
WheatAnnual broadleaf weeds0.085–0.166 L/acre60 d
WheatAnnual broadleaf weeds0.085–0.166 L/acre60 d
WheatBroadleaf weeds0.125 L/acre60 d
WheatBroadleaf weeds0.125 L/acre60 d
WheatBroadleaf weeds0.125 L/acre60 d
WheatBroadleaf weeds (tank mix with 2,4-D ester and Simplicity)0.093 L/acre60 d
WheatBroadleaf weeds (tank mix with MCPA ester)0.125 L/acre60 d
WheatBroadleaf weeds (tank mix with MCPA ester)0.125 L/acre60 d
WheatBroadleaf weeds (tank mix with MCPA ester)0.125 L/acre60 d
WheatBroadleaf weeds (tank mix with Refine SG - high rate)0.166 L/acre60 d
WheatBroadleaf weeds (tank mix with Refine SG - low rate)0.085 L/acre60 d
WheatBroadleaf weeds (tank mix with Refine SG - medium rate)0.125 L/acre60 d
WheatBroadleaf weeds (tank mix with Refine SG)0.085–0.166 L/acre60 d
WheatBroadleaf weeds and grassy weeds0.125 L/acre60 d
WheatBroadleaf weeds and grassy weeds0.125 L/acre60 d
WheatBroadleaf weeds and grassy weeds0.125 L/acre60 d
WheatBroadleaf weeds and wild oats (tank mix with Simplicity - high rate)0.125 L/acre60 d
WheatBroadleaf weeds and wild oats (tank mix with Simplicity - high rate)0.125 L/acre60 d
WheatBroadleaf weeds and wild oats (tank mix with Simplicity - low rate)0.085 L/acre60 d
WheatBroadleaf weeds and wild oats (tank mix with Simplicity - low rate)0.085 L/acre60 d
WheatBroadleaf weeds and wild oats (tank mix with Simplicity)0.085–0.125 L/acre60 d
Wheatchickweed (up to 8 cm)0.166 L/acre60 d
Wheatchickweed (up to 8 cm)0.166 L/acre60 d
Wheatchickweed (up to 8 cm)0.166 L/acre60 d
Wheatchickweed (up to 8 cm)0.166 L/acre60 d
Wheatchickweed (up to 8 cm)0.166 L/acre60 d
Wheatchickweed (up to 8 cm)0.166 L/acre60 d
Wheatcleavers (1-6 whorls)0.085 L/acre60 d
Wheatcleavers (1-6 whorls)0.085 L/acre60 d
Wheatcleavers (1-6 whorls)0.085 L/acre60 d
Wheatcleavers (1-6 whorls)0.085 L/acre60 d
Wheatcleavers (1-6 whorls), wild oats0.085 L/acre60 d
Wheatcleavers (1-6 whorls), wild oats0.085 L/acre60 d
Wheatcleavers (1-6 whorls), wild oats0.085 L/acre60 d
Wheatcleavers (1-8 whorls)0.125 L/acre60 d
Wheatcleavers (1-8 whorls)0.125 L/acre60 d
Wheatcleavers (1-8 whorls)0.125 L/acre60 d
Wheatcleavers (1-8 whorls)0.125 L/acre60 d
Wheathempnettle (2-6 leaf) - suppression0.166 L/acre60 d
Wheathempnettle (2-6 leaf) - suppression0.166 L/acre60 d
Wheatkochia (2-8 leaf, including ALS resistant biotypes)0.125 L/acre60 d
Wheatkochia (2-8 leaf, including ALS resistant biotypes)0.125 L/acre60 d
Wheatkochia (2-8 leaf, including ALS resistant biotypes)0.125 L/acre60 d
Wheatkochia (2-8 leaf, including ALS resistant biotypes)0.125 L/acre60 d
Wheatround-leaved mallow (1-6 leaf)0.166 L/acre60 d
Wheatround-leaved mallow (1-6 leaf)0.166 L/acre60 d
Wheatround-leaved mallow (1-6 leaf)0.166 L/acre60 d
Wheatround-leaved mallow (1-6 leaf)0.166 L/acre60 d
Wheatstork's-bill (1-8 leaf) - suppression0.125 L/acre60 d
Wheatstork's-bill (1-8 leaf) - suppression0.125 L/acre60 d
Wheatvolunteer flax (1-12 cm)0.125 L/acre60 d
Wheatvolunteer flax (1-12 cm)0.125 L/acre60 d
Wheatvolunteer flax (1-12 cm)0.125 L/acre60 d
Wheatvolunteer flax (1-12 cm)0.125 L/acre60 d
Wheatwild buckwheat (1-8 leaf) - suppression0.085 L/acre60 d
Wheatwild buckwheat (1-8 leaf) - suppression0.085 L/acre60 d

About this content. This page presents the official PRD label as published by Health Canada's Pesticides Regulatory Directorate (formerly the Pest Management Regulatory Agency), the source of record. Always read the official label and consult your provincial pesticide- application authority before use. Report an error.

Quick facts

Active ingredients
fluroxypyr 333 g/L
Mode of action: Synthetic auxin (HRAC 4, Pyridine carboxylic)
CAS 69377-81-7
Formulation
emulsifiable concentrate
Resistance group
Group 4
First registered
2025-09-03
Registration expiry
2030-12-31