Author Archives: Sean Westerveld

About Sean Westerveld

Ginseng and Medicinal Herbs Specialist, OMAFRA

Managing Winter-Damaged Lavender

This past winter has resulted in significant damage to most lavender cultivars of both Lavandula angustifolia and Lavandula x intermedia (lavandins). Even plants that had row cover on them had damage. The damage to the top of plants is most … Continue reading

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Early Season Management of Phytophthora in Ginseng

After a very wet late summer and fall last year, Phytophthora root rot probably had a chance to spread within low areas of ginseng gardens. Combined with the wet conditions we are currently experiencing, management of Phytophthora leaf blight and … Continue reading

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2019 IPM Workshops Now Offering CEU Credits

The following FREE workshops are now offering CEUs to Certified Crop Advisors. Sign-up sheets will be available at each session. These workshops are for those who will be scouting horticultural crops this year or looking to refresh their IPM knowledge. To … Continue reading

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Ensuring a Long Storage Life of Dried Ginseng Roots

Due to a slow selling season this year, some growers may be hanging on to roots for an extended period for future sale. If handled properly, dried ginseng roots should have a long storage life. There is minimal scientific information … Continue reading

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OMAFRA IPM Scout Training Workshops for 2019 (Incl. Ginseng and Hazelnuts)

These workshops are available for those who will be scouting horticultural crops this year. To register, please contact OMAFRA’s Agricultural Information Contact Centre at 1-877-424-1300.

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Apron Maxx RTA Seed Treatment Registered for Use on Ginseng

The Pest Management Regulatory Agency (PMRA) recently announced the approval of an URMULE registration for Apron Maxx RTA seed treatment for the control of seed rot/pre-emergence damping-off, post-emergence damping-off and seedling blight caused by Fusarium spp., Pythium spp., and Rhizoctonia … Continue reading

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Confine, Rampart and Phostrol Fungicides Registered for Suppression of Downy Mildew and Pythium Root Rot on Greenhouse-Grown Basil

By: J. Chaput, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of URMULE registrations for ConfineTM, Rampart® and PhostrolTM Fungicides for suppression of downy mildew and pythium root rot on greenhouse-grown basil in … Continue reading

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