Recent Posts
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As a follow up to yesterday’s post on scouting your vineyard for system disease and/or nutrient imbalance symptoms… Grapevine tissue (leaf blades and/or petioles) sampling is a good, objective indicator of nutrient status in your vineyard. Many southeastern US vineyards will be entering veraison over the next couple weeks. Veraison (commencement of ripening, sugar accumulation,…
Posted in: Bunch Grapes -
As vines enter veraison, there is a shift in resource (nutrients, carbon) allocation from the canopy toward the ripening fruit. The result is can be a manifestation of nutritional and systemic disease (viral, bacterial) symptoms in canopies of deficient and/or infected vines. Please be on the look out for symptomatic vines as you scout your…
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Good evening everyone, I have another post that may seem scary, but there is no need for panic…yet. As many of you have probably already heard, the spotted lanternfly (SLF) is the latest non-native species to invade the U.S. This insect is not a fly, but is actually a large, brightly colored planthopper, about a…
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Now that grape harvest is starting, Cain asked me to provide some general weather updates that you can use for planning purposes for the next few weeks. I’ll try to provide a general overview of what to expect about twice a week. Today we are seeing the passage of a rare summer cold front through…
Posted in: Weather -
Hello everyone, I don’t want to cause any unwarranted panic, but there has been a report of a substantial mite infestation in a vineyard block in North Georgia. Nothing a little miticide can’t handle, but I wanted to remind everyone was aware that mites can be a problem, especially as the weather continues to heat…
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All: A kind reminder to please help us out by taking this sour rot survey. Your responses can help us make a case that research is highly needed to further investigate optimal management methods for this devastating disease. Here is the text from the previous post: As we enter veraison this vintage, it is timely…
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We collected our first grape root borer adults today in one of our pheromone traps in White County, Georgia. This means that the adults have started 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 eggs at the…
Posted in: Uncategorized -
As we enter veraison this vintage, it is timely to ask y’all to please consider helping us by answering this short survey on grape sour rot. Sour rot has been devastating in many cases over the last two ripening periods. We still have LOTS to learn about refining sour rot management. Answering questions in this…
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The latest forecasts for July and beyond came out over the weekend. They show that all of Georgia is expected to be warmer than normal in temperature for the month of July. This trend is expected to continue through fall. Most of the trend is due to the long-term increases in temperature we are seeing…
Posted in: Weather -
From Brooke Warres, graduate student in Plant Pathology at the University of Georgia. Powdery mildew, caused by the fungus Erysiphe necator, has been found at the UGA Mountain Research Station in Blairsville, GA. The disease was observed on an untreated vine in a fungicide trial. Make sure that your current spray program includes active fungicides…