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    • Disease and Insect Resistant Ornamental Plants: Pyrus (Pear) 

      Thurn, Mary; Lamb, Elizabeth; Eshenaur, Brian (New York State Integrated Pest Management Program, 2019)
      Pyrus is a large genus of shrubs and trees in the rose family. Pyrus communis, the common or European pear, is grown for its edible fruit. Pyrus calleryana, or Callery pear, originally imported from China to breed fire ...