Tag Archives: weed management

SERENE® Herbicide label expanded via Minor Use Program to help manage labelled weeds in various crops and crop groups

Posted on August 16, 2022 by Sean Westerveld

By Josh Mosiondz, Minor Use Coordinator, OMAFRA, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for SERENE® Herbicide for control or suppression of labelled weeds in various crops and crop groups … Continue reading →

Posted in Ginseng, Ginseng Pest Management, Haskap, Hops, Hops Pest Management, Specialty Fruit and Nuts, Specialty Vegetable Pest Management, Specialty Vegetables, Tree Nuts | Tagged , , , , , , , , | Leave a comment

Funding Available to Continue Testing Herbicide-Resistant Weeds

Posted on March 11, 2022 by Sean Westerveld

By: Kristen Obeid, OMAFRA Weed Management Specialist – Horticulture Funding is available for producers, agri-business, consultants and extension personnel to submit weed samples to be tested for herbicide resistance again this year.  Sample collection kits with sampling procedures can be … Continue reading →

Posted in All Specialty Crops, Ginseng, Ginseng Pest Management, Herbs, Hops, Industrial and Misc. Crops, Industrial Hemp, Specialty Fruit and Nuts, Specialty Grains, Specialty Vegetables, Sweet Potato | Tagged , , , , | Leave a comment

Control of Scentless Chamomile in Ginseng

Posted on October 19, 2021 by Sean Westerveld

Growers are reporting increasing issues dealing with scentless chamomile in ginseng, which has become a problem weed in many crops. Scentless chamomile (Matricaria perforata), also known as scentless mayweed, is a short-lived perennial or sometimes annual, closely resembling stinking mayweed, … Continue reading →

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Suspect you have herbicide resistant weeds? Participate in a genetic testing sampling project.

Posted on June 25, 2020 by Melanie Filotas

By Kristen Obeid, OMAFRA Weed Management Specialist – Horticulture Do you suspect that you have herbicide resistant weeds on your farm?  If so, why not get them tested for free through a genetic testing sample project.  So far there are 16 … Continue reading →

Posted in All Specialty Crops, Ginseng Pest Management, Hops Pest Management, Specialty Vegetable Pest Management, Sweet Potato Pest Management, Uncategorized | Tagged , | Leave a comment

Waterhemp: A Spreading Invasive Weed in Ontario and Canada

Posted on April 23, 2020 by Sean Westerveld

Kristen Obeid1, Peter Sikkema2, Christian Willemse2, Nicole Langdon2, David Westerveld 2, Marie-Josée Simard3, Martin Laforest3, David Miville4 and Tammy Jones5 Waterhemp (Amaranthus tuberculatus var. rudis) is a relatively new weed in Canadian agriculture cropping systems1. It has been suggested that … Continue reading →

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Weeds to Watch: Invasive Pigweeds – Waterhemp and Palmer Amaranth

Posted on August 17, 2018 by Sean Westerveld

By: Kristen Obeid, OMAFRA Weed Management Specialist – Horticulture Dave Bilyea, Weed Management – Horticulture, University of Guelph, Ridgetown Campus The first line of defense against waterhemp and palmer amaranth is proper identification.  It is EXTREMELY difficult to identify waterhemp … Continue reading →

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