Herbicide Recommendations for Woody Nursery Container Stock: Soil Applied Grass and Broadleaf Herbicides

Excerpt from 2008 Chapter 16, Publication 75, Guide to Weed Control, Order this publication

Table of Contents

1. Casoron
2. Dacthal
3. Devrinol
4. Princep Nine-T or Simazine
5. Ronstar
6. Nursery and Ornamental Herbicide Rating Table (Table 16-1) (PDF 63 k)
   • Annual Grasses
   • Annual Broadleaf Weeds
   • Perennial Weeds
7. Other Woody Nursery Stock Weed Control Recommendations
   • See Managing Weeds in Nursery Stock: Container Stock
   • Woody Nursery Stock (Field Grown)
     • Soil Applied Grass Herbicides
     • Soil Applied Broadleaf Herbicides
     • Soil Applied Grass and Broadleaf Herbicides
     • Postemergence Grass Herbicides
     • Postemergence Grass and Broadleaf Herbicides
   • Woody Nursery Stock (Container Beds)
     • Soil Applied Grass and Broadleaf Herbicides
     • Postemergence Grass and Broadleaf Herbicides
   • Woody Nursery Stock (Container Stock)
     • Soil Applied Broadleaf Herbicides
     • Postemergence Grass Herbicides
8. Related Links

Precautions

• PRE - Apply at least 4 weeks after planting into containers to a weed free soil surface.
• Do NOT use after September 15 or within 30 days of covering treated stock in overwintering structures.
• Use only on containers growing outside.
• For use on these species - Juniperus chinensis, J. horizontalis and Thuja occidentalis.

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Precautions

• 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.

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Precautions

• PPI - Apply at any time of the year to a weed free soil surface.
• May be applied to newly planted container stock after the potting media has settled from first watering.
• Incorporate by watering within 7 days of a spring or fall application and within 2 days of a summer application.
• Will not control bittercress.

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Precautions

• PRE - Apply in 300 L/ha (120 L/ac) water.
• For use on juniper, white cedar and yew only.
• Apply ONLY once per season, one month after planting.
• Apply before weeds emerge or after removing them from the containers.

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Precautions

• PRE - Apply any time during the year, prior to weed seed germination.
• Can be applied to both newly transplanted and established ornamentals and trees.
• Do NOT apply to wet foliage or under conditions in which granules will collect on leaves.
• Consult the label for list of tolerant species.
• Apply at least 4 weeks before covering polyhouses in fall.

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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

   

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