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Douglas-Fir Sapwood Starch In Relation to Log Attack By The Ambrosia Beetle, Trypodendron

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Starch in the sapwood of living Pseudotsuga menziesii (Mirb.) Franco varies considerably in amount during the year, with maximum and minimum quantities in early spring, and late summer, respectively. In cut logs, it slowly decreases in quantity over a period of many weeks. Logs with relatively much starch are not attacked by Trypodendron lineatum (Oliv.). Logs selected by the beetles have little or no starch, but many unattacked logs also contain little or no starch; there does not, therefore, appear to be a direct relationship between starch and log attractiveness.

Document Type: Journal Article

Affiliations: Research Officer, Technician, and Control Officer, Forest Entomology and Pathology Laboratory, Victoria, B.C.

Publication date: 1963-12-01

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

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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