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    Author(s): James P. Barnett
    Date: 1976
    Source: Res. Pap. SO-122. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 11 p.
    Publication Series: Research Paper (RP)
    Station: Southern Forest Experiment Station
    PDF: View PDF  (99 KB)

    Description

    If slightly reduced yields and viability are acceptable, loblolly and slash cone collections can begin 2 to 3 weeks before maturity if the cones are stored before processing. Longleaf(P. palestris Mill.) pine cones should be collected only when mature, as storage decreased germination of seeds from immature cones. Biochemical analyses to determine reducing sugar contents of seeds and x-rays to determine if the seedscoats are filled show promise as seed maturity indices.

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    Citation

    Barnett, James P. 1976. Cone and Seed Maturation of Southern Pines. Res. Pap. SO-122. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 11 p.

    Keywords

    Pinus palestris, P. taeda, P. elliottii, germination, biochemical composition, cone specific gravity, cone storage

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