Tag Archives: weed management

Control of Scentless Chamomile in Ginseng

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.

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

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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Command Herbicide Registered for Use on Cilantro

Modified from an article written by Jim Chaput, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of minor use label expansion registrations for Command 360 ME Herbicide for management of labeled weeds on … Continue reading

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Mulch Ado About Weeds: Management Strategies for Hops

Hop production acreage is increasing in Ontario and with expanding production come questions on weed management. Weed management is important around the base of the hop bine to decrease competition for nutrients and moisture.  Excessive weed growth can also restrict … Continue reading

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