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Herbicide Recommendations for Direct Seeded Asparagus Before Crop Emergence: Postemergence Grass and Broadleaf Herbicides

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

Pub 75: Guide to Weed Control > Vegetable Crops > Herbicide Recommendations for Direct Seeded Asparagus Before Crop Emergence: Postemergence Grass and Broadleaf Herbicides

Excerpt from 2008 Chapter 13, Publication 75, Guide to Weed Control, Order this publication

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Gramoxone followed by Devrinol
  2. Ignite
  3. Sinbar
  4. Vegetable Herbicide Weed Control Ratings (Table 13 -1) (PDF file - 24kb)
  5. Other Asparagus Weed Control Recommendations:
  6. Related Links
Gramoxone followed by Devrinol
Trade Name Gramoxone

Followed by Devrinol DF
Active Ingredient
paraquat
Followed by napropamide
Formulation
200 g/L
50 DF
Rate per hectare (active)
0.6 to 1.1 kg/ha
2.25 to 4.5 kg/ha
Rate per hectare (product)
3 to 5.5 L/ha
4.5 to 9 kg/ha
Rate per acre (product)
1.2 to 2.2 L/ha
1.8 to 3.6 kg/ac

Precautions

  • Apply in 300-1100 L/ha (120-440 L/ac) water.
  • Spray Gramoxone as a "chemical mower" to kill emerged seedling weeds before the first asparagus seedlings are beginning to emerge.
  • Apply Devrinol as a separate application just before a second flush of weeds emerge.

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Ignite
Trade Name
Active Ingredient glufosinate ammonium
Formulation 150 g/L
Rate per hectare (active) 0.405 to 0.75 kg/ha
Rate per hectare (product) 2.7 to 5 L/ha
Rate per acre (product) 1.08 to 2 L/ac

Precautions

  • Apply in 110-330 L/ha (44-132 L/ac) water.
  • Spray uniformly on emerged weeds prior to emergence of the crop.
  • Weeds that have not emerged will not be controlled.
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Sinbar
Trade Name
Active Ingredient terbacil
Formulation 80 WP
Rate per hectare (active) 0.3 kg/ha
Rate per hectare (product) 0.38 kg/ha
Rate per acre (product) 0.15 kg/ac

Precautions

  • PRE - Apply as a broadcast treatment within 2 days of seeding.
  • Plant asparagus seed to a depth of 4 cm in coarse (sandy) soils, or 2.5 cm deep in fine (clay) soils into newly cultivated fields.

Related Links

 

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