Tag Archives: Weeds

Waterhemp: A Spreading Invasive Weed in Ontario and Canada

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

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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Chateau herbicide now registered on sweet potatoes

From Jim Chaput, Minor Use Coordinator, and Melanie Filotas, Specialty Crops IPM Specialist, OMAFRA The Pest Management Regulatory Agency recently announced the approval of Chateau Herbicide for control of weeds on sweet potatoes in Canada. Chateau® Herbicide was already labeled … Continue reading

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