Herbicide Recommendations for Cabbage, Cauliflower, Broccoli, Brussels Sprouts: Postemergence Broadleaf Herbicides
Excerpt from 2010-2011 Chapter 13, Publication 75, Guide to Weed Control, Order this publication
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Table
of Contents| Trade Name |
or + Merge
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|---|---|---|---|
| Active Ingredient |
carfentrazone-ethyl
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+ non-ionic surfactant
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or + surfactant/solvent
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| Formulation |
240 g/L
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| Rate per hectare (active) |
8.8 - 28.1 g/ha
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0.25 % v/v
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0.1 % v/v
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| Rate per hectare (product) |
36.5 - 117 mL/ha
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2.5 L/1,000 L
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1 L/1,000 L
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| Rate per acre (product) |
14.8 - 47 mL/ac
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2.5 L/1,000L
|
1 L/1,000 L
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Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
- Apply POST with a HOODED SPRAYER between the rows.
- Apply to actively growing weeds up to 10 cm tall.
- Apply in a minimum of 100 L/ha (40 L/ac) water.
- Do NOT apply closer than 1 day to harvest.
- Apply ONLY once per growing season.
| Trade Name | |
|---|---|
| Active Ingredient | clopyralid |
| Formulation | 360 g/L |
| Rate per hectare (active) | 0.20 kg/ha |
| Rate per hectare (product) | 0.56 L/ha |
| Rate per acre (product) | 0.2 L/ac |
Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
- Apply POST TRANSPLANT as a ground application ONLY, in 300 L water/ha.
- Use ONLY one application per year, no closer than 30 days to harvest.
- Use ONLY on transplanted cabbage, cauliflower and
broccol.
Related Links
- Weeds in Ontario
- Vegetables in Ontario
- Integrated Pest Management (IPM)
- Pesticide Application and Safety
- Pesticide Companies and Agents
- OMAFRA Sprayer Calibration Calculator
- Search the PMRA website
- OMAFRA Publication 505: Ontario Weeds
- OMAFRA Publication
75: Guide To Weed Control
For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
| Author: | OMAFRA Staff |
|---|---|
| Creation Date: | 25 November 2002 |
| Last Reviewed: | 02 July 2010 |