Late Blight Update – July 17th, 2025
Late blight has been confirmed on potatoes in Dufferin County. The identified area was small but risk of late blight… Continue Reading Late Blight Update – July 17th, 2025
Category: Crop Protection
Downy Mildew Confirmed in Michigan – June 25, 2025
We have received word that downy mildew was confirmed at 4 different locations in Michigan this week. The close proximity… Continue Reading Downy Mildew Confirmed in Michigan – June 25, 2025
2025 Late Blight Update
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
Botrytis neck rot has been found in garlic
Botrytis neck rot, caused by the fungus Botrytis porri, is an uncommon disease in Ontario, but some areas this year… Continue Reading Botrytis neck rot has been found in garlic
Cimegra® Insecticide label temporarily expanded via Emergency Use Registration to help manage cabbage maggot in Broccoli, Brussels sprouts, Cabbage, Cabbage (Chinese, napa), and Cauliflower grown in Ontario, British Columbia, Alberta, Saskatchewan, Quebec, Nova Scotia, New Brunswick, Prince Edward Island, and Newfoundland and Labrador
J. MOSIONDZ, OMAFA, Minor Use Coordinator, Guelph
LOROX L® Herbicide Label Reinstated via Company Submission to help manage Labelled Weeds in Celery in Canada
The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for LOROX L®… Continue Reading LOROX L® Herbicide Label Reinstated via Company Submission to help manage Labelled Weeds in Celery in Canada
Leek Moth Management
Leek moth has slowly been increasing its presence across Ontario and into the maritimes and Quebec since it was found… Continue Reading Leek Moth Management
Brassica Vegetables Crop Protection Disease Featured Fungicides ONveg in The Grower Research Resistance
Alternaria is becoming a major concern for Brassica growers
Alternaria leaf spot and head rot has become increasingly difficult to manage in Brassica vegetable crops grown in Canada. Brassica… Continue Reading Alternaria is becoming a major concern for Brassica growers
Fungicide Resistance in Sugarbeets
Sugarbeet growers in Kent County continue to struggle with potential resistance to group 3 fungicides in fields affected by Cercospora… Continue Reading Fungicide Resistance in Sugarbeets
New Crop Protection Hub Features
Earlier this growing season, new features were released on the Ontario Crop Protection Hub (Crop Hub). The goal of these… Continue Reading New Crop Protection Hub Features