UC Ag Experts Talk: Blight Phase of Botryosphaeria Disease of Pistachio & Walnut and its Management

Dr. Themis Michailides discussed diseases caused by Botryosphaeria fungi and how they have become a major problem in nut crops (almond, pistachio, and walnut) and other tree crops in California. Significant research has been completed in these serious diseases over a span of 20 years. He focused on the blight phase of the disease that results in infection of the fruit and reduction of yields. In addition, historical approaches to managing this disease were discussed.
The webinar was recorded on October 25, 2023 and targeted to growers and pest management professionals. For Master Gardeners and others serving home environments, please note that management methods, especially any pesticides mentioned, are not to be used without a clear understanding of their legal use. Continuing Education credits are not available for recorded webinars. Closed captions are being reviewed for accuracy and will be corrected as necessary.
Speaker: Dr. Themis Michailides, Plant Pathologist with the University of California at Davis and the Kearney Agricultural Research and Extension Center.
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