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A Survey for Grapevine Viruses in Washington State ‘Concord’ (Vitis × labruscana L.) Vineyards

B. W. Bahder, O. Alabi, S. Poojari, D. B. Walsh, and R. A. Naidu

August 2013

Research

Despite what is known about viruses in wine grapes in Washington, virtually no studies have focused on viruses in Concord vineyards. To further understand the epidemiology of viruses in Washington State, a survey of Concord grapes was conducted in 2010 and 2011. Five hundred Concord vines were sampled and tested for the presence of virus, and five different viruses were found among 92 virus-positive samples.

doi:10.1094/PHP-2013-0805-01-RS

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