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Variation in Longleaf Pine From Several Geographic Sources

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Seed of Pinus palustris Mill. was collected from 14 widely separated areas in 1951 and 1955, and plantings of this seed were established near the same areas. After 10 years, well-defined patterns of variation were displayed in initiation of height growth, total height, volume, and infection by brown spot and fusiform rust. Trees from southern Florida performed poorly in all plantings. Gulf Coast trees from southern Mississippi, southern Alabama, and western Florida grew faster than other trees in plantings 150 miles north and 250 and 300 miles east and west of the point of origin. Farther north and west, trees of more local origin performed as well as or better than those from the central Gulf Coast. Planters may find it desirable to move seed of central Gulf Coast origin slightly north, to take advantage of the increased growth rate. Forest Sci. 16:28-42.

Keywords: Pinus palustris; Scirrhia acicola; clinal variation; edaphic ecotype; genotype X environment interaction; provenance test; seed collection zone

Document Type: Journal Article

Affiliations: Research Forester (retired), Southern Forest Exp. Sta., Forest Service, U.S. Dep. Agr., New Orleans, La.

Publication date: March 1, 1970

More about this publication?
  • Forest Science is a peer-reviewed journal publishing fundamental and applied research that explores all aspects of natural and social sciences as they apply to the function and management of the forested ecosystems of the world. Topics include silviculture, forest management, biometrics, economics, entomology & pathology, fire & fuels management, forest ecology, genetics & tree improvement, geospatial technologies, harvesting & utilization, landscape ecology, operations research, forest policy, physiology, recreation, social sciences, soils & hydrology, and wildlife management.
    Forest Science is published bimonthly in February, April, June, August, October, and December.

    2015 Impact Factor: 1.702
    Ranking: 16 of 66 in forestry

    Also published by SAF:
    Journal of Forestry
    Other SAF Publications
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