Category Archives: Fresh Grapes
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
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
Jennifer Jarvis, Stakeholder Communications and Marketing Advisor, OMAFRA In 2016, many areas of the province saw very warm and dry conditions, creating challenges for horticulture and field crop producers. Many wells were still dry leading into the winter. In other … Continue reading
Hannah Fraser, Entomologist – Horticulture, OMAFRA Guelph The University of Guelph and OMAFRA are conducting a targeted grower participatory survey for brown marmorated stink bug (BMSB), Halyomorpha halys, in Niagara and in Simcoe as part of a larger project, using … Continue reading
Two insecticides have recently been registered for emergency use on spotted wing drosophila (SWD) on berry crops (crop group 13-07) and stone fruits (crop group 12) in Ontario.
Ratings in shaded cells indicate the insect/mite is listed on the product label for control or suppression. Please see the product label or crop calendars for registered uses. Additional information, derived from other sources, is provided in this table to … Continue reading
The free OMAFRA IPM scout training workshops are available for those who will be scouting horticultural crops this year. Be sure to register if you or your scout are planning to attend! To register, please contact OMAFRA’s Agricultural Information Contact Centre … Continue reading