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Herbicide Recommendations for 2nd Year & Established Asparagus:
Postemergence Broadleaf and Grass 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 2nd Year & Established Asparagus: Postemergence Broadleaf and Grass 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. Glyphosate
  2. Ignite
  3. Vegetable Herbicide Weed Control Ratings (Table 13 -1) (PDF file - 24kb)
  4. Other Asparagus Weed Control Recommendations:
  5. Related Links

Glyphosate

Trade Name

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)
0.45 to 0.89 kg/ha
0.45 to 0.89 kg/ha
0.45 to 0.89 kg/ha
0.45 to 0.89 kg/ha
Rate per hectare (product)
1.25 to 2.5 L/ha
0.94 to 1.875 L/ha
0.9 to 1.8 L/ha
0.83 to 1.67 L/ha
Rate per acre (product)
0.5 to 1 L/ac
0.38 to 0.75 L/ac
0.36 to 0.72 L/ac
0.33 to 0.67 L/ac

Precautions

  • For control of fall-seeded rye and emerged weeds.
  • Apply in the spring before spears emerge, but not closer than 7 days to harvest.
  • ONLY one application per year may be used.

 

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

  • To control fall-seeded rye and emerged weeds.
  • Apply in the spring before spears emerge.
  • Apply in 110-330 L/ha (44-132 L/ac) water.
  • Weeds that have not emerged will not be controlled.

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