Category Archives: Ginseng

Ginseng Pesticide and Research Prioritization Meeting Dec. 5, 2019

Ginseng growers, researchers and industry representatives are invited to attend the annual Ginseng Pesticide and Research Prioritization Meeting. ***Due to construction at the Simcoe Research Station, please note the change of venue for this year.***  Where: ST. WILLIAMS COMMUNITY CENTRE, … Continue reading

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Think You Have a Root Lesion Nematode Problem in Your Ginseng? Think Again

We constantly get reports of significant root lesion nematode problems in ginseng, mostly based on the appearance of rusty symptoms and/or constrictions on roots. However, when ginseng fields are tested for nematodes beyond ginseng germination, we rarely can find any … Continue reading

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Managing Multiple Diseases at Once in Ginseng – Crop Update, June 20, 2019

This has been a challenging year for disease management in ginseng. In addition to the earlier issues with root diseases, especially Phytophthora, we are now dealing with high pressures of Alternaria (Figure 1) and Botrytis (Figure 2). It can be … Continue reading

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Managing Phytophthora Leaf Blight – Ginseng Crop Update – May 31, 2019

The persistent wet and cool conditions have resulted in very high risk of foliar Phytophthora. After the wet conditions last fall and this spring, there is a high amount of inoculum of Phytophthora in low areas in most gardens. When … Continue reading

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Fumigation Best Practices for Ginseng

This is the time of year ginseng growers prepare new land for fumigation. Based on the numerous trials OGGA and OMAFRA have conducted over the past 8 years on fumigation, proper preparation and sealing of the fumigant into the soil … 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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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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