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Gum Flow from Turpentine Pines Inoculated with the Pitch-Canker Fusarium

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Abstract:

Application of a method of prolonging adequate flow of oleoresin from wounded slash and longleaf pine, and reducing the frequency of chipping required, can increase the efficiency of gum production by reducing labor costs. Treating fresh wounds with sulfuric acid is one way to do this. It has been suggested that inoculation with a fungus might further prolong the flow from treated wounds. The study indicates that the initial flow of gum from wounds on slash pine may be prolonged at an adequate rate for an average period of 5 weeks by inoculating the wound with the pitch-canker fungus. Later rechipping and reinoculation induced adequate flow for 3 weeks per treatment. In longleaf pine the initial flow averaged 3 weeks, and flow from the later treatments seldom lasted more than 2 weeks. Safe and economically sound practical uses for this fungus in naval stores practices may perhaps be found as a result of further investigation.

Document Type: Journal Article

Affiliations: Research Forester, U. S. Forest Service, stationed at the Lake City branch of the Southeastern Forest Experiment Station, Lake City, Fla.

Publication date: November 1, 1949

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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