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Pardner Herbicide Bayer CropScience



Troublesome volunteer canola has been popping up everywhere. In many instances these volunteers can be tolerant to the herbicide system you are using, provide a host for dangerous diseases and may not feature the same agronomic traits as your new canola crop. But moving forward this doesn’t need to be a problem.

Product Summary


Product Type

  • Herbicide




  • Broadleaf
Weeds Surpressed

Weeds Controlled (Top 6)

  • Volunteer Canola
  • Kochia
  • Lamb's-quarters
Groups and Active Ingredients

Groups and Active Ingredients

  • Bromoxynil Group 6
Formulation Type

Formulation Type

  • Liquid-Emulsifiable Concentrate


  • 8 L Jug (20 ac)
  • 128 L Bulk shuttle (320 ac)

Key Product Points

  • Registered as a pre-seed, tank-mix partner with glyphosate for control of resistant volunteer canola.
  • Protects from 28 broadleaf weeds, even if they have resistance to other herbicide groups.

Pardner® herbicide is now registered as a pre-seed, tank-mix partner with RoundUp WeatherMAX® herbicide and other similar glyphosate technologies for control of all volunteer canola, even if they’re tolerant to other herbicide groups. Plus it protects from 28 broadleaf weeds, even if they have resistance to other herbicide groups, like Group 9- and 2-resistant kochia.

Canola Growers: Get Superior Performance on Volunteer Canola

2014 trial in Deloraine, MB
Standard rate, water volume at 5 gallons
5 days after application

If you plan to return to canola this season, taking action with a quality pre-seed burndown that addresses volunteer canola is a must. A pre-seed tank mix application of Pardner and RoundUp WeatherMAX herbicide or other similar glyphosate will help to control all volunteer canola and protect the ongoing success and sustainability of your operation.

Pardner herbicide: benefits and guidelines

  • NEWLY registered for pre-seed application when tank mixed with RoundUp WeatherMAX herbicide and other similar glyphosate technologies
  • For the best results, it’s highly recommended to use 10 gallons of water per acre. Pardner is a contact herbicide and coverage is essential
  • A must for Genuity® RoundUp Ready®, and Clearfield® canola growers to control all volunteer canola (1-4 leaf stage)
  • Canola's lack of competitiveness during emergence makes a clean field extremely important
  • Ensures your canola crop gets off to a good start and maximizes yield potential
  • Increased control of troublesome broadleaf weeds like wild buckwheat and Group 9-resistant kochia

For Seedling & Established Alfalfa & Cereal Crops

Pardner is also registered to provide powerful control of major broadleaf weeds in cereals, alfalfa, corn and a wide range of other crops and forage grasses. It controls 19 tough broadleaf weeds, many of which have Group 2-resistant biotypes, has no re-cropping restrictions and provides excellent crop safety.

Active Ingredients

Bromoxynil - Group 6


Pre-Seed Canola
Canary Seed
Fall Rye
Field Corn
Grain and forage sorghum
Seedling Alfalfa
Seedling Grasses
Sweet Corn

Weeds Controlled

Common buckwheat
Common groundsel
Common ragweed
Cow cockle
Green smartweed
Hairy nightshade
Pale smartweed
Redroot pigweed
Russian thistle
Tartary buckwheat
Volunteer canola*
Wild buckwheat
Wild mustard

*Volunteer canola controlled only in pre-seed canola glyphosate tank mix applications

Province of Registration

British Columbia
New Brunswick
Northwest Territories
Nova Scotia
Prince Edward Island

Registered Tank Mixes

  • 2,4-D
  • Accent®
  • Achieve®
  • Atrazine
  • Avenge®
  • Banvel®
  • Horizon®
  • MCPA
  • MCPA + Avenge
  • MCPA K
  • RoundUp® WeatherMAX® or potassium or isopropylamine glyphosate


For more information on registered tank-mix partners refer to the product label.

jug icon

Get the Max from your Tank Mix

Our tank mix tool can help you find the best tank mix partner for the Bayer herbicide you’re using.
Tank Mix Tool

Application Tips

Pre Seed Canola Crop Application Tips

  • Pre-seed only
  • Under adverse growing conditions or extreme weed pressure, the higher labelled rate and higher water volumes are recommended to improve control
  • Allow 1 day after application before tillage/seeding
  • Water: 5-10 gallons per acre


Alfalfa and Cereal Crop Application Tips

  • Pardner® herbicide has a wide window of application – up to the 8 leaf stage for wild buckwheat
  • No re-cropping restrictions
  • Excellent crop safety
  • Excellent tool to manage Group 2-resistant weeds
  • Registered for use on various crops and forage grasses (consult label for application timing and rates)
  • Spray coverage on weeds is very important – travel at proper speeds (5 to 10 km/hr.) and use appropriate water volumes – minimum 10 US gal/ac.
  • Use proper pressure and nozzles: 40 psi (275 kPa)
  • Flat fan nozzles at 45° forward angle will provide best coverage
  • Pre-harvest interval: 30 days
  • Grazing interval: 30 days


Pre-Seed Canola Crop 400mL - 500 mL/ac.
Alfalfa and Cereal Crops 0.4 to 0.48 L/ac. (20 to 16.5 ac./jug)


Timing - Pre-seed
Canola Can be treated in the 1 to 4 leaf stage for volunteer canola


Timing - In Crop
Corn Can be treated from the 4 leaf stage onward
Wheat (spring, durum, winter) Can be treated from the 2 leaf until early flag leaf stage when applied alone
Barley and oats Can be treated from the 2 leaf until early flag leaf stage when applied alone
Alfalfa 2 to 6 trifoliate leaf stage
For specific crop timing not appearing here please consult the Pardner label


Pre-Seed Canola Crops 8 L jug = 20 acres
128 L drum = 320 ac.
Alfalfa and Cereal Crops 8 L jug = 20 acres (one 2 x 8 L case = 40 acres at 20 ac./jug)


Water Volume
Pre-seed Canola Crops 5-10 Gallons per acre
Alfalfa and Cereal Crops Ground – minimum of 10 US gal./ac. (38 L/ac.)


One hour after application


Residue and Grazing
Do not graze the treated crop or cut for forage hay within 30 days of application


No re-cropping restrictions

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BayerValue Program
As one of the only companies who can offer a complete lineup of crop protection products and program savings, Bayer allows you to harness the full potential of your crop. You can save up to 10% on Pardner® through the Purchase Bonus. Learn more