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Registered Crop Input Products / Treflan QR5

Treflan QR5

PCP #14545 · Gowan Company, LLC · Herbicide

Group 3

Group 3 granular herbicide containing 5% trifluralin for preplant incorporated control of annual grasses and broadleaf weeds in oilseed crops, special crops, cereals, and forage establishment. For sale and use only in the Prairie Provinces.

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Registered uses (14)

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

CropTargetRatePHI
AlfalfaAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
BeanAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
CanolaAnnual grasses (wild oats, wild millet/green foxtail, barnyard grass, Persian darnel, crab grass, brome grass, cheat, stink grass, goose grass, annual blue grass) and annual broadleaves (wild buckwheat, cow cockle, pigweed, lamb's-quarters, chickweed, purslane, knotweed, carpetweed)6.88–11.3 kg/acre–
CanolaAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
CerealsAnnual grasses and annual broadleaves6.88–11.3 kg/acre–
FababeanAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
FlaxAnnual grasses and annual broadleaves8.9–13.8 kg/acre–
LentilsAnnual grasses and annual broadleaves8.9–13.8 kg/acre–
MustardAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
PeasAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
SoybeanAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
SunflowerAnnual grasses and annual broadleaves6.88–13.8 kg/acre–
WheatFallow Year: wild millet (green foxtail), wild oats, Persian darnel, barnyard grass, wild buckwheat, cow cockle, lamb's-quarters, redroot pigweed, Russian thistle. Crop Year: wild millet (green foxtail), lamb's-quarters, wild oats, wild buckwheat5.26–8.9 kg/acre–
WheatFallow Year: wild millet (green foxtail), wild oats, Persian darnel, barnyard grass, wild buckwheat, cow cockle, lamb's-quarters, redroot pigweed, Russian thistle. Crop Year: wild millet (green foxtail), lamb's-quarters, wild oats, wild buckwheat5.26–8.9 kg/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
trifluralin 5 %
Mode of action: Microtubule assembly inhibitor (HRAC 3, Dinitroaniline)
CAS 1582-09-8
Formulation
granular
Resistance group
Group 3
First registered
1977-07-01
Registration expiry
2027-12-31