Proposed Re-evaluation Decision PRVD2021-05, Triticonazole and Its Associated End-use Products

Pest Management Regulatory Agency
30 March 2021
ISSN: 1925-0967 (PDF version)
Catalogue number: H113-27/2021-5E-PDF (PDF version)

Summary

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Table of contents

Proposed re-evaluation decision for triticonazole and associated end use products

Under the authority of the Pest Control Products Act, all registered pesticides must be re-evaluated by Health Canada’s Pest Management Regulatory Agency (PMRA) to ensure that they continue to meet current health and environmental standards and continue to have value. The re-evaluation considers data and information from pesticide manufacturers, published scientific reports and other regulatory agencies. Health Canada applies internationally accepted risk assessment methods as well as current risk management approaches and policies.

Triticonazole is a systemic fungicide registered for control or suppression of foliar, seed-borne and soil-borne diseases on cereals, corn and turf. Triticonazole is registered alone and as a co-formulation with trifloxystrobin, pyraclostrobin, and metalaxyl. It is applied as a seed treatment (cereals and corn) or via ground equipment (golf courses). Currently registered products containing triticonazole can be found in the Pesticide Label Search and in Appendix I of PRVD2021-05.

This document (Proposed Re-evaluation Decision PRVD2021-05, Triticonazole and Its Associated End-use Products) presents the proposed re-evaluation decision for triticonazole, including the proposed amendments (risk mitigation measures) to protect human health and the environment, as well as the science evaluation on which the proposed decision is based. All products containing triticonazole that are registered in Canada are subject to this proposed re-evaluation decision. PRVD2021-05 is subject to a 90-day public consultation period,Footnote 1 during which the public (including the pesticide manufacturers and stakeholders) may submit written comments and additional information to PMRA Publications. The final re-evaluation decision will be published after taking into consideration the comments and information received during the consultation period.

Proposed re-evaluation decision for triticonazole

Under the authority of the Pest Control Products Act and based on an evaluation of available scientific information, Health Canada is proposing continued registration of triticonazole and all associated end-use products registered for sale and use in Canada.

With respect to human health, dietary and occupational risks were shown to be acceptable when triticonazole is used according to the proposed conditions of registration, which include new mitigation measures such as updated personal protective equipment, rate reduction for use on golf courses and additional use precautions.

Based on available scientific information, potential risks to the environment were shown to be acceptable when triticonazole is used according to the proposed conditions of registration, which includes new mitigation measures such as additional precautionary label statements and spray buffer zones.

Due to its broad spectrum action with preventive properties and compatibility with other fungicides, triticonazole has value to cereal growers and to golf course managers.

Risk mitigation measures

Registered pesticide product labels include specific directions for use. Directions include risk mitigation measures to protect human health and the environment and must be followed by law. The proposed label amendments including any revised/updated label statements and/or mitigation measures, as a result of the re-evaluation of triticonazole, are summarized below. Refer to Appendix XV of PRVD2021-05 for details.

Human health

As a result of the re-evaluation of triticonazole, the PMRA is proposing additional risk-reduction measures to minimize the potential human health risks. Additional revisions to the triticonazole labels are proposed to update label statements to current policies and language.

Label improvements to meet current standards:

For turf products

For seed treatment products

Risk mitigation:

Environment

Risk mitigation:

To protect the environment, the following risk-reduction measures are proposed:

International context

Triticonazole is currently acceptable for use in other Organisation for Economic Co-operation and Development (OECD) member countries, including the United States, the European Union, and Australia. No decision by an OECD member country to prohibit all uses of triticonazole for health or environmental reasons has been identified as of 14 December 2020.

Next steps

Upon publication of this proposed re-evaluation decision (PRVD2021-05), the public, including the registrants and stakeholders are encouraged to submit additional information that could be used to refine risk assessments during the 90-day public consultation period.

All comments received during the 90-day public consultation period will be taken into consideration in preparation of the re-evaluation decision document,Footnote 2 which could result in revised risk mitigation measures. The re-evaluation decision document will include the final re-evaluation decision, the reasons for it and a summary of comments received on the proposed re-evaluation decision with Health Canada’s responses.
Refer to Appendix I of PRVD2021-05 for details on products impacted by this proposed decision.

Additional scientific information

No additional scientific data are required at this time.

Footnotes

Footnote 1

"Consultation statement" as required by subsection 28(2) of the Pest Control Products Act.

Return to footnote 1 referrer

Footnote 2

"Decision statement" as required by subsection 28(5) of the Pest Control Products Act.

Return to footnote 2 referrer

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