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This publication reviews the results of a survey conducted to assess the distribution of grapevine leafroll-associated viruses (GLRaV) and grapevine red blotch virus (GRBV) in North Carolina. It provides information on identifying disease symptoms, collecting samples, submitting samples for virus testing, and best grapevine virus management practices for new vineyards and established mature vineyards.
This publication gives an overview of sour-rot management in European-style grapevines in North Carolina. We explain what the causes of sour rot, show pictures, discuss susceptible cultivars and give management recommendations.