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    Author(s): M.A. Radwan; D.S. DeBell
    Date: 1981
    Source: Res. Note PNW-RN-370. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Range and Experiment Station. 4 p
    Publication Series: Research Note (RN)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (83 KB)

    Description

    Red alder seeds were collected from six locations throughout the natural range of the species. Each seed lot was obtained from a single tree, and the seeds were used to determine germination with and without stratification treatment. Irrespective of treatment, germination varied significantly (P<0.01) by seed lot; it ranged from 59 to 87 percent. Rate of and capacity for germination, however, were not enhanced by stratification. Mature red alder seeds do not require stratification for prompt germination after sowing.

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    Citation

    Radwan, M.A.; DeBell, D.S. 1981. Germination of red alder seed. Res. Note PNW-RN-370. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Range and Experiment Station. 4 p

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    Keywords

    Germination (seed), stratification (seed), red alder, Alnus rubra

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