Table 4-5: Herbicide Crop Rotation and Soil pH Restrictions (Horticultural Crops)
Excerpt from 2010-11 Chapter 4, Publication 75, Guide to Weed Control, Order this publication
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Table
of Contents| Trade Name | Asparagus | Lima Beans | Snap Beans | Red Beets | Sugar Beets | Broccoli | Brussels Sprouts | Cabbage | Carrots |
|---|---|---|---|---|---|---|---|---|---|
| Accent | f | f | f | f | f | f | f | 10 | f |
| Accent 1-Pass1 | f | f | f | f | f | f | f | f | f |
| Accent Total1 | f | f | f | f | f | f | f | 10 | f |
| Atrazine
<1.0 kg ai/ha |
22 | 10 | 10 | 22 | 22 | 22 | 22 | 22 | 22 |
| Atrazine
>1.0-1.5 kg ai/ha |
22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Battalion1 | f | f | f | f | 10 | f | f | f | f |
| Broadstrike Dual Magnum | f | 10* | 10* | f | f | f | f | f | f |
| Callisto | f | 22 | 22 | f | f | f | f | f | f |
| Chateau | R | 9* | 9* | f | f | f | f | f | f |
| Classic (Soil pH 7.0 and less) | f | f | f | f | f | f | f | 11 | f |
| Classic (Soil pH 7.0 to 8.0) | f | f | f | f | f | f | f | f | f |
| Cleansweep1 | 22 | 22 | 22 | f | f | 22 | 22 | 22 | 22 |
| Command 360 ME | 16 | 16 | 10 | 16 | 16 | 10 | 16 | 16 | 16 |
| Conquest LQ1 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Converge Flexx 1 | f | f | f | f | f | f | f | f | f |
| Firstrate | f | f | 9 | 9 | f | f | f | f | f |
| Galaxy1 | f | f | f | f | f | f | f | f | f |
| Infinity | f | f | f | f | f | f | f | f | f |
| Impact | f* | f* | f* | f* | f* | f* | f* | f* | f* |
| Lontrel | 22 | 22 | 22 | 22 | f | R | 22 | R | 22 |
| Milestone | f | 48 | 48 | f | f | f | f | f | f |
| Muster | f | f | f | f | f | f | f | f | f |
| Option 1.2.3 | f | f | f | f | 22* | f | f | f | f |
| Option 2.25 OD | f | f | f | f | 10* | f | 10 | 10* | f |
| Peakplus1 | f | f | f | f | f | f | f | f | f |
| Prism | f | f | f | f | f | f | f | f | f |
| Pursuit | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Reflex | f | f | R | 18 | 18 | 18 | 18 | 18 | f |
| Sencor
(Soil pH >7.5) |
R | 10 | 10 | 22 | 22 | 22 | 22 | 22 | 10 |
| Simazine/Princep <2 kg ai/ha | 22 | 22 | 22 | 10 | 22 | 22 | 22 | 22 | 22 |
| Simazine/Princep >2 kg ai/ha | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Ultim | f | f | f | f | 10 | f | f | f | f |
| Ultim Total1 | f | f | f | f | 10 | f | f | f | f |
| Valtera | 12 | 9 | 9 | f | f | f | f | f | f |
| Trade Name | Cauliflower | Celery | Sweet Corn | Cucumber | Garlic | Herbs |
Lettuce |
Muskmelon | Onions | Parsnips |
|---|---|---|---|---|---|---|---|---|---|---|
| Accent | f | f | R | f | f | f | f | f | f | f |
| Accent 1-Pass1 | f | f | f | f | f | f | f | f | f | f |
| Accent Total1 | f | f | f | f | f | f | f | f | f | f |
| Atrazine
<1.0 kg ai/ha |
22 | 22 | R | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Atrazine
>1.0-1.5 kg ai/ha |
22 | 22 | R | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Battalion1 | f | f | 10 | f | f | f | f | f | f | f |
| Broadstrike Dual Magnum | f | f | 22 | 22 | f | f | f | f | f | f |
| Callisto | f | f | R | f | f | f | f | f | f | f |
| Chateau | f | f | f | f | f | f | f | f | R | f |
| Classic (Soil pH 7.0 and less) | f | f | 11 | f | f | f | f | f | f | f |
| Classic (Soil pH 7.0 to 8.0) | f | f | f | f | f | f | f | f | f | f |
| Cleansweep1 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Command 360 ME | 16 | 16 | 10 | 10 | 16 | 16 | 16 | 16 | 16 | 16 |
| Conquest LQ1 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Converge Flexx 1 | f | f | f | f | f | f | f | f | f | f |
| Firstrate | f | f | 18 | f | f | f | f | f | f | f |
| Galaxy1 | f | f | f | f | f | f | f | f | f | f |
| Infinity | f | f | f | f | f | f | f | f | f | f |
| Impact | f* | f* | f* | f* | f* | f* | f* | f* | f* | f* |
| Lontrel | R | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Milestone | f | f | 10 | f | f | f | f | f | f | f |
| Muster | f | f | f | f | f | f | f | f | f | f |
| Option 1.2.3 | f | f | 10* | f | f | f | f | f | f | f |
| Option 2.25 OD | f | f | 10* | f | f | f | f | f | f | f |
| Peakplus1 | f | f | f | f | f | f | f | f | f | f |
| Prism | f | f | f | f | f | f | f | f | f | f |
| Pursuit | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Reflex | 18 | f | 18 | f | f | f | f | f | f | f |
| Sencor
(Soil pH >7.5) |
22 | 22 | 10 | 22 | 10 | 10 | 22 | 22 | 22 | 10 |
| Simazine/Princep <2 kg ai/ha | 22 | 22 | 10 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Simazine/Princep >2 kg ai/ha | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Ultim | f | f | 10 | f | f | f | f | f | f | f |
| Ultim Total1 | f | f | 10 | f | f | f | f | f | f | f |
| Valtera | f | f | f | f | f | f | f | f | 12 | f |
| Trade Name | Peas | Peppers | Potatoes | Pumpkin | Rutabaga | Spinach | Squash |
Tomatoes |
Watermelon |
|---|---|---|---|---|---|---|---|---|---|
| Accent | f | f | 10 | f | f | f | f | 10 | f |
| Accent 1-Pass1 | f | f | f | f | f | f | f | f | f |
| Accent Total1 | f | f | 10 | f | f | f | f | 10 | f |
| Atrazine
<1.0 kg ai/ha |
10 | 22 | 10 | 22 | 22 | 22 | 22 | 10 | 22 |
| Atrazine
>1.0-1.5 kg ai/ha |
22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Battalion1 | f | f | 10 | f | f | f | f | 10 | f |
| Broadstrike Dual Magnum | 10* | 22 | 22 | f | f | f | f | 26 | f |
| Callisto | 22 | f | 11 | f | f | f | f | 11 | f |
| Chateau | f | f | R | f | f | f | f | f | f |
| Classic (Soil pH 7.0 and less) | 11 | f | f | f | f | f | f | 12 | f |
| Classic (Soil pH 7.0 to 8.0) | f | f | f | f | f | f | f | 12 | f |
| Cleansweep1 | R | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Command 360 ME | 10 | 10 | 10 | 10 | 16 | 16 | 10 | 16 | 16 |
| Conquest LQ1 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Converge Flexx 1 | 10 | f | f | f | f | f | f | f | f |
| Firstrate | 9 | f | f | f | f | f | f | f | f |
| Galaxy1 | f | f | 10* | f | f | f | f | 10* | f |
| Infinity | f | f | f | f | f | f | f | f | f |
| Impact | f* | f* | f* | f* | f* | f* | f* | f* | f* |
| Lontrel | 22 | 22 | 22 | 22 | R | 22 | 22 | 22 | 22 |
| Milestone | 48 | 48 | f | f | f | f | f | 48 | f |
| Muster | f | f | f | f | f | f | f | f | f |
| Option 1.2.3 | f | f | f | f | f | f | f | f | f |
| Option 2.25 OD | 10* | f | 10* | f | f | f | f | f | f |
| Peakplus1 | 10* | f | f | f | f | f | f | f | f |
| Prism | f | f | R | f | f | f | f | R | f |
| Pursuit | R | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Reflex | f | f | f | f | 18 | f | f | f | f |
| Sencor
(Soil pH >7.5) |
10 | 22 | R | 22 | 22 | 22 | 22 | R | 22 |
| Simazine/Princep <2 kg ai/ha | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Simazine/Princep >2 kg ai/ha | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Ultim | f | 10 | f | f | f | f | f | 10 | f |
| Ultim Total1 | f | 10 | f | f | f | f | f | 10 | f |
| Valtera | f | f | 12 | f | f | f | f | f | f |
R - Registered for application on this crop.
1 - Herbicides sold as a co-pack under this trade name.
f - Field bioassay; user assumes liability for all crops not indicated
on the label.
* - Numbers indicate that the re-crop restriction (in months) is listed
on the product label. Unbolded numbers indicate that the re-crop restriction
(in months) is based on the best available information and the manufacturer
of the specified product should be contacted for more information.
Field Bioassay Service:
A & L Laboratories provides a bioassay service to assist in making
re-crop decisions.
For More Information Contact:
A & L Laboratories Canada Ltd., 2136 Jet Stream Road, London, ON-N5V
3P5
Related Links
- A & L Laboratories Canada Ltd.
- Weeds in Ontario
- Weed Management in Vegetables
- Weed Management in Corn (Field, Seed and Sweet)
- Weed Management in Beans (dry, snap and Lima)
- Pesticide Application and Safety
- Pesticide Companies and Agents
- OMAFRA Sprayer Calibration Calculator
- 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: | 30 January 2010 |