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Back to Registered Crop Input Products
Registered Crop Input Products / Weed-Master Glyphosate 41 Herbicide

Weed-Master Glyphosate 41 Herbicide

PCP #29022 · Teragro Inc. · Herbicide

Group 9

Group 9 glyphosate herbicide for control of annual and perennial grasses and broadleaf weeds in cropland (prior to planting, post-harvest, spot treatment, pre-harvest), glyphosate-tolerant crops, tree/vine/berry crops, and non-cropland areas. Contains 356 g a.e./L glyphosate as isopropylamine salt.

Open full PDF →

Registered uses (43)

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

CropTargetRatePHI
All cropsEmerged weeds0.304–1.42 L/acre–
AppleWeeds0.911–4.86 L/acre30 d
ApricotWeeds0.911–4.86 L/acre30 d
BlueberryPerennial weeds0.405–0.809 L/acre–
BlueberryQuackgrass1.13–2.27 L/acre30 d
BlueberryWeeds0.405–0.809 L/acre–
Canada ThistleCanada Thistle1.01 L/acre–
CanolaWeeds0.334–0.506 L/acre–
CanolaWeeds1.01 L/acre–
CerealsPerennial weeds0.405–0.809 L/acre–
CerealsWeeds1.01 L/acre–
CherryWeeds0.911–4.86 L/acre30 d
ChestnutWeeds0.911–4.86 L/acre–
CranberryWeeds–30 d
Dry beansWeeds1.01 L/acre–
FilbertWeeds0.911–1.42 L/acre14 d
FlaxWeeds1.01 L/acre–
Forage and PasturePerennial weeds0.405–0.809 L/acre–
Forage and PastureWeeds1.01–2.02 L/acre–
GrapesWeeds0.911–4.86 L/acre14 d
HazelnutWeeds0.911–1.42 L/acre14 d
Japanese heartnutWeeds0.911–4.86 L/acre–
LentilsWeeds1.01 L/acre–
OatsWeeds1.01 L/acre–
PeachWeeds0.911–4.86 L/acre30 d
PearWeeds0.911–4.86 L/acre30 d
PeasWeeds1.01 L/acre–
Perennial Weed ControlAlfalfa1.5–2.02 L/acre–
Perennial Weed ControlField Bindweed2.83–4.86 L/acre–
Perennial WeedsCanada Thistle1.92–2.83 L/acre–
Perennial WeedsCommon Milkweed1.01–4.86 L/acre–
Perennial WeedsDandelion1.01 L/acre–
PlumWeeds0.911–4.86 L/acre30 d
QuackgrassQuackgrass1.01 L/acre–
QuackgrassQuackgrass1.01–2.83 L/acre–
SoybeanPerennial weeds0.405–0.809 L/acre–
SoybeanWeeds1.01 L/acre–
SoybeanWeeds1.01 L/acre–
StrawberryWeeds0.405–0.809 L/acre30 d
Sugar beetDodder––
ToadflaxToadflax1.01 L/acre–
WalnutWeeds0.911–4.86 L/acre–
WheatWeeds1.01 L/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
glyphosate
Mode of action: EPSP synthase inhibitor (HRAC 9, Glycine)
CAS 1071-83-6
Formulation
liquid
Resistance group
Group 9
First registered
2008-09-22
Registration expiry
2028-12-31