Category Archives: Ginseng Pest Management

Ginseng Crop Update – August 3, 2018

The weather has been mostly cloudy and very humid for most of the past week. Combined with moisture stress and previous or continued damage from Alternaria, this has led to the development of Botrytis blight. The humid conditions have allowed … Continue reading

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Ginseng Crop Update – Dealing with Lingering Alternaria July 18, 2018

Alternaria leaf and stem blight continues to be an issue in the ginseng industry this year. Much of the symptoms occurring now are due to damage earlier in the year, but active disease is still present in some gardens. In … Continue reading

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Ginseng Crop Update – June 22, 2018

Following heavy rains in many areas earlier this week, many ginseng gardens were flooded, at least temporarily. With the potential for three days of wet weather this weekend the risk of Phytophthora will be greatly increased. The risk will be … Continue reading

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Sampling for Plant Parasitic Nematodes in Ginseng

Reports of nematode damage on ginseng seem to be increasing lately. As I wrote on this blog last year, some of the damage thought to be nematode damage is actually due to other causes. When there have been reports of … Continue reading

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Ginseng Crop Update – June 1, 2018

With the hot, humid weather over the past few days, Alternaria is reportedly showing up in many older gardens. Most of the damage is within the canopy and along the stems. This is where it is most difficult to reach … Continue reading

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Ginseng Crop Update – May 25, 2018

Although ginseng emergence was slow this year, weather conditions have been ideal over the past few weeks for emergence and development. However, it is important keep an eye out for foliar Phytophthora, which usually shows up around this time each … Continue reading

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Ginseng Crop Update May 11, 2018

Ginseng plants are finally beginning to emerge through the straw. There has been a lot of shade damage in some fields due to the wind storm on May 4. For growers with extensive damage that is not fully repaired yet, … Continue reading

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