Information for commercial vegetable production in Ontario
Jim Chaput, Minor Use Coordinator The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label… Continue Reading Reason® 500SC Fungicide label expanded for management of downy mildew on basil and Brassica crops
Leek moth (Acrolepiopsis assectella) is an invasive pest of European and Asian origin. The first North American detection occurred near… Continue Reading Tracking the march of leek moth in Ontario
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
J. Chaput, OMAFRA, Minor Use Coordinator The Pest Management Regulatory Agency (PMRA) recently announced the approval of an URMULE registration… Continue Reading Switch® Fungicide label expanded for Celery Leaf Curl
The Pest Management Regulatory Agency (PMRA) recently announced the approval of URMULE registrations for Confine Extra fungicide (mono and di-potassium… Continue Reading Confine Extra fungicide label expanded via minor use program for suppression of bacterial spot of leaf lettuce
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
Onion thrips (Thrips tabaci) feed on more than just onions; they also feed on cabbage, leaf lettuce, a variety of… Continue Reading Scouting for onion thrips
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
The wild ancestors of today’s garlic, Allium sativum, originated thousands of years ago in what is believed to be garlic’s… Continue Reading The benefits of removing garlic scapes
The cabbage maggot (Delia radicum) is the larvae stage of the cabbage root fly which can cause severe damage to… Continue Reading Cabbage Maggot; An old pest with limited options