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    Author(s): Robert D. McReynolds
    Date: 1971
    Source: Res. Note SE-155. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.
    Publication Series: Research Note (RN)
    Station: Southeastern Forest Experiment Station
    PDF: View PDF  (100 KB)

    Description

    Oleoresin viscosity was measured in slash pine (Pinus elliottii var. elliottii) trees of known genetic origin over a 1-year period. A strong broad-sense heritability of this trait was found. Seasonal variation followed a definite pattern, with the highest viscosities occurring in early spring and a gradual decline occurring in late spring and summer. This decline began earlier at the 1-foot sampling level than at the 6- or 11-foot levels. Aspect from which samples were taken did not affect viscosity.

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    Citation

    McReynolds, Robert D. 1971. Heritability and Seasonal Changes in Viscosity of Slash Pine Oleoresin. Res. Note SE-155. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.

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