pathogens – ONvegetables

by Travis Cranmer August 14, 2017 0

Downy mildew of brassica vegetables

Downy mildew of brassicas (Hyaloperonospora parasitica syn. Peronospora parasitica) is a fungal-like oomycete that can be devastating in cooler, wet… Continue Reading Downy mildew of brassica vegetables

by Travis Cranmer July 3, 2017 0

Brassica Vegetables Disease Vegetables

Update on the Clubroot of Brassica Survey

We are currently conducting a clubroot survey for Brassica vegetables in Southwestern Ontario. To date we have identified or collected… Continue Reading Update on the Clubroot of Brassica Survey

by Travis Cranmer June 21, 2017 0

Alliums Crop Protection Diagnostics Disease Fungicides Onions Pest Management Vegetables

Stemphylium is the new Botrytis

Stemphylium leaf blight (Stemphylium vesicarium) of onion starts as yellow-tan, water-soaked lesions developing into elongated spots. As these spots cover… Continue Reading Stemphylium is the new Botrytis

by Elaine Roddy August 10, 2012 0

Disease Nematodes Pest Management Soil & Water Vegetables

Biofumigation

Margaret Appleby, IPM Specialist OMAFRA, Brighton Biofumigation is defined as suppression of soil-borne pests and pathogens by the use of… Continue Reading Biofumigation