July 2020
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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 collected our first grape root borer adults today in one of our pheromone traps in Lumpkin 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…
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I just wanted to alert everyone that spotted wing drosophila (SWD) management timing is approaching soon. The SWD flies are active nearly year round in these parts, but near veraison as the brix levels in wine grapes reach approximately 15 degrees Brix, the grapes become attractive (and thus susceptible) to SWD. While infestation of wine…
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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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