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    Author(s): Kasten R. Dumroese; James P. Barnett
    Date: 2004
    Source: In: Riley, L. E.; Dumroese, R. K.; Landis, T. D., tech coords. National proceedings: Forest and Conservation Nursery Associations—2003; 2003 June 9–12; Coeur d’Alene, ID; and 2003 July 14–17; Springfield, IL. Proc. RMRS-P-33. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (64 KB)

    Description

    Most container seedlings grown in the southeastern US are outplanted during winter, although 10 to 20% are outplanted during summer. Longleaf pine accounts for more than 80% of all container seedlings produced. Very little information is published on cold hardiness and storage effects on container-grown southern pines and hardwoods. In general, growers attempt to minimize storage time by coordinating extraction with outplanting, particularly during summer outplanting. Seedlings are hand extracted and placed into wax-coated boxes with slits or holes in the sides, either with or without a plastic liner, and placed into cooler storage. Seedlings for summer outplanting are generally stored at 40 to 70 oF (4 to 21 oC) but usually for a week or less. Seedlings extracted in winter (November through January) are kept at cooler temperatures (35 to 50 oF [2 to 10 oC]), sometimes for as long as 3 months. Research on cold hardiness development would be helpful in understanding proper storage conditions and lengths for southern pines.

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    Citation

    Dumroese, Kasten R.; Barnett, James P. 2004. Container Seedling Handling and Storage in the Southeastern States. In: Riley, L. E.; Dumroese, R. K.; Landis, T. D., tech coords. National proceedings: Forest and Conservation Nursery Associations—2003; 2003 June 9–12; Coeur d’Alene, ID; and 2003 July 14–17; Springfield, IL. Proc. RMRS-P-33. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station.

    Keywords

    longleaf pine, slash, loblolly, Pinus palustris, P. elliottii, P. taeda, cold hardiness, hardwoods, research

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