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Herbicide Recommendations for Wheat (Winter) and Fall Rye (Not underseeded): Preharvest

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 10 May 2008
Pub 75: Guide to Weed Control > Cereal Crops > Wheat (Winter) and Fall Rye (Not underseeded): Preharvest

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

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Aim EC + non-ionic surfactant or Merge
  2. Glyphosate
  3. Cereal Herbicide Rating Table (Table 8-1) (PDF 30 kb)
  4. Other Cereal Crop Weed Control Recommendations
  5. Stages of Cereal Development
  6. Related Links

Aim EC + non-ionic surfactant or Merge

Trade Name
+ non-ionic surfactant

or + Merge

Active Ingredient
carfentrazone-ethyl
+ non-ionic surfactant
or + Merge
Formulation
240 g/L
 
 
Rate per hectare (active)
0.0175 to 0.028kg/ha
0.25% v/v
0.1% v/v
Rate per hectare (product)
73 to 117 mL/ha
2.5 L/1,000 L
10L/1,000 L
Rate per acre (product)
30 to 47 mL/ac
2.5 L/1,000 L
10L/1,000 L

Precautions

  • Apply to actively growing weeds, up to 10cm.
  • Coverage of weed and crop foliage is essential for control.
  • Preharvest interval (PHI) is 3 days

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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)
0.9 kg/ha
0.9 kg/ha
0.9 kg/ha
0.9 kg/ha
Rate per hectare (product)
2.5 L/ha
1.86 L/ha
1.8 L/ha
1.6 L/ha
Rate per acre (product)
1 L/ac
0.75 L/ac
0.72 L/ac
0.67 L/ac
.

Precautions

  • Use on wheat only.
  • Apply in 50-100 L/ha (20-40 L/ac) water when the crop is at 30% grain moisture or less (consult label for visual indicators).
  • Apply at least 7 days prior to harvest and use ground application only.
  • Do NOT apply to seed crops.

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Related Links

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