Late Blight Update – July 24th 2025
Late blight strain ID testing has confirmed the strain found on potatoes was US-23. This is the same strain that… Continue Reading Late Blight Update – July 24th 2025
Information for commercial vegetable production in Ontario
Late blight strain ID testing has confirmed the strain found on potatoes was US-23. This is the same strain that… Continue Reading Late Blight Update – July 24th 2025
With high late blight pressure the last two seasons, there may be enough inoculum around for an outbreak. Approach this… Continue Reading 2025 Late Blight Update
The 49th Annual Tomato Day hosted by OPVG District 1 Growers will be held on Thursday March 6, 2025 at… Continue Reading Tomato Day – March 6, 2025
Late blight has been found in a tomato field in Kent County. Samples are being analyzed for strain identification.
Late blight has been detected on a few potato plants in one field in Elgin county.
By Josh Mosiondz, Minor Use Coordinator, OMAFRA The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor… Continue Reading ETHREL® Liquid Plant Growth Regulator label expanded via Minor Use Program to amend PHI for Mechanical and Hand Harvest for Field Tomatoes in Canada
By: Amanda Tracey and Katie Goldenhar There have been reports of late blight symptoms on potato in Simcoe and Dufferin… Continue Reading Late Blight Update – July 28, 2023
By: Amanda Tracey and Katie Goldenhar Sporangia of Phytophthora infestans have been detected via spore trap in tomato fields in… Continue Reading Late blight update – July 21, 2023
By Josh Mosiondz, Minor Use Coordinator, OMAFRA The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor… Continue Reading Sivanto Prime® insecticide label expanded via Minor Use Program to help Colorado potato beetle on field grown eggplant and field tomatoes in Canada
The 47th Annual Tomato Day hosted by the OPVG District 1 growers and OMAFRA is fast approaching. Please join us… Continue Reading Tomato Day 2023 – March 1st!





