Sudden Oak Death and Phytophthora Ramorum

Sudden Oak Death and Phytophthora Ramorum : A Summary of the Literature 2010 Edition

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Description

An unusual die-off of tanoaks (Lithocarpus densiflorus (Hook. & Arn.) Rehd.) in the Mill Valley/Mount Tamalpais area of Marin County, California, was first documented in April 1995 (Svihra 1999b, 1999c, 2001), when homeowners reported scattered patches of dying tanoaks-with entire crowns dead and with bleeding basal cankers-to Pavel Svihra, University of California (UC) Cooperative Extension. The symptoms were also being reported by arborists and others on nearby tanoaks, including those at Muir Woods National Monument, and farther south in coastal Santa Cruz County and around Big Sur (Monterey County) in the same year. Heavy ambrosia beetle attacks and black fruiting bodies of a Hypoxylon fungus, later identified as Hypoxylon [Annulohypoxylon] thouarsianum (Swiecki 2001), were associated with the dying trees.show more

Product details

  • Paperback | 186 pages
  • 215.9 x 279.4 x 10.67mm | 553.38g
  • Createspace
  • United States
  • English
  • black & white illustrations
  • 1507509294
  • 9781507509296