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Herbicide Recommendations for Canola (Winter and Spring Planted): Postemergence Grass and Broadleaf Herbicides (Herbicides tolerant varieties)

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 20 May 2008

Pub 75: Guide to Weed Control > Other Field Crops > Herbicide Recommendations for Canola (Spring Planted): Postemergence Grass and Broadleaf Herbicides (Herbicides tolerant varieties)

Excerpt from 2008 Publication 75, Guide to Weed Control, Order this publication

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Liberty 200 SN
  2. Glyphosate
  3. Pursuit + non-ionic surfactant + liquid fertilizer
  4. Glyphosate + Lontrel 360
  5. Canola Herbicide Ratings Tables (Table 12-1) (PDF 93 kb)
  6. Other Canola Weed Control Recommendations
  7. Related Links
Liberty 200 SN
Trade Name
Active Ingredient glufosinate ammonium
Formulation 200 g/L
Rate per hectare (active) 0.30 to 0.50 kg/ha
Rate per hectare (product) 1.5 to 2.5 L/ha
Rate per acre (product) 0.6 to 1 L/ac

Precautions

  • Liberty 200SN can be applied from the cotyledon to the early bolting stage of canola.
  • For use only with canola seed designated as "Liberty Link canola".
  • Ammonium sulphate can be applied at 6 L/ha (2.4 L/ac)(liquid) or 3.3 kg/ha (1.3 kg/ac)(dry) for improved control of specific weeds.
  • Do NOT add oil or any other surfactants.

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Glyphosate
Trade Name glyphosate

or glyphosate

or glyphosate

or glyphosate

Active Ingredient
glyphosate
or glyphosate
or glyphosate
or glyphosate
Formulation
360 g/L
480 g/L
500 g/L
540 g/L
Rate per hectare (active)
0.297 to 0.45 kg/ha
0.297 to 0.45 kg/ha
0.297 to 0.45 kg/ha
0.297 to 0.45 kg/ha
Rate per hectare (product)
0.825 to 1.25 L/ha
0.62 to 0.94 L/ha
0.6 to 0.9 L/ha
0.55 to 0.83 L/ha
Rate per acre (product)
0.33 to 0.5 L/ac
0.25 to 0.38 L/ac
0.24 to 0.36 L/ac
0.22 to 0.33 L/ac

Precautions

  • For use only with pedigreed (certified) canola seed designated as "Roundup Ready Canola".
  • Apply up to the 6-leaf stage of the canola. A second application may be made for later flushes emerging after the initial application and for improved results on perennial weeds.
  • The higher rate should be used when weeds are larger, when weed pressure is high and for perennial weeds.

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Pursuit + non-ionic surfactant + liquid fertilizer
Trade Name Pursuit + non-ionic surfactant + 10-34-0, 28-0-0, or 32-0-0
Active Ingredient
imazethapyr
+ non-ionic surfactant
+ liquid fertilzer
Formulation
240 g/L
 
 
Rate per hectare (active)
0.075 kg/ha
0.25% v/v
2 L/ha
Rate per hectare (product)
0.312 L/ha
2.5 L/1000 L
2 L/ha
Rate per acre (product)
0.125 L/ac
2.5 L/1000 L
0.8 L/ac

Precautions

  • For use on imazethapyr tolerant canola only.
  • Apply early postemergence when the crop has at least one fully expanded leaf and before the weeds reach the 2 true leaf stage.
  • PURSUIT will provide residual weed control from soil activity.
  • Some rotational cropping restrictions apply.

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Glyphosate + Lontrel
Trade Name glyphosate

or glyphosate

or glyphosate

or glyphosate

+ Lontrel 360
Active Ingredient
glyphosate
or glyphosate
or glyphosate
or glyphosate
+ clopyralid
Formulation
360 g/L
480 g/L
500 g/L
540 g/L
360 g/L
Rate per hectare (active)
0.45 kg/ha
0.45 kg/ha
0.45 kg/ha
0.45 kg/ha
0.10 kg/ha
Rate per hectare (product)
1.25 L/ha
0.94 L/ha
0.9 L/ha
0.83 L/ha
0.28 L/ha
Rate per acre (product)
0.5 L/ac
0.38 L/ac
0.36 L/ac
0.33 L/ac
0.11 L/ac

Precautions

  • Provides season long top growth control of Canada Thistle and control of wild buckwheta.
  • For use only with pedigreed (certified) canola seed designated as "Roundup Ready Canola".
  • Lontrel is recommended for use ONLY on the following cultivars: Cyclone, Ebony, Jewel, 48A65 and Hyola 401.
  • Apply when canola is in the 2-6 leaf stage
  • Apply in 100 L/ha (40 L/ac) of water
  • For more information on weed control and rates, refer to the Touchdown iQ and Lontrel product labels

Related Links

 

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