Changes to the registration of zoxamide pesticides
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Organization: Health Canada
ISBN: 978-0-660-71990-0
Date published: 2024-07-26
All pesticides used in Canada must be registered under the Pest Control Products Act. Pesticides are re-evaluated to ensure that they continue to meet health and environmental requirements. Re-evaluation may result in the revocation of a product or product uses. Health Canada may also request changes to a product's label, including mitigation measures, use sites and application methods.
Zoxamide is a fungicide used on potatoes, grapes and onions (bulb). The highlights of the re-evaluation decision of the active ingredient zoxamide, published on February 9, 2023, are summarized below.
Label changes for zoxamide pesticides, as of February 9, 2025
Risk reduction measures
Use prohibited on greenhouse food crops, except for crops specifically indicated on the label
- Ground application only for bulb onions
- Updated buffer zones
- Recommendation to install a vegetative filter strip (VFS)
- Warnings for sites with runoff-conducive characteristics and when heavy rain is forecast
- Warnings regarding the potential toxicity of zoxamide to aquatic organisms
Users must follow the instructions on the updated labels.
Using a pesticide contrary with the label directions is a violation of the Pest Control Products Act.
Read the label
All pesticides registered in Canada have a Health Canada-approved label with a registration number. Read the pesticide label carefully, as it contains specific information on how to use it.
To find the most up-to-date label, use our online label search tool, or search for "Health Canada pesticide labels" using your favourite search engine.
For more information
Re-evaluation decision RVD2023-04, Zoxamide and its associated end-use products. The Health Canada-approved label is the official document for enforcement purposes. In the event of any discrepancy with the contents of this factsheet, the information on the label shall prevail.
Health Canada's Pesticide Compliance Program (PCP) is responsible for the enforcement of the Pest Control Products Act.