UGA Extension Viticulture Blog

Shoo fly, don’t bother me…SWD in wine grapes

As the brix levels in the grapes continue to rise, the attractiveness of the fruit to spotted wing drosophila (SWD) also increases. We are currently only catching a few SWD in our monitoring traps, but this is expected to drastically increase in the next few weeks. And since SWD is…
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Grape root borer – REMINDER

We are still detecting grape root borer adults in north Georgia. This means that the adults are still active, with females potentially still laying eggs. While we are getting a little late for chemical control, if you have more than 35 days before harvest, you can use Lorsban 4E* (chlorpyrifos).This is…
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The Japanese beetles are coming…

The time is upon us once again. Japanese beetles have been documented in vineyards in western GA. They are only just beginning to emerge, so their numbers will increase dramatically over the next few weeks. In large enough numbers, Japanese beetles can be a severe pest of grapes during the…
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Spotted Wing Drosophila Webinar

Concerned about spotted wing drosophila and want to learn more about their control? The national research team will be presenting a webinar series on on Feb. 23, 2018, from 12 to 1 p.m. The webinar will include an overview of spotted wing drosophila research, an update on the native biocontrol agents that have…
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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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