Information for commercial vegetable production in Ontario
Michael Celetti, Plant Pathologist – Horticulture Crops Program Lead, OMAFRA, Guelph With the hot, humid weather experienced in Ontario recently,… Continue Reading Black Rot of Cole Crops in Hot, Humid Weather
Growers spend a lot of time, money and effort to apply pesticides, but are they getting the coverage they need?… Continue Reading Asparagus Disease Management and Spray Coverage Workshop
Powdery mildew appears to have made an early appearance in Ontario this year. We typically look for this disease in… Continue Reading Powdery Mildew in Cucurbits
Since the initial report of downy mildew in Elgin county last week, there has been very little activity across the… Continue Reading Downy Mildew Update – July 12th, 2012
This is a brief summary of a research project by Dr. Amy Turnbull, A&L Biologicals Agroecology Research Services Centre, London,… Continue Reading Tomato root disease and sulphur
Marion Paibomesai and Michael Celetti, OMAFRA and Michael Tesfaendrias, University of Guelph-Muck Crop Research Station Adapted from HortMatters article Vol. 12,… Continue Reading Update on Stemphylium Leaf Blight of Onions in Ontario
Downy mildew was confirmed in a pickling cucumber field in Elgin County on July 3rd, 2012. The level of disease in this… Continue Reading Downy Mildew Identified in Elgin County – July 3rd, 2012
To date, there are no confirmed cases of cucurbit downy mildew in Ontario pickling cucumber fields. While the current hot,… Continue Reading Downy Mildew Update – June 29th, 2012
Cucumber beetles are the primary vector of bacterial wilt. Even a fairly low population of beetles can spread this disease… Continue Reading Cucumber Beetles and Bacterial Wilt of Cucurbits
Cucurbit Downy Mildew was confirmed on June 14th, 2012 in a cucumber field in Wayne County, Ohio. This significantly increases… Continue Reading Cucurbit Downy Mildew Confirmed in Ohio