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    Author(s): M. Thompson Conkle; W. J. Libby; J. L. Hamrick
    Date: 1967
    Source: Res. Note PSW-RN-138. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest and Range Experiment Station. 7 p
    Publication Series: Research Note (RN)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (957 KB)

    Description

    White fir seeds collected from 43 sources were sown at the Institute of Forest Genetics, Placerville, Calif. in 1963. Observations made 3 years later showed that seedlings from northern sources sustained more winter injury than did southern origin seedlings. Seedlings from low elevations were less severely damaged than seedlings from higher elevations in the same general locality.

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    Citation

    CONKLE, M. THOMPSON; LIBBY, W. J.; HAMRICK III, J. L. 1967. Winter injury among white fir seedlings...unusual pattern in seed source study. Res. Note PSW-RN-138. Berkeley, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest and Range Experiment Station. 7 p

    Keywords

    Abies concolor, leaf damage, low temperature, leaf sources, seedling damage, winter injury

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