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Back to Registered Crop Input Products
Registered Crop Input Products / Fierce® EZ Herbicide

Fierce® EZ Herbicide

PCP #33869 · Valent Canada Inc. · Herbicide

Group 14 and Group 15

Group 14 and Group 15 herbicide containing flumioxazin and pyroxasulfone for preemergence control of annual and perennial broadleaf weeds and grasses in soybeans, chickpeas, field peas, lentils, field corn (no-till/minimum till only), and spring/winter wheat (no-till/minimum till only). Controls resistant biotypes including Group 1, 2, 4, 5, and 9 resistant weeds. Provides residual weed control when activated by moisture.

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Registered uses (7)

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

CropTargetRatePHI
ChickpeaAnnual and perennial broadleaf weeds and grasses178–267 mL/acre–
CornAnnual and perennial broadleaf weeds and grasses178 mL/acre–
LentilAnnual and perennial broadleaf weeds and grasses178–267 mL/acre–
PeaAnnual and perennial broadleaf weeds and grasses178–267 mL/acre–
SoybeanAnnual and perennial broadleaf weeds and grasses178–267 mL/acre–
WheatAnnual and perennial broadleaf weeds and grasses178 mL/acre–
WheatAnnual and perennial broadleaf weeds and grasses178 mL/acre–

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
pyroxasulfone 203 g/L
Group 15
CAS 447399-55-5
flumioxazin 160 g/L
N-phenylphthalimide herbicide
Mode of action: PPO inhibitor (HRAC 14, N-phenylphthalimide)
CAS 103361-09-7
Formulation
suspension concentrate
Resistance group
Group 14 and Group 15
First registered
2020-09-10
Registration expiry
2026-12-31