Classic

  • Herbicide

group

  • 2

With residual activity and control of tough perennial broadleaf weeds, Classic™ herbicide is a popular choice for growers of identity-preserved (IP), conventional and glyphosate-tolerant (GT) soybeans.


Benefits

Hard-to-control weeds

Soybeans in rows

Classic helps you manage some of the toughest weeds including nutsedge, sow-thistle and dandelions.

Convenience

Soybeans in rows

Low use rate and easy to tank-mix with PRE and POST herbicides.

Application flexibility

Soybeans in rows

Classic has a wide window of application from 14 days pre-plant up to early post-emergence.


Crops

Soybean

Soybean (Glycine max)

Weeds Controlled

Weeds controlled at 14.4 g/ac + Non-Ionic surfactant at 0.2% v/v

*Provides Dandelion top growth control only (4 to 6 weeks)

 

Additional weeds controlled when tank-mixed with glyphosate at 900 g ae/ha

  • Annual sow-thistle
  • Prickly lettuce
  • Bean, Adzuki (Vigna angularis)
  • Dandelion
  • Nutsedge, Yellow (Cyperus esculentus)
  • Pigweed, Redroot (Amaranthus retroflexus)
  • Ragweed, Common
  • Velvetleaf
  • Wild Carrot

Refer to the Product Label for complete product efficacy information.

Find labels for this product

Registrations

Classic herbicide is registered for use in Eastern Canada.

  • Registered
  • Unregistered

Technical Specifications

  • Herbicide Group

    Group 2

  • Rates

    14.4 g/acre

    Acres treated:

    • 20 ac/288 g bottle
    • 40 ac/576 g bottle

    Water volume: 15-20 US gal/ac

  • Application Timing

    Soil applied: Apply 14 days pre-plant up to pre-emergence

    Post-emergence: Apply from soybean emergence up to just before the initiation of flowering. For best performance apply by the 3rd trifoliate stage

    Rainfast: 2 hours

  • Packaging
    • 288 g bottle
    • 576 g bottle
  • Crop Rotation

    The recropping intervals are dependent on the pH of the soil, as well as the sensitivity of the specific rotational crop. Consult product labels for rotation intervals across a full range of soil pH levels.

    3-4 months: winter wheat

    10 months: field corn, white beans, soybeans and alfalfa (soil pH value <7.4 only)

    11 months: cabbage, garden peas and sweet corn (Southern Ontario only, pH value <7.0 only)

    12 months: tomatoes

    Rotational crop restrictions: Warning: sweet corn varieties may vary in their sensitivity to Classic residues.

  • Grazing

    The PHI is 60 days

  • Tank Mixes

    Registered:

    • Assure II
    • Glyphosate
    • Metribuzin 75 DF
    • Imazethapyr

    Supported:

    • Enlist Duo™3
    • Enlist™ 13

    3Only for use in Enlist E3™ soybeans

  • Additional Information

    Add a registered NIS such as Agral 90® or Ag-Surf® at 2 L per 1,000 L of spray solution (0.2% v/v).

    For more consistent control of velvetleaf, add 28% UAN at 0.8 L/ac

    For tank-mixes with glyphosate, a non-ionic surfactant is not required.

    Apply Classic only once per year.


Other Products

Classic is a key member of a diverse family of herbicides.

Resources

French:

 

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

East Field Guide
View a comprehensive listing of information on Corteva Agriscience products available in Eastern Canada.