Copper 53 W label updated for use on vinifera grapes
Until recently, the Copper 53 W label indicated a warning “Do not use on vinifera varieties.” This caused some consternationContinue Reading
Category: Fresh Grapes
Clearing the Cobwebs: Copper Use for Grape and Stone Fruit Diseases
Katie Goldenhar, OMAFRA Plant Pathologist – Horticulture & Wendy McFadden-Smith, Tender Fruit and Grape IPM Specialist Do you really knowContinue Reading
What’s up? Tender fruit and grape update June 4, 2026
By Kathryn Carter, Fruit Specialist (Tender fruit and Grape) Weather This week there have been several days of warm, dryContinue Reading
We want your grape downy mildew!
For the 2026 growing season, OMAFA has funding to screen Ontario grape downy mildew for sensitivity to phosphorous acid. ContactContinue Reading
Tender fruit and grape update
Kathryn Carter, Fruit Specialist (Tender Fruit and Grape), OMAFA Weather This spring has been a roller coaster of temperatures. BasedContinue Reading
Evaluating the open gable trellising system on productivity and fruit quality in table grapes
By Ken Slingerland (Horticultural Consultant), Laura Dobbyn (Fresh Grape Research Assistant) and Kathryn Carter (OMAFA, Project Lead) Background New tableContinue Reading
Covering New Ground: Under Vine Cover Crops for Weed Management in Ontario Vineyards
by Matthew Lawford (summer student), Kathryn Carter, OMAFA, Stephanie Vickers, OMAFA Weed management in commercial vineyards traditionally relies on theContinue Reading