Category Archives: Ginseng Pest Management

Ginseng Crop Update – Early Season Pest Control – April 24, 2026

Posted on April 24, 2026 by Sean Westerveld

Temperatures have continued to be above normal despite the cool down earlier this week. As of April 23, we have accumulated 156 GDD (base 5), which is normally reached on May 6. Based on the current forecast, crop progress may … Continue reading →

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Ginseng Crop Update – Spring Emergence and Product Updates – April 12, 2026

Posted on April 13, 2026 by Sean Westerveld

This is the first crop update of the 2026 growing season. Emergence and Growing Degree Days Accumulated Growing Degree Days (Base 5°C) at Delhi up to April 12 are 5 days ahead of the 25-year average, which suggests crop emergence … Continue reading →

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Register Now for 2026 OMAFA IPM Workshops incl. Ginseng and Hazelnuts

Posted on April 13, 2026 by Sean Westerveld

Registration is now open for many of the OMAFA Integrated Pest Management (IPM) workshops. Workshop options of in-person, hybrid or virtual only will vary depending on the session and noted below.  To register, please follow the registration link or call … Continue reading →

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Kenja® Fungicide label expanded via Minor Use Program to help manage Cylindrocarpon root rot on Ginseng in Canada

Posted on February 4, 2026 by Sean Westerveld

By Josh Mosiondz, Minor Use Coordinator, OMAFA The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for Kenja® Fungicide for control cylindrocarpon root rot in Canada. Kenja® Fungicide was already labeled for … Continue reading →

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Best Sanitation Practices During Ginseng Seed Harvest, Processing, and Storage

Posted on August 19, 2025 by Sean Westerveld

Most ginseng growers harvest and store their own seed for their subsequent plantings. During the process, ginseng seed can be contaminated with pathogens that can rot the seed in storage and/or transmit pathogens to the new garden. It is important … Continue reading →

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Ginseng Crop Update – Ginseng Leaf Folders are Re-Emerging – July 25, 2025

Posted on July 25, 2025 by Sean Westerveld

Given the more severe outbreaks of leaf folders (Zigzag Herpteogramma – Herpetogramma thestealis) over the past couple of years, we have been tracking their progress over the year to get a better understanding of their life cycle. This week, our … Continue reading →

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