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    • Phomopsis Cane & Leaf Spot 

      Pscheidt, J. W.; Pearson, R.C. (New York State IPM Program, 1991)
      Phomopsis cane and leaf spot, once known as “dead arm,” is a common disease in most regions of the world where viticulture is practiced. Severely infected leaves are misshapen, yellow, and fall from the vine prematurely. ...