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Juvenile: Mature Correlations in Slash Pine

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Stem growth and oleoresin yield were measured at various ages up to 25 years in a slash pine progeny test. Correlations between measurements taken at 3 and 25 years were weak. But for subsequent measurements (8, 14, and 18 years), the correlations increased rapidly. Findings suggest a relatively short generation interval for advanced generation breeding of slash pine. The greatest genetic gain per year would theoretically be obtained by selecting at 10 years, permitting a generation interval of about 14 years. Forest Sci. 20:225-229.

Keywords: Pinus elliottii; progeny tests; selection; tree breeding

Document Type: Journal Article

Affiliations: Associate Plant Geneticist, USDA Forest Service, Southeastern Forest Exp. Stn, Olustee, Fla. 32072

Publication date: September 1, 1974

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.
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