UGA Extension Viticulture Blog

Pesticide Credits Available for March 14th Pest Management Workshop

Georgia pesticide license credits will be available for attendees of the March 14th workshop in Tiger, GA. Details here: 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….
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Late winter pruning, frost protection, and timely disease and weed management

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…
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Small Fruits Newsletter – grape chores

Please see this PDF for a list of timely “grape chores” that are published quarterly in the Small Fruits Newsletter from the Southern Region Small Fruits Consortium ( UGA Extension Viticulture Team members Dr. Phil Brannen and Mr. Wayne Mitchem have both contributed to this edition’s grape chores.  We thank…
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Grapevine Trunk Diseases Review

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…
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Crown Gall Symptoms

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…
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Pierce’s Disease Action Items

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….
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