Dr. Phil Brannen, Extension Fruit Disease Specialist, Plant Pathology, University of Georgia Many of the fungicides utilized for Botrytis management are no longer efficacious due to resistance development in this fungus. Now is a great time to collect Botrytis samples for fungicide-resistance testing. While the funds last, Botrytis resistance testing…
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Compiled by Doug Pfeiffer, Department of Entomology, Virginia Tech, Blacksburg VA 24061 Spotted lanternfly is a new invasive pest so far restricted to the mid-Atlantic states. As it expands its range, it has entered the northern part (Virginia) of our Southeastern region. It is likely to expand considerably. While grape…
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Vines are generally at peak dormancy this time of year. The recent warm weather in late December/early January makes me question if this is currently true. Cold weather patterns are expected the third week of January. “Roller coaster” patterns of cold-warm-cold can cause the vines to prematurely de-acclimate during late…
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Reflection on past: The 2019 vintage was warm and dry throughout the southeastern (and most of the eastern) U.S. The 2019 vintage was highly divergent from that of the previous two vintages, which were characterized by greater cloudiness and rainfall. Thus, depending on harvest decisions, wines from 2019 may be…
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Compiled by Dr. Elina Coneva, Fruit Crops Extension Specialist and Professor, Department of Horticulture, Auburn University Pierce’s Disease (PD) is a serious threat to the cultivation of grapes in the United States, especially in the warmer southern regions. Recently the UC Davis grape breeding program has developed new European (Vitis…
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Veraison is the transitional period of grape development when grapes begin to soften, and sugars and secondary flavor, color, and aroma compounds begin to accumulate. Grapes are said to be “ripening” starting at veraison. Knowing veraison may help you predict harvest date – especially if you have kept good records…
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