Tag Archives: Diseases

Presidio Fungicide Registered for Use on Ginseng and Tobacco

By: Jim Chaput, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of URMULE registrations for Presidio® Fungicide for control of various diseases on potatoes, ginseng, leafy brassica greens, tobacco and greenhouse ornamentals in … Continue reading

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Upcoming Ginseng Meetings November 28, 2016

Ginseng Pesticide and Research Prioritization Meeting Ginseng growers, researchers and industry representatives are invited to attend the annual Ginseng Pesticide and Research Prioritization Meeting Where: Simcoe Research Station Auditorium When: Monday, November 28 Time: 9:00 am to 12:00 pm This is … Continue reading

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Phytophthora Root Rot of Lavender: Management on Transplants

This is the time of year that many orders go into propagators for next year’s lavender planting.  Over the past two years there have been many reports of Phytophthora root rot on lavender, and many of these reports can be … Continue reading

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Phytophthora Root Rot of Lavender: Overwintering Potential

Last year there were several reports of Phytophthora root rot on lavender across southern Ontario and much of the United States. Symptoms of Phytophthora root rot begin as sections of plants wilting down in the middle of the growing season, … Continue reading

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Ginseng Crop Update – August 19, 2016

The hot and dry weather in early August has resulted in a number of issues in ginseng gardens. These issues include poor berry development, premature senescence, discolouring of leaves due to various root diseases and probably poor root growth. Recent … Continue reading

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Ginseng Crop Update – July 29, 2016

This is the time of year that ginseng leaves may show early senescence or discolouration due to root diseases. Red discolouration is usually a sign of advanced root rots like Cylindrocarpon or Phytophthora, whereas early purpling of the leaves can … Continue reading

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Ginseng Crop Update – July 8, 2016

With the very dry conditions we are currently experiencing, it is extremely important to ensure you are irrigating ginseng enough. This is a critical time of year for root development, since leaves are still healthy and green. Any stress at … Continue reading

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