Category Archives: Ginseng Pest Management

Fungicide Resistance in Alternaria? Ginseng Crop Update July 17, 2020

Posted on July 17, 2020 by Sean Westerveld

With the persistent heat and dry conditions so far this summer, ginseng is stressed, and root development will be reduced. These conditions are also ideal for Alternaria development and spread. As a result, problems with Alternaria are continuing in many … Continue reading →

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Ginseng Crop Update – Pre-Plant Nematode Management – June 24, 2020

Posted on June 26, 2020 by Sean Westerveld

Ginseng Crop Update Alternaria remains the biggest challenge for most growers. The problem stems from freeze damage/stunting in May and ideal weather conditions for Alternaria – hot and dry with long dew periods. With insufficient rains over the past few … 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 →

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Rovral Re-Evaluation Update

Posted on June 16, 2020 by Sean Westerveld

At the time of publishing the Crop Protection Guide for Ginseng , OMAFRA Publication 847, communications from both PMRA and the registrant of Rovral (FMC) suggested that growers had 3 years from the re-evaluation decision date (up to June 21, … Continue reading →

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Ginseng Crop Update – Alternaria Management – June 5, 2020

Posted on June 5, 2020 by Sean Westerveld

With ginseng plants stressed from prolonged cold and/or freeze damage in many fields, they are more susceptible to foliar diseases including Botrytis and Alternaria leaf blights. Combined with ideal warm, dry and humid conditions for Alternaria, the risk of Alternaria … Continue reading →

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Ginseng Crop Update – Insect Management May 29, 2020

Posted on May 29, 2020 by Sean Westerveld

Now that ginseng canopies will soon be closing, the risk of foliar disease will only continue to increase. Alternaria, Botrytis and Phytophthora blights are all potential issues currently. Continue to protect the foliage from all three diseases, paying particular attention … Continue reading →

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