Tag Archives: Diseases

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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Lavender Crop Update – Late Summer Tasks, August 27, 2025

Posted on August 29, 2025 by Sean Westerveld

Irrigation Much of the summer has been hot and dry, a climate that lavender is used to. However, lavender in Ontario may have struggled with moisture stress because root systems are not as extensive as they are in the plant’s … 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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Lavender Crop Update – Bloom and Post-Bloom Considerations – July 18, 2025

Posted on July 18, 2025 by Sean Westerveld

Lavender is in full bloom across the province, and agritourism activities are in full swing. Angustifolia cultivars are nearing the end of bloom in the south, while lavandins are in the early bloom stage. This can cause lavender growers to … Continue reading →

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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 →

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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 →

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