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OMAFRA: EURs for Brassica fungicide and rutabaga insecticide

July 19, 2023  By Josh Mosiondz, OMAFRA Minor Use Co-ordinator

Josh Mosiondz, OMAFRA minor use co-ordinator, recently posted on ONVegetables about two temporary pesticide label expansions for vegetable growers.

The Pest Management Regulatory Agency (PMRA) recently announced the approval of an Emergency Use Registration (EUR) for Switch 62.5WG Fungicide for suppression of Alternaria leaf blight (Alternaria brassicicola) on Brussels sprouts, broccoli, and cauliflower in select provinces in Canada. This EUR for Switch 62.5WG on listed Brassica crops can be used only in Ontario, Quebec, Nova Scotia and Newfoundland and Labrador until July 7, 2024.

Switch 62.5WG Fungicide is labeled for management of diseases on a wide range of crops in Canada. The use on Brussels sprouts, broccoli and cauliflower has already been submitted for review as a full label expansion via a provincial User Requested Minor Use Label Expansion (URMULE), with the hope for full registration by the 2024 field season. This EUR request was initiated by participating provinces in response to the reduced number of chlorothalonil applications permitted on the crops following RVD2018-11 and a lack of sufficient registered protective products to allow for proper rotation and season-long disease protectionThis EUR was led by Ontario in conjunction with the Fresh Vegetable Growers of Ontario (FVGO) and other participating provinces’ Ministries of Agriculture and their local growers’ associations. |READ MORE

In early June, the PMRA announced the approval of an EUR for Success insecticide for suppression of cabbage maggot on rutabaga in Ontario and Quebec ONLY until June 7, 2024.

Success Insecticide was already labeled for management of cabbage maggot on rutabaga in Canada using a foliar application. However, the EUR allows for use of Success as a soil drench in addition to the foliar application to target maggots in the root zone. This EUR was led and submitted by the Ministère de l’Agriculture, des Pêcheries et de l’Alimentation du Québec (MAPAQ) as a result of minor use priorities established by growers and extension personnel. |READ MORE

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