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Home Publications National Nursery Proceedings 2003 Container Seedling Handling and Storage in the Southeastern States

Container Seedling Handling and Storage in the Southeastern States

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 ∞F (4 to 21 ∞C) but usually for a week or less. Seedlings extracted in winter (November through January) are kept at cooler temperatures (35 to 50 ∞F [2 to 10 ∞C]), 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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Author(s): R. Kasten Dumroese, James P. Barnett

Publication: National Nursery Proceedings - 2003

Event: Western Forest and Conservation Nursery Association Meeting
2003 - Coeur d"Alene, ID