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Herbicide Recommendations for Wheat (Winter) and Fall Rye (Not underseeded): Soil Applied Grass Herbicides

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): Soil Applied Grass Herbicides

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

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Bonanza 400, Treflan or Rival DF
  2. Cereal Herbicide Rating Table (Table 8-1) (PDF 30 kb)
  3. Other Cereal Crop Weed Control Recommendations
  4. Stages of Cereal Development
  5. Related Links
Bonanza 400, Treflan or Rival DF
Trade Name Bonanza 400

or Treflan

or Rival
Active Ingredient
trifluralin
or trifluralin
or trifluralin
Formulation
400 g/L
480 g/L
60 DF
Rate per hectare (active)
0.383 to 0.546 kg/ha
0.383 to 0.546 kg/ha
0.383 to 0.546 kg/ha
Rate per hectare (product)
0.96 to 1.37 L/ha
0.8 to 1.14 L/ha
0.64 to 0.91 kg/ha
Rate per acre (product)
0.38 to 0.55 L/ac
0.32 to 0.46 L/ac
0.26 to 0.36 kg/ac

Precautions

  • For loose silky bentgrass control in the fall.
  • Apply as soon as possible after planting.
  • Incorporate shallowly into the soil surface with drag harrows.
  • Seed the crop approx. 5 cm deep to separate the germinating seed from the chemical.

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