Jim Chaput, Minor Use Coordinator
The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for Reason® 500SC Fungicide for control of downy mildew on basil and an amendment to update the label to include management of downy mildew on the new Brassica vegetable crop groups 5-13 and 4-13B in Canada. The head and stem Brassica vegetable group includes cabbage, napa cabbage, Brussels sprouts, cauliflower and broccoli and the new Brassica leafy greens crop group includes arugula, Chinese broccoli, Chinese cabbage, bok choy, collards, cress, kale, mizuna, mustard greens, etc. Reason® Fungicide was already labeled for use on a number of crops in Canada for control of several diseases.
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 the National Capitol Region (Ottawa) in 1993. Since then, the leek moth has spread 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 weather. While the ideal temperature for downy mildew development is 8-16˚C it can infect in temperatures outside that range. Prolonged leaf wetness due to fog, dew, or evening irrigation can create ideal conditions for the pathogen to develop.
Downy mildew is most devastating on 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 for Switch® Fungicide for control of anthracnose (leaf curl) on celery in Canada. Switch® Fungicide was already labeled for use on a number of crops in Canada for control of several diseases.
This minor use project was submitted as a result of minor use priorities established by growers and extension personnel.
The following is provided as an abbreviated, general outline only. Users should be making pest management decisions within a robust integrated disease management program and should consult the complete label before using switch fungicide.
Switch® Fungicide is TOXIC to aquatic organisms. Fludioxonil is persistent and may carryover. It is recommended that any products containing fludioxonil not be used in areas treated with this product during the previous season. Do not permit Switch Fungicide to contaminate off-target areas or aquatic habitats when spraying or when cleaning and rinsing spray equipment or containers.
Follow all precautions and detailed directions for use on the Switch® Fungicide label carefully.
For a copy of the new minor use label contact your local crop specialist, regional supply outlet or visit the PMRA label site.
This article is not intended to be an endorsement or recommendation for this particular product, but rather a notice of registration activity.
The Pest Management Regulatory Agency (PMRA) recently announced the approval of URMULE registrations for Confine Extra fungicide (mono and di-potassium salts of phosphorus acid 53%) for the suppression of bacterial leaf spot (Xanthomonas campestris p.v. vitians) on leaf lettuce in Canada. 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 samples within eight counties and are looking to obtain samples from as many different counties as possible this field season.
Continue reading Update on the Clubroot of Brassica Survey