Herbicide Recommendations for Seedbeds and Potting Soil: Soil Applied Fumigants

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

Table of Contents

1. Basamid
2. Terr-O-Gas
3. Vapam
4. Nursery and Ornamental Herbicide Rating Table (Table 16-1) (PDF 63 k)
   • Annual Grasses
   • Annual Broadleaf Weeds
   • Perennial Weeds
5. Related Links

Precautions

• Do NOT use below 6°C.
• Refer to manufacturer's directions for specific details as well as direction on sealing soil, evacuating gases and performing the safety germination test.

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Precautions

• A poisonous gas which must be applied under a gas proof cover (usually plastic).
• Its use is subject to the Pesticides Act.
• It may be used by the grower on his own seedbeds but he must obtain a permit from the Ontario Ministry of the Environment each time it is used.
• The manufacturer's instructions must be followed, and the seedbed or greenhouse aired thoroughly after the treatment period.
• If there is any question, the safety precautions in the Pesticides Act should be studied, or inquiry made at the resource centres of the Ontario Ministry of Agriculture and Food or the Ontario Ministry of the Environment.

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Precautions

• Apply as a drench to a soil that should be wet to a depth of at least 8 cm.
• Do NOT plant for 10-14 days or longer if the weather is cool.

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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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