Name: PrePass™ FLEX
Brand: Corteva Agriscience

Benefits

Greater flexibility

Mix PrePass FLEX with VP480™, or any form of glyphosate, at the rate of your choice.

Extended weed control

SoilActive technology provides extended control of broadleaf weeds for 21 days after application.

Advanced formulation

PrePass FLEX herbicide’s dry formulation disperses quickly and completely for easy mixing. As well, no extra surfactants or additives are required when mixing with glyphosate.

Time management

With PrePass FLEX, you can manage your time easily by spraying in the spring or fall. Spray as soon as you finish harvest for a clean, efficient start next spring.

Crops

Use PrePass FLEX prior to the following cereal crops for excellent extended weed control so you can seed into clean fields.

Barley

Barley (Hordeum vulgare ssp. vulgare)

Oat

Oat (Avena spp.)

Wheat

Wheat, Durum (Triticum durum)

Wheat, Spring Seeded (Triticum aestivum)

Winter Wheat

Registrations

Registered for use in the prairie provinces and the Peace River region of British Columbia.

Registered
Unregistered

Technical Specifications

Herbicide Group

Group 2
Rates
Water volume
- Ground: 20-40 L/ac (5-10 US gal/ac)
- 640 ac/case (80 ac/jug)
Application Timing
When to apply

Spring
- Prior to seeding
- No later than 48 hours after seeding
Chemfallow
- When weeds are actively growing, in 1- to 4-leaf stage
Fall
- From after harvest to freeze-up
Rainfast
- 30 minutes
- When tank mixing – VP480, Vantage Plus™ MAX II and Roundup WeatherMAX all are rainfast in 30 minutes. If needed consult other glyphosate rainfast labelling.
Formulations

Advanced dry formulation that disperses quickly and completely for easy mixing.
Packaging

640-acre case consists of 8 x 80-acre (8 x 0.648kg case) jugs.
Crop Rotation
- PrePass FLEX applied prior to August 1 can be seeded to winter wheat that fall or spring wheat, durum, barley, oats, canola and peas the following spring.
- PrePass FLEX applied after August 1 can be seeded to winter wheat that fall or spring wheat, durum, barley and oats the following spring.
Mixing Instructions
- Fill sprayer tank ½ full of water.
- Start sprayer tank agitation.
- Add the required amount of PrePass FLEX herbicide, continue agitation.
- Add the required amount of glyphosate, continue agitation.
- Fill the sprayer tank with sufficient water to spray 20-40 L/ac (5-10 US gal/ac).
Grazing
- Livestock may be grazed on treated crops seven days following application.
- PHI: Do not harvest the treated crop within 60 days after application.
Tank Mixes
- VP480
- Compatible with all forms of glyphosate
- When mixed with glyphosate there is no need for extra surfactants or additives.