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Clonal Variation in Monoterpene Hydrocarbons of Vapors of Douglas-fir Foliage

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Monoterpene hydrocarbons in foliage vapors from four Douglas-fir clones, two resistant and two susceptible to deer browsing, were compared by gas chromatographic analyses. Foliage was collected during the winter. Many chemical components were separated, but only 10 monoterpenes were identified. Different methods of sample preparation and vapor collection affected total volatiles and peak ratios, but with all methods tested foliage resistant to browsing produced more terpenes than that from susceptible clones. Results may have application in breeding Douglas-fir resistant to browsing. Forest Sci. 21:63-67.

Keywords: Pseudotsuga menziesii; animal damage; genetic variation

Document Type: Journal Article

Affiliations: Chemist, Pacific Northwest Forest and Range Experiment Station, USDA Forest Service, Olympia, Wash.

Publication date: 1975-03-01

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Average time from submission to first decision: 62.5 days*
    June 1, 2016 to Feb. 28, 2017

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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