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Tag Archives: Diseases
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
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
Basil Downy Mildew Update – June 27, 2018
There have been no official reports of basil downy in field grown basil so far this year. However, basil downy mildew is usually present to some extent on greenhouse grown basil in garden centers in the spring. Often the disease … Continue reading
Final Re-evaluation Decisions for Mancozeb and Iprodione: All Uses on Ginseng Cancelled
The Pest Management Regulatory Agency of Health Canada has issued its final decisions on the re-evaluations of mancozeb products (e.g. Dithane, Manzate, Penncozeb, Kingpin) and iprodione (Rovral). All applications of these products to ginseng are being cancelled. Application of these … Continue reading
Posted in Ginseng, Ginseng Pest Management
Tagged Diseases, Ginseng, Pest Control Products
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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
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
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
Posted in Ginseng, Ginseng Pest Management
Tagged Diseases, Fungicide, Ginseng, sprayer
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