High-Gum-Yielding Slash Pine: Performance to Age 30
Portions of the nation's first slash pine (Pinus elliottii Engelm.) progeny test, planted at Olustee, Florida, were chipped commercially for naval stores and tree volumes were measured up to age 30. Crosses between parents with high gum production yielded an average of 18.4 pounds of gum per tree per year over the 8-year chipping period. Yield for progeny of wind-pollinated average parents was 11.1 pounds of gum per tree per year. Yields were highest if both parents were high yielding trees. High-gum-yielding progeny also produced as much wood as average-yielding progeny. Strains of slash pines with high gum yield are available as 1-0 seedlings from Georgia and Florida state tree nurseries.
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Document Type: Journal Article
Affiliations: Director, Dorena Tree Improvement Center, Cottage Grove, Oregon 97424
Publication date: 1985-02-01
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