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    Author(s): Richard H. Smith
    Date: 1967
    Source: Res. Note PSW-RN-135. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 14 p
    Publication Series: Research Note (RN)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (0 B)

    Description

    Xylem resin samples, obtained from 72 freshly cut pine stumps at the Institute of Forest Genetics, Placerville, Calif., were analyzed for monoterpenes by gasliquid chromatography. Very little or no qualitative or quantitative variation could be attributed to annual ring, time of securing sample, and period of storage of sample up to 1 year. The 34 hybrids sampled generally had resin properties that were intermediate between those of their parents. Several pines had terpenes whose presence hitherto has been unreported.

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    Citation

    Smith, Richard H. 1967. Monoterpene composition of pine species and hybrids...some preliminary findings. Res. Note PSW-RN-134. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. 14 p

    Keywords

    intraspecific variation, geographic variation, chemotaxonomy, gas chromatography, monoterpenes, Pinus

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