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.

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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Diseases caused by Diaporthe (Phomopsis) species on greenhouse cucumber

Authors: Geneviève Marchand, Cara McCreary, and Katie Goldenhar

Let’s start with the confusing part… I’m sure many growers have heard of Phomopsis. But how many are familiar with Diaporthe? We’ll just settle this right here and now. The Phomopsis species discussed in this blog post were renamed and now belong to the genus Diaporthe. (We are so grateful for taxonomists, but it’s hard to keep up with name changes sometimes!).

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