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Prominex™ herbicide delivers exceptional control of annual and perennial broadleaf weeds with the convenience of an all-in-one formulation.


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Unmatched Weed Control

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Prominex provides control of both annual and perennial broadleaf weeds.

Just GO

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Thanks to Arylex active, you can Just GO on small or large broadleaf weeds, in early or late crop staging, and even in cool or dry conditions.

Tank Mix Flexibility

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Choose whether to tank mix with a Group 1 grass herbicide in your wheat or barley and a Group 2 grass herbicide in our wheat.

Convenient Formulation

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All-in-one ME formulation allows for ultimate convenience and easy loading.

Expanded Group 4 Mode of Action Control

Green leaves covered in dew

Tank mix with MCPA Ester 600 or 2, 4-D Ester for expanded Group 4 broadleaf weed control.


Prominex can be used on the following crops for exceptional weed control.  


Barley (Hordeum vulgare ssp. vulgare)


Wheat, Durum (Triticum durum)

Wheat, Spring Seeded (Triticum aestivum)

Wheat, Winter (Triticum aestivum)

Weeds Controlled

Combine Prominex with MCPA Ester 600 to control the following weeds.
American dragonhead Annual sow thistle Field horsetail
Ball mustard
Burdock Perennial sow-thistle
Canada fleabane** Canada thistle Smartweed
Chickweed** Cleavers**  
Cocklebur Common ragweed**
(up to 6-leaf stage)
False ragweed Flixweed* Barnyard grass
Giant ragweed** Hemp-nettle*  
Henbit  Kochia**  
Lamb's-quarters Nightshade species
(eastern black, hairy and cutleaf)
Plantain  Prickly lettuce  
Redroot pigweed Round-leaved mallow  
Shepherd’s purse* Stinkweed  
Stork’s-bill Velvetleaf   
Vetch Volunteer alfalfa   
Volunteer canola
(all herbicide tolerant varieties)
Volunteer flax  
Wild buckwheat Wild mustard  
Wild radish

*Including Group 2 resistant biotypes
**Including Groups 2 & 9 resistant biotypes
For a complete weed list and specific weed staging, please refer to the Prominex RA label.


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

  • Registered
  • Unregistered

Technical Specifications

  • Herbicide Group
    • Group 4
  • Rates
    • 414 ml/ac
    Acres treated:
    • 40 ac/case (20 ac/jug)
  • Application Timing

    When to apply

    • 3-leaf to just prior to flag leaf emergence



    • 4 hours
  • Packaging
    • Case: 2 x 8.3 L jugs
  • Crop Rotation
    • Barley
    • Canola
    • Corn
    • Flax
    • Forage grasses
    • Oats
    • Mustard
    • Peas*
    • Fall rye (not underseeded with legumes, clover or alfalfa)
    • Soybeans
    • Summerfallow
    • Wheat


    22 months:

    • Lentils
    • Chickpeas

    *For pea or soybean rotation, rainfall from June 1 to  August 31 in the year of application must be greater than 140 mm (5.5 inches) and annual rainfall must be greater than 175 mm (6.9 inches).

  • Tank Mixes
    • MCPA Ester 600
    • 2, 4-D Ester 700
    • Simplicity™
    • Simplicity™ GoDRI
    • Everest®
    • Axial®
    • Axial Extreme + MCPA Ester 600
    • Liquid Achieve™ SC
    • Trondus®
    • Horizon®
    • Puma® Advance
    • Traxos®

Other Products

Discover our other Arylex active herbicides for unparalleled broadleaf weed control.

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Labels (PDF)

Prominex Herbicide Label
Herbicide Prominex étiquiette principale

Safety Data Sheets (SDS)

Prominex Herbicide SDS
Herbicide Prominex fiche signalétique

Other (PDF)

Prominex Tech Sheet
West Field Guide

Before use and for complete product information, please read and follow label directions.