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Registered Crop Input Products / Thizzle Herbicide

Thizzle Herbicide

PCP #32423 · Sharda Cropchem Limited · Herbicide

Group 4

Group 4 herbicide containing clopyralid for control of Canada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle, volunteer alfalfa, and other broadleaf weeds in cereals, canola, flax, forage grasses, various vegetables, fruits, and non-crop areas. Multiple tank-mix options available. Regional restrictions apply for some uses.

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Registered uses (34)

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

CropTargetRatePHI
ApplePerennial vetch species0.272 L/acre30 d
Balsam FirVetch (Vicia spp.)0.204 L/acre–
BarleyCanada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa0.204–0.272 L/acre–
BlueberryRed and white clover0.403 L/acre45 d
BlueberryTufted vetch0.204 L/acre304 d
BlueberryVetch0.204 L/acre45 d
BroccoliRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
CabbageRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
CanolaCanada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa0.204–0.403 L/acre–
CanolaCanada thistle, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), common groundsel0.204–0.272 L/acre–
CauliflowerRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
Chinese BroccoliRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
Chinese RadishRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
ConifersLabeled weeds0.204–0.272 L/acre–
CranberryVetch–60 d
FlaxCanada thistle, common groundsel, scentless chamomile, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa0.272–0.403 L/acre–
Grass SeedLabeled weeds plus alsike clover0.204–0.403 L/acre–
KohlrabiRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
Mustard CabbageRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
Nappa CabbageRagweed, vetch, common groundsel, Canada thistle; suppression of sheep sorrel0.272 L/acre30 d
Non-CropLabeled weeds including Canada thistle0.204–0.403 L/acre–
OatsCanada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa0.204–0.272 L/acre–
PoplarCanada thistle and other labeled weeds0.403 L/acre–
RangelandLabeled weeds plus alsike clover0.204–0.403 L/acre–
RangelandSpotted and diffuse knapweed0.34 L/acre–
RutabagaCommon ragweed0.272 L/acre83 d
ShelterbeltCanada thistle0.403 L/acre–
StrawberrySheep sorrel and ox-eye daisy0.403 L/acre–
StrawberryTufted vetch0.272 L/acre–
SugarbeetCanada thistle0.272–0.403 L/acre90 d
SummerfallowCanada thistle, scentless chamomile, common groundsel, wild buckwheat, perennial sow-thistle (top growth), volunteer alfalfa0.403 L/acre–
WheatCanada thistle, common groundsel, perennial sow-thistle (top growth control), wild buckwheat, scentless chamomile, volunteer alfalfa0.204–0.272 L/acre–
WheatGiant ragweed (emergence to five leaf stage)0.272 L/acre60 d
WheatLabeled weeds0.204–0.272 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
clopyralid 300 g/L
Pyridine carboxylic acid herbicide
Mode of action: Synthetic auxin (HRAC 4, Pyridine carboxylic)
CAS 1702-17-6
Formulation
liquid
Resistance group
Group 4
First registered
2016-09-13
Registration expiry
2026-12-31