Herbicide Recommendations for Woody Nursery Stock (Field Grown): Soil Applied Grass Herbicides
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Table
of Contents| Trade Name | |
|---|---|
| Active Ingredient | propyzamide |
| Formulation | 50 WP |
| Rate per hectare (active) | 1.5 kg/ha |
| Rate per hectare (product) | 3 kg/ha |
| Rate per acre (product) | 1.2 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 in the late fall when the soil temperature is low but above freezing.
- Soil moisture should be high.
- This herbicide is absorbed through the roots.
| Trade Name | |
|---|---|
| Active Ingredient | s-metolachor/benoxacor |
| Formulation | 915 g/L |
| Rate per hectare (active) | 1.14 - 1.6 kg/ha |
| Rate per hectare (product) | 1.25 - 1.75 L/ha |
| Rate per acre (product) | 0.5 - 0.7 L/ac |
Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).
- PRE - Apply in at least 150 L of water.
- Apply to soil prior to bud break of nursery stock.
- Do NOT apply within 4 weeks of bud burst or until the needles have hardened.
- For use on white spruce, Norway spruce, black spruce, white pine, Jack pine and red pine seedlings in their second year or older.
- Also for use on poplar stoolbeds.
- May have postemergent properties if applied to weeds before they reach the 2 leaf stage.
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 |