Category Archives: Ginseng Pest Management

Ginseng Crop Update – July 14, 2017

We have had about 36 straight hours of leaf wetness over the past two days. This combined with heavy downpours and moderate temperatures both day and night are perfect conditions for the development of foliar Phytophthora. Re-application of foliar fungicides … Continue reading

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Ginseng Crop Update – June 23, 2017

While the amount of rainfall has been highly variable across the ginseng growing area, all areas have received periodic showers this week that has resulted in long periods of leaf wetness. Foliar Phytophthora is still active in several farms and … Continue reading

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Ginseng Crop Update – June 8, 2017

Over the past week there have been confirmations of both foliar and root Phytophthora, Alternaria on stems and leaves, active grub feeding, leafrollers, and slugs. Many of these issues are not too surprising for this time of year. Foliar Phytophthora … Continue reading

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Ginseng Crop Update – May 26, 2017

As experienced growers will already know, the risks of all foliar diseases of ginseng along with Phytophthora root rot are high following the heavy rains. Ensure protection from foliar and root Phytophthora, Alternaria and Botrytis at this time. ┬áDisease pressure … Continue reading

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Laboratory Diagnosis of Ginseng Diseases and Nematodes

Throughout the summer growers often come across various unknown diseases and disorders that require diagnosis. In addition, growers often want to have new land tested to know if it is suitable for growing ginseng. I thought it would be good … Continue reading

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Ginseng Crop Update – May 12, 2017

Temperatures will be finally warming up next week and become more humid as well. With frost damage in some gardens this will greatly increase the risk of Alternaria and Botrytis. If there is any frost damage in a garden, now … Continue reading

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Ginseng Crop Update – May 4, 2017

As I am sure growers are aware, there is a significant amount of rain in the forecast over the next few days. This added to already saturated ground could cause drainage issues and ponding in ginseng gardens. For many growers, … Continue reading

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