Herbicide Recommendations for Woody Nursery Stock (Container Bed): Soil Applied Grass and Broadleaf Herbicides
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Table
of Contents| Trade Name | |
|---|---|
| Active Ingredient | dichlobenil |
| Formulation | 4 Gr |
| Rate per hectare (active) | 4.4 - 7 kg/ha |
| Rate per hectare (product) | 110 - 175 kg/ha |
| Rate per acre (product) | 44 - 70 kg/ac |
Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
- PRE - Apply to bare soil before putting container pots on beds.
- Apply in spring when temperatures are cool and incorporate immediately with irrigation or mechanical incorporation.
- For the best results, apply to soil with more than 2% organic matter content.
- Use on gravel or sandy soils may result in inconsistent weed control.
- Do NOT cover polyhouses with plastic within 1 month after application.
- Do NOT apply within plastic covered polyhouses or within greenhouse structures.
- Refer to label for tolerant species.
- Do NOT transplant into treated soil for 1 year.
| Trade Name | |
|---|---|
| Active Ingredient | chlorthal dimethyl |
| Formulation | 75 WP |
| Rate per hectare (active) | 12.75 kg/ha |
| Rate per hectare (product) | 17 kg/ha |
| Rate per acre (product) | 6.8 kg/ac |
Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
- Apply at lining out, late fall or early spring in 340 L of water.
- Applications should be made to soil recently cultivated to a uniform texture.
- Rain or irrigation (1 cm) is needed to activate this herbicide.
| Trade Name | |
|---|---|
| Active Ingredient | napropamide |
| Formulation | 2 Gr |
| Rate per hectare (active) | 4.5 kg/ha |
| Rate per hectare (product) | 225 kg/ha |
| Rate per acre (product) | 90 kg/ac |
Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
- Consult list of plant species on which DEVRINOL 2G can be used.
- Apply over the container and treat preemergence to the weeds. If weed are emerged cultivate before application.
- Irrigate immediately after application.
Related Links
- Weeds in Ontario
- Nursery and Landscape Plants in Ontario
- Problem Weed Control in Field Crops
- 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: | 18 June 2010 |