Category Archives: Ginseng Pest Management

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 →

Posted in Ginseng, Ginseng Pest Management | Tagged , , , , | Leave a comment

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 →

Posted in Ginseng, Ginseng Pest Management, Ginseng Production | Tagged , , , , , | Leave a comment

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 →

Posted in Ginseng, Ginseng Pest Management | Tagged , , | Leave a comment

Ginseng Crop Update – Dealing with Heat – July 18, 2025

Posted on July 18, 2025 by Sean Westerveld

Although some cooler weather has temporarily arrived, we are currently experiencing a hot stretch that may continue again next week. Many areas have also been very dry, with only 43 mm of rain having fallen at the Delhi Weather Station … Continue reading →

Posted in Ginseng, Ginseng Pest Management, Ginseng Production | Tagged , , , , , | Leave a comment

Ginseng Crop Update – Pests – June 20, 2025

Posted on June 20, 2025 by Sean Westerveld

Alternaria After a prolonged cool and damp (but not wet) period, temperatures are about to rise dramatically. Combined with some frost damage and canopy stunting due to the long, cool period, this will greatly increase the risk of Alternaria leaf … Continue reading →

Posted in Ginseng, Ginseng Pest Management | Tagged , , , , | Leave a comment

Ginseng Crop Update – Frost, Rhizoctonia, and Leaf Folders – May 30, 2025

Posted on May 30, 2025 by Sean Westerveld

Frost In the last crop update, I commented on how much colder the temperatures were at Delhi than the forecast the night before. Since then, there have been several nights with temperatures several degrees Celsius colder at Delhi than at … Continue reading →

Posted in Ginseng, Ginseng Pest Management, Ginseng Production | Tagged , , , | Leave a comment