Tandem™

Herbicide

Control problem grass and broadleaf weeds in wheat – with the tougher, easier, total-acre solution.

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Benefits

Tandem controls problem grass and broadleaf weeds in wheat – with the tougher, easier, total-acre solution.

Great Control

Tougher - Controlling wild oats, chickweed, cleavers, hemp-nettle, Japanese brome, kochia, wild buckwheat and much more.

Easy to use

Control all problem weeds using one solution.

Flexible

Wide window of application, excellent crop safety, flexible rate and rotational freedom.

Multi-mode of action

Two unique modes of action provide overlapping activity on hard-to-kill weeds for superior resistance management.


Crops

Below lists the crops that Tandem herbicide can be used on.

Wheat

Wheat, Durum (Triticum durum)

Wheat, Spring Seeded (Triticum spp.)

Winter Wheat


Registrations

Now registered in the following provinces:

  • Registered
  • Unregistered

Technical Specifications

  • Approved Use

    • Refer to the Tandem label for complete use instructions.
    • Refer to the Controlled Weeds list for the full list of weeds.

    Weeds controlled
    •  Grass
    •  Wild oats(1)
    •  Broadleaf
    •  Chickweed(2)
    •  Cleavers(2)
    •  Kochia(2)
    •  Volunteer canola(6)

    Weeds suppressed
    • Grass
    •  Downy brome(4)
    •  Green foxtail(3)
    •  Broadleaf
    •  Dandelion(4)
    (1) Including Group 1 resistant biotypes
    (2) Including Group 2 resistant biotypes
    (3) Dow AgroSciences research trials indicate that application to small stage, actively growing plants provides an increased level of control
    (4) Spring rosettes
    (5) Top growth only
    (6) All varieties

    Additional broadleaf weeds controlled when tank mixed with 2,4-D (5 oz/ac)
    •  Bluebur
    •  Burdock
    •  Cocklebur
    •  Goat’s-beard
    •  Lamb’s-quarters
    •  Plantain
    •  Prickly lettuce
    •  Ragweed
    •  Sweet clover
    •  Volunteer sunflower
    •  Wild buckwheat
    •  Wild mustard
    •  Wild radish
    Additional broadleaf weeds controlled when tank mixed with MCPA (5 oz/ac)
    •  Burdock
    •  Cocklebur
    •  Lamb’s-quarters
    •  Prickly lettuce
    •  Ragweed
    •  Vetch
    •  Volunteer sunflower
    •  Wild buckwheat
    •  Wild mustard
    •  Wild radish
     
    Additional broadleaf weeds controlled when tank mixed with Curtail M (10 ac/jug)
    •  Annual sow thistle
    •  Burdock
    •  Canada thistle
    •  Cocklebur
    •  Common groundsel
    •  Dandelion(4)
    •  Field horsetail(5)
    •  Lamb’s-quarters
    •  Perennial sow thistle
    •  Plantain(5)
    •  Prickly lettuce
    •  Ragweed
    •  Russian pigweed
    •  Scentless chamomile
    •  Sunflower (annual and volunteer)
    •  Tartary buckwheat
    •  Vetch
    •  Volunteer sunflower
    •  Wild buckwheat
    •  Wild mustard
    •  Wild radish

  • Rates
    • 40 ac/case to 53 ac/case
    • Water volume
    - Ground 40 L/ac (10 US gal/ac)
    - Aerial 40 L/ac (10 US gal/ac)

    53 ac/case rate available for use in low to moderate wild oat levels that are typical in the brown soil zones.
  • Application Timing
    • Crop stage: 3 leaf - prior to flag leaf emergence
    • Weed stage: 1 - 6 leaf stage for wild oats and 1 - 5 leaf stage for broadleaf weeds

    Rainfast: 2 Hours
  • Crop Rotation
    Seed to all major crops the year following application – including chickpeas, lentils, peas and soybeans.
  • Mixing Instructions
    1) Fill the spray tank with ½ to ¾ of the required amount of water.
    2) Continue agitation throughout the mixing and spraying procedure.
    3) Add required water conditioner.
    4) Add any tank-mix partners that are a dry formulation.
    5) Add the required amount of Tandem A.
    6) Add the required amount of Tandem B.
    7) Add the required amount of broadleaf tank-mix partner.
    8) Add any required adjuvant or surfactants.
    9) Complete filling the sprayer tank with water.
    Note: Do not mix undiluted herbicides in the chem-handler.
  • Herbicide Group

    Group 2

  • Grazing

    • Livestock may graze treated areas 7 days after application.

    • Allow 7 days after application before grazing lactating animals.

    • Withdraw meat animals from treated areas at least 3 days before slaughter.

    • Allow 30 days after application before cutting hay or harvesting forage.

    • Mature crops may be harvested 60 days after application.

  • Tank Mixes

    • 2,4-D™

    • Curtail™ M

    • MCPA™

  • Additional Information

    Performance Inquiry Guidelines.

    Corteva encourages contact within the timelines listed for proper field assessments to resolve and rectify the call.

    After these deadlines, it is difficult to determine the circumstances leading to non-performance.

    Seed - Days After Use - Within 21 days (after crop emergence).

    Pre-emergent herbicides - Days After Use - Within 21 days (after crop emergence).

    Post emergent herbicides - Days After Use - Within 21 days after treatment.

    Pre-seed herbicides - Days After Use - Within 21 days after treatment.

    Pre-harvest or post harvest - Days After Use - Within 21 days after seeding – the following spring.

    Fallow applications - Days After Use - Within 21 days after treatment.

    Fungicides - Days After Use - 7 days after treatment.

    Insecticides - Days After Use - 7 days after treatment.


Resources

Labels (PDF)
Tandem Herbicide Label
Herbicide Tandem étiquette principale

Safety Data Sheet (PDF)
Tandem Herbicide SDS
Herbicide Tandem fiche signalétique

Additional Resource Material (PDF)
2019 West Field Guide

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