Grapes and Muscadines
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This resource will guide vineyard managers through tissue sampling to determine grapevine nutrition, which is the most reliable way to obtain information to guide fertilization decisions. We cover techniques and considerations to help make sure that vineyards can collect the material efficiently and effectively.
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This 2025 update to the regional integrated pest management guide provides recommendations for muscadine grape production in the Southeastern U.S. Recommendations are based on information from the manufacturer’s label and performance data from research and Extension field tests. This publication is intended for use only as a guide. Specific rates and application methods are on the pesticide label, and these are subject to change at any time.
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Pierce’s disease (PD) may be the greatest threat to the growth and sustainability of wine grape industries in the Southeastern U.S. The first step to managing grapevine PD is understanding the threat of PD as dictated by the region in which vines will be planted. It is highly advised that PD-tolerant cultivars be planted if a vineyard will be established in a region of high PD-threat. Growers should understand that there is a risk of planting Vitis vinifera and other PD-intolerant cultivars in several Southeastern U.S. regions, including the mountain regions of northern Georgia and piedmont regions in North Carolina. If PD-intolerant cultivars are planted, leafhopper vectors should be intensively scouted for and managed, and PD-infected vines should be immediately rogued out of the vineyard.
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B 807
Home Garden Bunch Grapes
Bunch grapes are often called “pod” grapes in rural Georgia since they produce large clusters of fruit. Georgia’s climate is not well-suited to home garden production of European bunch grapes, but American bunch grapes and hybrids between the two species (French hybrids) grow well in Georgia. If grapes are well cared for and sprayed when diseases and insects threaten, you can expect yields of 20 to 30 pounds of fruit per vine.
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B 1490
Vineyard Frost Protection
The vineyard industry is growing across Georgia and across the Eastern United States. Frost is a perennial threat in these regions, and reducing frost risk can save approximately $48,000 per acre in return revenues. Since many growers new to the industry will be planting vineyards, it is important that they are aware of the risk of frost and ways to avoid it. This bulletin also serves as a good reference for current industry members who are unaware of the risk of frost or who want more information on how to manage its risk. This publication covers all aspects of vineyard frost protection, including weather patterns that cause frost/freeze damage, as well as passive and active methods that can be employed to reduce frost risk.
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C 1303
Muscadine Grape Management
This phenology-based muscadine grape management poster provides a reference for sound viticultural, disease, and insect management practices in a digestible format. Produced in cooperation with University of Tennessee, North Carolina State University, University of Arkansas, and Auburn University. A publication of the Southern Region Small Fruit Consortium.
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This 2024 update to the regional integrated pest management guide provides recommendations for muscadine grape production in the Southeastern U.S. Recommendations are based on information from the manufacturer’s label and performance data from research and Extension field tests. This publication is intended for use only as a guide. Specific rates and application methods are on the pesticide label, and these are subject to change at any time.
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SB 48-05
Home Orchard
This section of the Home & Garden Edition covers pest control in home orchards, including apples, peaches, bunch grapes, muscadines, strawberries, blueberries, and other fruits. Beginning in 2022, the Home & Garden Edition has been updated biennially. When purchasing a product based on a first-year recommendation of the Handbook, check the current product label before purchase to be sure it is still labeled for the use for which you are buying it. For pesticide products you have on hand from earlier purchases, you are allowed to use them until they are depleted without penalty under the law. Always follow label instructions before use. Contact the product’s manufacturer for the most up-to-date label.
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C 1274
Blanc du Bois
‘Blanc du Bois’ has made a significant contribution to wine production in southeastern regions where Pierce’s disease is prevalent. Though possessing resistance or tolerance to Pierce’s disease, Phylloxera, and powdery mildew, this cultivar is not without fault, and it does require an intensive integrated pest management (IPM) program. We cover here the major issues observed with this cultivar.
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