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OcTTain™ XL

Everybody’s upgrading to a new level of broadleaf weed control that’s easy to use.


  • Performance and Value. The standard for kochia (including Group 2 and 9 resistant), plus wild buckwheat and 25 tough broadleaf weeds.
  • Easy to use. Available in 40 ac. cases, 240 ac. drums and 1280 ac. totes.
  • Safe and Flexible. Excellent crop safety in barley, wheat, and durum. Tank mix with Simplicity GoDRI (wheat), Liquid Achieve (barley), and other grass control products.

Grower Experience

In the past 2 years I have used Simplicity and OcTTain XL tank mix on my cereal crops and have had excellent results on the growing spectrum of tough weeds. The fields are clean and I have had excellent crop safety as well.

Cameron G., Kendal, SK

OcTTain XL has given me good control of my weeds in using another grouping.

Darwin W. - Coleville, SK

OcTTain XL is great for kochia. You can seed any crop next year.

Paul H., Lumsden, SK

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Weeds controlled
  • Blue lettuce1,4
  • Annual sunflower
  • Bluebur
  • Burdock
  • Canola (all varieties)
  • Cleavers3
  • Cocklebur
  • Dandelion2,4
  • Docks4
  • Dog mustard4
  • Field bindweed1,4
  • Field horsetail1
  • Field peppergrass4
  • Flixweed
  • Goat’s beard
  • Gumweed4
  • Hairy galinsoga4
  • Hedge bindweed4
  • Hemp nettle
  • Hoary cress1
  • Kochia3
  • Lady’s thumb4
  • Lamb’s quarters
  • Leafy spurge1,4
  • Mustards (except green & grey tansy)
  • Oak-leaved goosefoot4
  • Plantain
  • Prickly lettuce
  • Ragweed
  • Redroot pigweed4
  • Round-leaved mallow
  • Russian thistle4
  • Shepherd’s purse
  • Smartweed4
  • Stinkweed
  • Stork’s bill
  • Sweet clover
  • Tansy mustard4
  • Tartary buckwheat4
  • Vetch
  • Volunteer flax
  • Volunteer sunflower
  • Wild buckwheat
  • Wild radish

Weeds Suppressed

  • Annual Sow Thistle4
  • Canada thistle1,4
  • Chickweed3
  • Perennial sow thistle1
  • Redroot pigweed

1 Top growth control only
2 Spring rosettes
3 Including Group 2 resistant biotypes
4 Requires the addition of 140 g/ha (2 oz/ac) of 2,4-D Ester

Crops & Crop Rotation

  • Barley
  • Durum wheat
  • Spring wheat
  • Winter wheat
Crop rotation

Seed to all major crops the following spring


  • 40 ac/case (20 ac/jug)
  • 1200 ac/pallet (240 ac/drum)
  • 1280 ac/tote
  • Water volume 
    • Ground 20-40 L/ac (5-10 US gal/ac)
    • Aerial 12-20 L/ac (3-5 US gal/ac)

When to Apply

  • Crop stage: 4 to flag leaf
  • Weed stage: 1 to 6 leaf


1 hour

Tank Mixes and Mixing Instructions

Tank mixes
  • Liquid Achieve®
  • Everest®
  • Assert®
  • Simplicity GoDRI
  • Horizon®
  • Puma® Super
  • Traxos®
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 any required water conditioners
  4. Add any tank-mix partners that are a dry formulation
  5. Add the required amount of grassy weed tank-mix partner
  6. Add the required amount of OcTTain XL 
  7. Add any required adjuvant or surfactants
  8. Complete filling the sprayer tank with water
Note: Do not mix undiluted herbicides in the chem-handler

Grazing & Harvest

  • 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.

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.