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  • To my knowledge, no one has attempted to compile data on which grape varieties have been planted in Georgia for commercial wine production — not since wine production came back into the state over 20-30 years ago. For this reason, I have developed a quick survey to collect this information (hit the link below for…

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  • Hello everyone, Thank you to everyone who has already completed the questionnaire. Before I close it down, I just wanted to make sure everyone had a chance to fill it out. I know it is a busy time for you are, so I will make this quick. With grape root borer adult activity coming to…

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  • The attached fact sheet was authored by Annie Vogel, a recent graduate student in the Horticulture Department at the University of Georgia. It is a great synopsis of our current knowledge of sour rot, which continues to be a difficult disease to address in our climate. It is well written and informative.

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  • Are you seeing powdery mildew in your vineyard this season? If so, we would love to sample it, as it could mean that your fungicide program is breaking down due to resistance development in the powdery mildew fungus. One of our graduate students in the University of Georgia Plant Pathology Department, Brooke Warres, is working…

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  • Hello everyone, I know it is a busy time for you are, so I will make this quick. With grape root borer adult activity coming to a close here in Georgia, I wanted to get your input on this tricky pest. Below is a link to a short questionnaire about grape root borer management. If…

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  • You may find this YouTube video to be of interest. With the amount of Pierce’s disease (PD) we are observing lately, we need to consider alternatives to Vitis vinifera and susceptible hybrid cultivars, especially at lower elevations and latitudes throughout Georgia. In light of our need for production of quality grapes in the presence of…

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  • Mark Hoffman (North Carolina State) has developed another webinar that may be of interest to many of you. Please see the link below to find this webinar and related PowerPoints. Enjoy. Link to the webinar: https://grapes.ces.ncsu.edu/grape-diary/webinars-2020/#Harvest

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  • Mark Hoffman (North Carolina State) conducted a webinar on muscadine disease management yesterday. It included extension personnel and producers. If you are interested in a review of muscadine diseases and their management, please go to the link below. I cover all the major diseases of muscadine in my talk, and there is a helpful question…

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  • We will soon be observing symptoms of Pierce’s disease in susceptible grape varieties — Vitis vinifera and some hybrids such as Chambourcin. Unfortunately, winter temperatures have now been mild for several years, so we are seeing an uptick in Pierce’s disease at higher and higher elevations in Georgia and throughout the Southeast. Symptoms normally show…

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  • Disease identification in wine grapes can be confusing, even for the “experts,” so it is good to continually reinforce your knowledge of diseases and their symptoms (spots or discoloration on a leaf for example) and signs (actual pathogen fruiting structures and other tissues you can see with the naked eye or a hand lens) —…

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