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Filtering by: Subject Christmas trees Remove constraint Subject: Christmas trees Degree Field Botany Remove constraint Degree Field: Botany

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  • Stomatal activity patterns in provenance plantations of Abies concolor and Abies grandis

    Creator:
    Keys, Steven Charles
    Abstract:
    Seedlings from 25 provenances of Abies grandis and Abies concolor were studied at two plantations, 12 at Philomath, Oregon, and 13 at Camino, California. Native seedlings were studied at four of the provenances' field sites. Stomatal infiltration pressure measurements and plant moisture stress measurements were made throughout one summer on...
    Resource Type:
    Masters Thesis
    Full Text:
    provenances. Provenance 20 seedlings are, therefore, recommended to be used as Christmas trees due to their