Association of a DNA virus with Grapevines affected by Red Blotch disease in 1 California . 2 3

  title={Association of a DNA virus with Grapevines affected by Red Blotch disease in 1 California . 2 3},
  author={Maher Al Rwahnih and Ashita M Dave and Mike Anderson and Adib Rowhani and Jerry K. Uyemoto and Mysore R. Sudarshana},
14 In the Napa Valley of California, vineyards of Cabernet Franc (CF) clone 214, Cabernet 15 Sauvignon clone 337 and Zinfandel clone 1A (Z1A) with grapevines exhibiting foliar symptoms 16 of red blotches, marginal reddening, and red veins, that were accompanied by reduced sugar 17 accumulation in fruits at harvest, were initially suspected to be infected with leafroll-associated 18 viruses. However, reverse transcription-polymerase chain reaction tests were negative for all 19 known leafroll… CONTINUE READING


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