Tag Archives: herbicide

Ginseng Crop Update – May 25, 2023

Posted on May 25, 2023 by Sean Westerveld

It looks like most areas escaped a frost last night, mostly due to a breeze that continued all night that mixed up the air. There is a slight risk again tonight with calmer air, but forecast dewpoints are +1C for … Continue reading →

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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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What to Expect from Herbicides in Cold Weather — ONvegetables

Posted on May 8, 2020 by Sean Westerveld

Kristen Obeid, OMAFRA Weed Management Specialist – Horticulture I’ve been getting a lot of questions on how well certain herbicides will work in our colder than normal weather. There is no question that cold weather will impact post emergent herbicide … Continue reading →

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Herbicide Screening Trials for Ontario Grown Quinoa

Posted on April 26, 2016 by Evan Elford

Early season weed management is a limiting factor for quinoa production in Ontario. Currently there are no registered herbicides for use on the crop in Canada which is a concern for the commercial development of locally produced quinoa.    In 2015, … Continue reading →

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