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Registered Crop Input Products / RETAIN A HERBICIDE

RETAIN A HERBICIDE

PCP #30129 · FMC of Canada Limited · Herbicide

Group 2Registration expired

Group 2 herbicide containing thifensulfuron-methyl and tribenuron-methyl for selective post-emergent control or suppression of broadleaf weeds in spring wheat, durum wheat and spring barley. Formulated as 50% soluble granule in water-soluble bags. Stops weed growth rapidly with visible symptoms appearing 1-3 weeks after application.

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Registered uses (6)

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

CropTargetRatePHI
BarleyBroadleaf weeds controlled or suppressed by RETAIN A HERBICIDE alone, as well as cleavers (excluding Group 2 resistant cleavers)12.1 g/acre60 d
BarleyCanada thistle (suppression), Cleavers (suppression), Round leaved mallow (suppression), Scentless chamomile (suppression), Sow thistle (suppression), Stork's bill (suppression), Yellow Toadflax (suppression)12.1 g/acre–
BarleyStinkweed, Annual smartweed (green smartweed, lady's thumb), Ball mustard, Chickweed, Corn spurry, Cow cockle, Flixweed, Groundsel (common), Hemp-nettle, Kochia, Lamb's-quarters, Narrow-leaved hawk's beard, Redroot pigweed, Russian thistle, Shepherd's purse, Tartary buckwheat, Volunteer rapeseed, Volunteer sunflower, Wild buckwheat, Wild mustard12.1 g/acre–
WheatBroadleaf weeds controlled or suppressed by RETAIN A HERBICIDE alone, as well as cleavers (excluding Group 2 resistant cleavers)12.1 g/acre60 d
WheatCanada thistle (suppression), Cleavers (suppression), Round leaved mallow (suppression), Scentless chamomile (suppression), Sow thistle (suppression), Stork's bill (suppression), Yellow Toadflax (suppression)12.1 g/acre–
WheatStinkweed, Annual smartweed (green smartweed, lady's thumb), Ball mustard, Chickweed, Corn spurry, Cow cockle, Flixweed, Groundsel (common), Hemp-nettle, Kochia, Lamb's-quarters, Narrow-leaved hawk's beard, Redroot pigweed, Russian thistle, Shepherd's purse, Tartary buckwheat, Volunteer rapeseed, Volunteer sunflower, Wild buckwheat, Wild mustard12.1 g/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
thifensulfuron-methyl 33.35 %
Sulfonylurea herbicide
Mode of action: ALS / AHAS inhibitor (HRAC 2, Sulfonylurea)
CAS 79277-27-3
tribenuron-methyl 16.65 %
Sulfonylurea herbicide
Mode of action: ALS / AHAS inhibitor (HRAC 2, Sulfonylurea)
CAS 101200-48-0
Formulation
liquid
Resistance group
Group 2
First registered
2011-06-03
Registration expiry
2025-12-31