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December 20, 2021

The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for Elevate fungicide for control of Botrytis leaf blight (Botrytis squamosa) in Canada. Elevate fungicide was already labeled for management of diseases on a wide range of crops in Canada. This minor use proposal was submitted by Agriculture & Agri-Food Canada, Pest Management Centre (AAFC-PMC) as a joint project with the United States Department of Agriculture (USDA) IR-4 project as a result of minor use priorities established by growers and extension personnel.


The following is provided as an abbreviated, general outline only. Users should be making disease management decisions within a robust integrated disease management program and should consult the complete label before using Elevate fungicide.



(kg product/ha)

Application Information

PHI (days)

Onion (green
and dry bulb)

Botrytis leaf blight (Botrytis squamosa)

1.12 – 1.7  

Apply the higher rate under conditions conducive for disease development. Repeat at 7-14-day intervals if conditions continue to favor disease. Do not make more than 3 applications per year. Applications can be made when conditions are favorable for disease development. Use sufficient water to obtain thorough coverage.



This product is toxic to fish and other aquatic organisms.  Do not contaminate aquatic areas, including lakes, rivers, sloughs, ponds, coulees, prairie potholes, creeks, marshes, streams, reservoirs, wetlands, and marine/estuarine habitats through overspray, cleaning of equipment and containers, or disposal of waste. For the protection of non-target habitats, overspray or drift to sensitive habitats must be avoided.  A buffer zone of seven meters is required between the downwind point of direct application and the closest edge of sensitive aquatic habitats such as lakes, rivers, sloughs, ponds, coulees, prairie potholes, creeks, marshes, streams, reservoirs, and wetlands.


Follow all other precautions, restrictions, and directions for use on the Elevate fungicide label carefully.


For a copy of the new minor use label contact your regional supply outlet, or visit the PMRA label site.


Source: Josh Mosiondz, minor use coordinator, OMAFRA

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Submitted by Karen Davidson on 20 December 2021