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Registered Crop Input Products / BOLSTER II® DESICCANT Solution

BOLSTER II® DESICCANT Solution

PCP #33743 · Interprovincial Cooperative Limited · Herbicide

Group 22

Group 22 herbicide solution containing diquat ion for desiccation of field crops, vine killing in potatoes, and weed control in various agricultural and non-crop settings.

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Registered uses (51)

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 grass1.86 L/acre–
BeanDesiccation - full canopy, few weeds0.506–0.85 L/acre–
BeanDesiccation - heavy crop stand and/or weedy crop and/or heavy vine regrowth0.688–0.931 L/acre–
BeanLarge weeds (greater than 5 cm high)1.86 L/acre–
BeanSmall weeds (3-5 cm high)0.931 L/acre–
BeetLarge weeds (greater than 5 cm high)1.86 L/acre–
BeetSmall weeds (3-5 cm high)0.931 L/acre–
CanolaDesiccation - full canopy, few weeds0.506–0.688 L/acre–
CanolaDesiccation - very dense canopy and/or weedy crop0.688–0.931 L/acre–
CarrotLarge weeds (greater than 5 cm high)1.86 L/acre–
CarrotSmall weeds (3-5 cm high)0.931 L/acre–
ChickpeaDesiccation - full canopy, few weeds0.506–0.688 L/acre–
ChickpeaDesiccation - heavy crop stand and/or weedy crop and/or heavy vine regrowth0.688 L/acre–
Cole CropsLarge weeds (greater than 5 cm high)1.86 L/acre–
Cole CropsSmall weeds (3-5 cm high)0.931 L/acre–
CornLarge weeds (greater than 5 cm high)1.86 L/acre–
CornSmall weeds (3-5 cm high)0.931 L/acre–
CucumberLarge weeds (greater than 5 cm high)1.86 L/acre–
CucumberSmall weeds (3-5 cm high)0.931 L/acre–
Faba BeanDesiccation0.506–0.931 L/acre10 d
FlaxDesiccation - full canopy, few weeds0.506–0.688 L/acre–
FlaxDesiccation - very dense canopy and/or weedy crop0.688–0.931 L/acre–
Legume Seed CropsDesiccation - full canopy and/or weedy crop0.688–1.09 L/acre7 d
Legume Seed CropsDesiccation - very dense canopy and/or weedy crop and/or secondary regrowth1.09 L/acre7 d
LentilDesiccation - full canopy, few weeds0.506–0.688 L/acre–
LentilDesiccation - very dense canopy and/or weedy crop0.688–0.931 L/acre–
LupinDesiccation - full canopy, few weeds0.931 L/acre7 d
MustardDesiccation - full canopy, few weeds0.506–0.688 L/acre–
MustardDesiccation - very dense canopy and/or weedy crop0.688–0.931 L/acre–
Non-Crop LandWeeds0.931–1.86 L/acre–
OatsCorn spurry less than 8 cm high0.364 L/acre–
OatsCorn spurry more than 8 cm high0.506 L/acre–
OnionLarge weeds (greater than 5 cm high)1.86 L/acre–
OnionSmall weeds (3-5 cm high)0.931 L/acre–
PeaDesiccation - full canopy, few weeds0.506–0.688 L/acre–
PeaDesiccation - very dense canopy and/or weedy crop0.688–0.931 L/acre–
PeaLarge weeds (greater than 5 cm high)1.86 L/acre–
PeaSmall weeds (3-5 cm high)0.931 L/acre–
PotatoLarge weeds (greater than 5 cm high)1.86 L/acre–
PotatoSmall weeds (3-5 cm high)0.931 L/acre–
PotatoVine killing - top growth fully mature, little or no weeds0.506 L/acre1 d
PotatoVine killing - top growth heavy or weedy field1.42 L/acre1 d
PotatoVine killing - top growth light, little weed growth or top growth heavy and in early stage of maturity0.688–0.931 L/acre1 d
SoybeanDesiccation - full canopy, few weeds0.506–0.85 L/acre–
SoybeanDesiccation - heavy crop stand and/or weedy crop and/or heavy vine regrowth0.688–0.931 L/acre–
SoybeanLarge weeds (greater than 5 cm high)1.86 L/acre–
SoybeanSmall weeds (3-5 cm high)0.931 L/acre–
SunflowerDesiccation - full canopy, few weeds0.506–0.688 L/acre–
SunflowerDesiccation - very dense canopy and/or weedy crop0.688–0.931 L/acre–
TurnipLarge weeds (greater than 5 cm high)1.86 L/acre–
TurnipSmall weeds (3-5 cm high)0.931 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
diquat 240 g/L
Mode of action: PSI electron diversion (HRAC 22, Bipyridyl)
CAS 2764-72-9
Formulation
solution
Resistance group
Group 22
First registered
2020-04-14
Registration expiry
2026-12-31
Paradigm Certified Premium Generic

Available now through your independent broker.

Same active ingredients. Same registration class. Priced to improve your margin per acre.

  • Diquat 240 g/L SN
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