Recent Posts
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I recently had questions at a grower meeting about several aspects of powdery mildew management. I am currently attending an international meeting on powdery mildew, so it is very helpful to have my opinions supported by true experts in the field of powdery mildew management. Relative powdery mildew, the following comments may help you in…
Posted in: Pest management Guidelines -
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 severely fed on by Japanese…
Posted in: Pest management Guidelines -
Veraison is here in many parts of GA – see the 10-day-old photo of a Merlot cluster (below) for proof. Though I was not in Georgia for the previous veraison period, I know that veraison is a bit ahead of schedule this year. This is usually a welcomed occurrence as this could mean that harvest will follow suit. However,…
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THIS IS A REMINDER TO PLEASE REGISTER FOR THE UGA EXTENSION NEW GRAPE GROWER’S CONFERENCE, TO BE HELD ON AUGUST 16, 2017 AT CRANE CREEK VINEYARDS IN YOUNG HARRIS, GA. This conference is a exactly one month away from today, and is intended for both those looking to join the grape and wine industry, but…
Posted in: Events -
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 eggs at the base of…
Posted in: Pest management Guidelines -
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, careful observation of the foliage…
Posted in: Services -
We obviously don’t have to worry about a dry environment at this time in Georgia, but as a learning point, I will share this photo with you (expand it to see the symptoms). This shows how severe powdery mildew can be in a relatively dry environment (Lodi, CA). Stephanie Bolton, a previous Ph.D. student who…
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We talked about crop load management at the recent mid-season vineyard workshop at Wolf Mountain Vineyards and Winery. Whether you were there or not, I hope this will serve as good food for thought if you are considering crop thinning. Depending on variety, site, and local weather patterns, some will be starting veraison within the next week to…
Posted in: Bunch Grapes -
We had a great meeting last week. As requested, here is a copy of the insect pest control presentation from the mid-season wine grape workshop
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I had a request for a copy of the disease control PowerPoint from the mid-season wine grape workshop. Please see attached. I hope it will be of value as a review for those who were there, as well as a good resource for those who were not there. Mid- to Late-Season Wine Grape Diseases Presentation