Pest management Guidelines
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Georgia pesticide license credits will be available for attendees of the March 14th workshop in Tiger, GA. Details here: https://site.extension.uga.edu/viticulture/2018/01/vineyard-pest-management-and-spray-schedule-workshop/ 3 hours of credit will be given for Category 21 Commercial Applicators, and 1 hour will be given for Private Applicators. Please bring your license numbers to complete the CEU forms. Please contact John Scaduto (John.Scaduto@uga.edu)…
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I have received calls/concerns about adjusting pruning practice based on the warm weather patterns we are currently experiencing. The questions really being asked are “when should I final prune?” and “should I delay prune?” given the high potential for yet another relatively early bud break this year. –When to make the final prune (“final prune”…
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I wanted to post a link to the new website for anyone interested in applying for a new private or commercial pesticide license. This link provides the step by step process and has clickable links so anyone can follow. Contact your county Extension office if you have specific questions. Note: Most won’t need a commercial…
Posted in: Pest management Guidelines -
Our second workshop of the year, a vineyard pest and cultural management workshop, will be held on Wednesday, March 14th, 2018. The workshop will be held at Stonewall Creek Vineyards (323 Standing Deer Ln, Tiger, GA 30576), and we extend our appreciation in advance to Carla and Carl Fackler and their crew for hosting this…
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If you are really interested in learning about grapevine trunk diseases, this new journal article is for you (see link). It is a highly scientific article which covers the state of the art relative this topic. We mainly have issues with Botryosphaeria-type diseases, and I include Phomopsis in this category as well. However, we have…
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Crown gall can sometimes be confused with either leaf roll virus or Pierce’s disease. In general, if a plant is a completely brilliant red, this is likely caused by crown gall or some trunk injury. Pierce’s disease and leaf roll viruses can also have reddened leaves or leaf margins, so this is a little confusing…
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Pierce’s disease (PD) is showing up in numerous vineyards on quite a few grape varieties — V. vinifera and hybrids. Vines should be scouted in each vineyard for the three characteristic symptoms of PD: leaf scorch showing marginal chlorosis and necrosis, leafless petioles “match-sticks”, and “green islands” on the canes. In advanced cases, the grapes…
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This information is a out of place relative the season, but I want to share it with you while it is fresh on my mind. Despite a wet year, some producers have experienced significant powdery mildew issues this year — some on the clusters. Powdery mildew contributes to poor grape development, but it also contributes…
Posted in: Pest management Guidelines -
As a follow up to Phil’s earlier post about managing sour rot and spotted wing drosophila (SWD), I just want to mention that grapes are now becoming attractive to SWD, so if you have had issues with SWD and/or sour rot in the past, now is the time to start considering management options. The research…