Tag Archives: herbicide

Ginseng Crop Update – Glyphosate Application Cautions – March 15, 2024

Posted on March 15, 2024 by Sean Westerveld

It should be no surprise that temperatures this winter have been significantly warmer than normal. Crop emergence is on pace to be well ahead of normal, although cooler temperatures over the next couple weeks will hopefully slow that progress. Based … Continue reading →

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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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