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  1. Cambial dieback and taphole closure in sugar maple after tapping

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    Author(s): Carter B. Gibbs; H. Clay Smith
    Date: 1973
    Source: Research Note NE-155. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.
    Publication Series: Research Note (RN)
    Station: Northeastern Research Station
    PDF: Download Publication  (376.19 KB)

    Description

    Dead cambial tissues adjacent to tapholes were found to be elliptical in shape and to average 1.6 inches in length and 0.2 inch in width. Chemical and physical treatments designed to stimulate the growth of callus tissues surrounding tapholes were not successful. Nearly all the tapholes, both treated and untreated, had closed after three growing seasons.

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    Citation

    Gibbs, Carter B.; Smith, H. Clay. 1973. Cambial dieback and taphole closure in sugar maple after tapping. Research Note NE-155. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.

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