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Back to Registered Crop Input Products
Registered Crop Input Products / Classic™ Herbicide

Classic™ Herbicide

PCP #29416 · Corteva Agriscience Canada Company · Herbicide

Group 2

Group 2 herbicide containing 25% chlorimuron-ethyl as wettable granules for selective control of broadleaf weeds in soybeans in Eastern Canada. Can be applied pre-plant, post-plant pre-emergence, or post-emergence. Available in tank-mix combinations with imazethapyr, glyphosate, metribuzin, and Assure II for expanded weed spectrum control.

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Registered uses (25)

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 Grasses, Common Ragweed, Redroot Pigweed, Velvetleaf14.6 g/acre60 d
SoybeanAnnual Sow-thistle (2-5 leaf stage)14.6 g/acre60 d
SoybeanAnnual Sow-thistle (Season Long Control, less than 15 cm tall and across)14.6 g/acre60 d
SoybeanCanada fleabane including glyphosate resistant biotypes (residual season long control)14.6 g/acre60 d
SoybeanCommon Lamb's Quarters (up to 6 leaf stage)14.6 g/acre60 d
SoybeanCommon Lamb's Quarters (up to 6 leaf stage)14.6 g/acre60 d
SoybeanCommon Ragweed (2-6 leaf stage, 10 cm height)14.6 g/acre60 d
SoybeanCommon Ragweed (2-6 leaf stage, 10 cm height)14.6 g/acre60 d
SoybeanDandelion (Season Long Control, less than 15 cm tall and across)14.6 g/acre60 d
SoybeanDandelion (pre-bloom, 15 cm height - top growth control 4 to 6 weeks)14.6 g/acre60 d
SoybeanDandelion (season long control, up to bolting)14.6 g/acre60 d
SoybeanDandelion (up to bolting)14.6 g/acre60 d
SoybeanPrickly Lettuce (1-7 leaf stage)14.6 g/acre60 d
SoybeanPrickly Lettuce (1-7 leaf stage)14.6 g/acre60 d
SoybeanRedroot Pigweed (2-8 leaf stage, 10 cm height)14.6 g/acre60 d
SoybeanRedroot Pigweed (2-8 leaf stage, 10 cm height)14.6 g/acre60 d
SoybeanVelvetleaf (2-4 leaf stage, 10 cm height)14.6 g/acre60 d
SoybeanVelvetleaf (2-4 leaf stage, 10 cm height)14.6 g/acre60 d
SoybeanVolunteer adzuki beans (Vigna angularis Ohwi & Ohashi) 1-3 trifoliate stage (suppression only)14.6 g/acre60 d
SoybeanWild carrot (Daucus carota) 2-20 leaf stage (suppression only)14.6 g/acre60 d
SoybeanYellow Nutsedge (Season long control, up to 8 leaf stage)14.6 g/acre60 d
SoybeanYellow Nutsedge (suppression only, up to 3 leaf stage)14.6 g/acre60 d
SoybeanYellow Nutsedge (up to 8 leaf stage, 5-15 cm height)14.6 g/acre60 d
SoybeanYellow Nutsedge (up to 8 leaf stage, 5-15 cm height)14.6 g/acre60 d
SoybeanYellow nutsedge, Eastern black nightshade9.71 g/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
chlorimuron 25 %
Sulfonylurea herbicide
CAS 99283-00-8
Formulation
granular
Resistance group
Group 2
First registered
2009-12-01
Registration expiry
2028-12-31