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Determining the Time Branches on Living Trees Have Been Dead

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Two methods are commonly used to determine the number of years a branch on a living tree has been dead. One method involves the determination of the difference between the number of rings in the trunk and the number at the base of the branch. The second method involves the determination of the number of rings of callus which develop on the trunk after the death of the branch. The former method has been found to be quite inaccurate, the latter quite accurate and therefore to be recommended where a high degree of accuracy is essential.

Document Type: Journal Article

Affiliations: Civilian Conservation Corps and Division of Forest Pathology, Bureau of Plant Industry, U. S. Department of Agriculture, maintained at Albuquerque, N. Mex., in cooperation with U. S. Forest Service

Publication date: 1939-12-01

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.

    2015 Impact Factor: 1.476
    Ranking: 22 of 66 in forestry

    Also published by SAF:
    Forest Science
    Other SAF Publications
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