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Notes: A Simple Technique for Measuring Oleoresin Exudation Flow in Pines

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Oleoresin is a factor in repelling the attacks of some tree-killing bark beetles. Quantitative characteristics of resin can be estimated in pines by measuring the initial rate of oleoresin exudation flow through a capillary tube inserted in the sapwood. Such measurements are a quick and inexpensive way of evaluating resin potential that may be related to resistance of different trees to certain bark beetles.

Document Type: News

Affiliations: Entomologist, Forest Sciences Laboratory, Pacific Northwest Forest and Range Expt. Sta., Forest Serv., U. S. Dept. of Agric., Corvallis, Oregon

Publication date: 1969-03-01

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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