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Registered Crop Input Products / Imazethapyr SL

Imazethapyr SL

PCP #34260 · Corteva Agriscience Canada Company · Herbicide

Group 2Registration expired

Group 2 selective herbicide for control of annual and perennial broadleaf weeds and grasses in soybeans. Can be applied as early pre-plant (up to 30 days before planting), pre-plant incorporated, pre-emergent or post-emergent treatment. Compatible with glyphosate tolerant (Roundup Ready) and glufosinate ammonium tolerant (LibertyLink) soybeans. NOT FOR USE IN PRAIRIE PROVINCES.

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Registered uses (9)

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

CropTargetRatePHI
SoybeanAnnual and perennial broadleaf weeds and grasses126–170 mL/acre100 d
SoybeanAnnual and perennial broadleaf weeds and grasses126–170 mL/acre100 d
SoybeanBroadleaf and grass weeds126 mL/acre100 d
SoybeanBroadleaf and grass weeds126 mL/acre100 d
SoybeanBroadleaf and grass weeds, late germinating eastern black nightshade, common lamb's quarters, redroot pigweed, velvetleaf, fall panicum and wild proso millet64.7–85 mL/acre100 d
SoybeanEmerged weeds (before 2 true leaf stage)170 mL/acre100 d
SoybeanLamb's quarters, Redroot pigweed, Smartweed, Lady's thumb, Wild mustard, Velvetleaf, Ragweed (common and giant), Eastern black nightshade, Wild buckwheat, Cocklebur, Foxtail (green and yellow), Barnyard grass, Old witchgrass, Proso millet, Crabgrass (large), Yellow nutsedge170 mL/acre100 d
SoybeanLamb's quarters, Redroot pigweed, Smartweed, Lady's thumb, Wild mustard, Velvetleaf, Ragweed (common and giant), Eastern black nightshade, Wild buckwheat, Cocklebur, Foxtail (green and yellow), Barnyard grass, Old witchgrass, Proso millet, Crabgrass (large), Yellow nutsedge126 mL/acre100 d
SoybeanRedroot pigweed (up to 12 leaf stage), Velvetleaf (up to 8 leaf stage), Foxtail green and yellow (up to 4 leaf stage), Barnyard grass (up to 6 leaf stage), Giant ragweed (up to 10 leaf stage)170 mL/acre100 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
imazethapyr 240 g/L
Imidazolinone herbicide
Mode of action: ALS / AHAS inhibitor (HRAC 2, Imidazolinone)
CAS 81335-77-5
Formulation
solution
Resistance group
Group 2
First registered
2021-10-19
Registration expiry
2025-12-31