Author Archives: wendymcfaddensmith
W. McFadden-Smith (OMAFRA), S. Poojari and J.P. Parent (AAFC) Symptoms of Grapevine leafroll disease (GLD), caused by a number of GLRaVs, are more apparent on red-fruited vinifera cultivars than whites and they vary based on variety of factors including environmental conditions, … Continue reading
W. McFadden-Smith (OMAFRA), S. Poojari and J.P. Parent (AAFC) A few weeks ago, it was easy to find mealybugs and scales on foliage and fruit in vineyards that had not been sprayed with Movento. Mealybugs and scales secrete a sugary … Continue reading
The frequent rains, heavy dews, fog, overcast skies and moderate temperatures have promoted infections by downy and powdery mildew. Strictly protectant fungicides cannot stand up to the heavy rains that have occurred this year. Dense canopies prevent air movement to … Continue reading
Click on the link below to read this article from the Growing Produce website: Researcher: Cherry Growers Must Use Disease Management Strategies When it Comes to SWD
My crew has been out monitoring mealybug development in several vineyards this summer. The majority of mealybug populations are in the egg or first instar stage.
Kristen Obeid, OMAFRA Weed Specialist – Horticulture Glyphosate resistant Canada fleabane has been confirmed in 28 counties throughout the province. Some counties also have multiple resistant Canada fleabane which is resistant to both glyphosate and ALS or group 2 herbicides. … Continue reading
Excerpts from OMAFRA Factsheet Using Propane-Fired Cannons to Keep Birds Away From Vineyards. The principle for best management practices for bird bangers is that their only use is to protect bearing, marketable fruit trees and vines from bird predation. The … Continue reading