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Notes: Techniques for Distinguishing the Sapwood-Heartwood Boundary in Living Loblolly Pine (Pinus taeda L.)

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Of 20 solutions tested, diazotized benzidine dihydrochloride, 2-methoxyaniline, and fast blue effectively distinguished the sapwood-heartwood boundary in 27-year-old loblolly pine trees. Sapwood-heartwood boundaries identified by UV scanning corresponded to the results indicated by these 3 chemicals. Sapwood thickness was not constant, but was linearly correlated (r = 0.964) with dbh. Forest Sci. 30:756-760.

Keywords: Biological stains; UV scanning; tree vigor

Document Type: Miscellaneous

Affiliations: Department of Forestry, Mississippi Agricultural and Forestry Experiment Station, Mississippi State, MS 39762

Publication date: 1984-09-01

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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