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Eclipse™ III

Broad-spectrum weed control in Roundup Ready canola, for superior control of wild buckwheat and Canada thistle.


  • Convenient one-pass glyphosate solution, that offers superior control of wild buckwheat and Canada thistle.
  • Two unique modes of action for resistance management.
  • Protects the crop without negatively impacting yield or maturity, unlike elevated rates of glyphosate.
  • Save money. Available in a pre-pack for cost savings.

Grower Experience

We had buckwheat problems that had our canola in the fall of 2010 at 55% dockage one summer of eclipse and fall of 2011 was 2% dockage; Hats off to Eclipse

Luke P. - Star City, SK

Good product for overall weed spectrum control in RR Canola

Don S., Edmonton, AB

Chosen to control volunteer alfalfa in canola being grown on hay fields that have been taken out of production

Harley S. - High River, AB

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Eclipse 3 logo


Weeds controlled
  • Canada thistle1
  • Canola (except Roundup Ready)
  • Chickweed
  • Cleavers
  • Corn spurry
  • Cow cockle
  • Dandelion1 (<15 cm diameter)
  • Green foxtail
  • Hemp-nettle
  • Kochia
  • Lady’s thumb
  • Lamb’s quarters
  • Night-flowering catchfly
  • Perennial sow thistle1
  • Quackgrass1
  • Redroot pigweed
  • Russian thistle
  • Shepherd’s purse
  • Smartweed
  • Stinkweed
  • Volunteer cereals
  • Wild buckwheat
  • Wild mustard
  • Wild oats
  • Wild tomato

Weeds suppressed

  • Dandelion (>15 cm diameter)

1Season long control

Crops & Crop Rotation

  • Roundup Ready canola
Crop Rotation
  • Barley
  • Canola
  • Flax
  • Forage grasses
  • Mustard
  • Oats
  • Summerfallow
  • Rye (not under-seeded with legumes, clover or alfalfa
  • Wheat


  • 40 ac./case
  • 240 ac./drum and case
  • 960 ac./bulk pallet
  • Water volume
    • Ground 40 L/ac. (10 US gal/ac.)
    • Aerial not registered

When to Apply

Crop stage: 2 to 6 leaf


4 hours

Tank Mixes and Mixing Instructions

Tank mixes
None registered

Mixing Instructions
  1. Fill Spray tank with 1/2 to 3/4 of the required amount of water
  2. Continue agitation throughout the mixing and spraying procedure
  3. Add the required amount Eclipse III A
  4. Add the required amount Eclipse III B
  5. Add any required adjuvant or surfactants
  6. Complete filling the sprayer tank with water
Note: Do not mix undiluted herbicides in the chem-handler

Grazing & Harvest

Allow 3 to 5 days after application before grazing treated areas.

Performance Inquiry Guidelines

Dow AgroSciences 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.

  Days After Use
Seed Within 21 days (after crop emergence)
Pre-emergent herbicides Within 21 days (after crop emergence)
Post emergent herbicides Within 21 days after treatment
Pre-seed herbicides Within 21 days after treatment
Pre-harvest or post harvest Within 21 days after seeding – the following spring
Fallow applications Within 21 days after treatment
Fungicides 7 days after treatment
Insecticides 7 days after treatment

* Check Strips: while not essential, a check strip provides a good indication of product performance.