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    Author(s): Barton M. Blum
    Date: 1963
    Source: Research Note NE-9. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-6
    Publication Series: Research Note (RN)
    Station: Northeastern Research Station
    PDF: View PDF  (564.22 KB)

    Description

    Sudden and excessive exposure of northern hardwood trees often causes growth responses that degrade tree quality, injuries that lead to tree deterioration, or both. The most sensitive and visible tree reaction to increased exposure is the formation of epicormic branches. Such branches may arise along the tree bole from either dormant or adventitious buds in response to some physiological stimulus. Often, but not necessarily always, they are associated with a decline in tree vigor. If they persist, knots develop and log and lumber quality are reduced.

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    Citation

    Blum, Barton M. 1963. Excessive exposure stimulates epicormic branching in young northern hardwoods. Research Note NE-9. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-6

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