Dwarf mistletoes on western white pine and whitebark pine in northern California and southern Oregon

Robert L Mathiasen, F. G. Hawksworth

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Pinus monticola is a principal host of Arceuthobium californicum in the Siskiyou Mountains, and suffers extensive mortality in some stands. Whitebark pine P. albicaulis is a principal host and western white pine is a secondary host for A. cyanocarpum in N California. Mortality of whitebark pine caused by this dwarf mistletoe on Mount Shasta, California, is as high as 58%. Western white pine is occasionally infested in A. tsugense infested mountain hemlock stands in California and S Oregon. However, no infection of western white pine occurred in A. tsugense-infested western hemolock stands in S Oregon, indicating there are physiologically distinct races of A. tsugense parasitizing western hemlock Tsuga heterophylla and mountain hemlock T. mertensiana. -from Authors

Original languageEnglish (US)
Pages (from-to)429-440
Number of pages12
JournalForest Science
Volume34
Issue number2
StatePublished - 1988

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Santalales
Tsuga mertensiana
Pinus
mountain
mortality
Arceuthobium
Pinus albicaulis
Pinus monticola
Tsuga heterophylla
intermediate hosts
parasitism
mountains
infection

ASJC Scopus subject areas

  • Forestry
  • Plant Science

Cite this

Dwarf mistletoes on western white pine and whitebark pine in northern California and southern Oregon. / Mathiasen, Robert L; Hawksworth, F. G.

In: Forest Science, Vol. 34, No. 2, 1988, p. 429-440.

Research output: Contribution to journalArticle

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