Category: Pesticides

PYGANIC® Insecticide label temporarily expanded via Emergency Use Registration request to help manage Nesidiocoris tenuis in greenhouse grown tomatoes and greenhouse grown cucumbers in Ontario.

Published on by Cara McCreary

J. MOSIONDZ, OMAFA, Minor Use Coordinator, Guelph

The Pesticides Regulatory Directorate (PRD), formerly known as the Pest Management Regulatory Agency (PMRA), recently announced the approval of an Emergency Use Registration (EUR) request for PYGANIC® insecticide for management of Nesidiocoris tenuis, “Nesi”, on greenhouse grown cucumbers and greenhouse grown tomatoes in Ontario. This EUR request can be used only in Ontario from April 17th, 2026, until April 16th, 2029. The request marks the first agricultural related EUR request to be granted a multiyear term on the grounds of preventing the establishment of a new invasive species.

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Upcoming GrowON Webinar: Managing Pesticide Resistance in Greenhouses

Published on by Fadi Al-Daoud

Greenhouse IPM practitioners have to produce high quality plants and produce with a more limited chemical arsenal. We also have to deal with several key pests that are known to readily develop resistance to multiple chemical classes, including thrips, whitefly and leafminers. So how do we avoid an uphill run on the resistance treadmill? Hannah Fraser, Horticulture Entomologist with OMAFA, shares her decades of experience battling resistance issues in fruit crop pests with us in this next webinar.

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POSTERITY® Fungicide label expanded via Minor Use Program

Published on by Cara McCreary

POSTERITY® Fungicide label expanded via Minor Use Program to help manage Fusarium internal rot on Greenhouse Peppers and Botrytis grey mould on Greenhouse Lettuce

Written by Josh Mosiondz, Minor Use Coordinator, OMAFRA

The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for POSTERITY® Fungicide for suppression of Fusarium internal rot on greenhouse pepper and Botrytis grey mould on greenhouse lettuce in Canada. POSTERITY® Fungicide was already labeled for disease control on a wide range of crops in Canada. These minor use proposals were 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.

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Tank Mixing Update – Implications for Users of Pest Control Products

Published on by Cara McCreary

Written by Josh Mosiondz, Provincial Minor Use Coordinator (OMAFRA) with input from Jason Deveau, Application Technology Specialist (OMAFRA)

Vertical spray boom in greenhouse pepper crop

Tank mixing, a practice commonly performed by growers across the agricultural spectrum, is an important practice used to reduce the number of sprayer passes per season, prevent resistance development, and to improve product performance.

Health Canada’s Pest Management Regulatory Agency (PMRA) recently announced clarifications to the tank mixing policy in a new guidance document on December 22nd, 2022, entitled “PMRA Guidance Document Tank Mix Labelling”.

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