UGA Extension Viticulture Blog

Outlook for August and Aug-Sep-Oct shows likelihood of above normal temperatures

NOAA’s Climate Prediction Center releases monthly climate outlooks in mid-month showing one-month and three-month outlooks for temperature and precipitation.  They are probabilistic forecasts, which means they tell you the likelihood of above, near or below normal conditions but not how extreme they might get. For example, in the one-month temperature…
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Bird & Mammal Prevention/Deterrence

Please let me introduce myself.  My name is Mike Mengak and I am a Professor & Wildlife Outreach Specialist in the Warnell School of Forestry & Natural Resources at the University of Georgia.  Our Viticulture Extension Specialist – Dr. Cain Hickey – has invited me to join the “Viticulture Team”. …
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Japanese beetle management reminder

With veraison upon us, I just wanted to remind everyone about the continued threat from Japanese beetles. The adult beetles feed on the soft leaf tissue between veins, which often results in a skeletonized appearance. Below are images from Petit Verdot that Cain observed recently in Virginia that have been…
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Grape root borer detection

We collected our first grape root borer adult in one of our pheromone traps in North Georgia. This means that the adults are beginning to emerge from the soil out of their pupal stage. For the next few weeks the adults will emerge, mate, and the females will lay their…
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Soil and Plant Tissue Sampling in Vineyards

Like most perennial plants, the nutritional requirements of grapevines are best evaluated through a combination of soil testing, tissue analysis, observations, and past experience. Soil tests can give growers information about soil pH and basic nutrient levels in the vineyard. To ensure that your grapevines are taking up sufficient nutrients,…
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Update on Viticulture blog

Dear subscribers, Apologies in advance. I made two new posts to my blog on two recent dates – May 10 and May 13.  You were not notified because I failed to complete a form associated with the email alerts to subscribers.  I have hopefully fixed that now. I send this message…
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