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    Author(s): Jim Colbert; Matthew Seese; Bradley Onken
    Date: 2002
    Source: In: Onken, B.; Reardon, R.; Lashomb, J., eds. The hemlock woolly adelgid in the eastern United States symposium; 2002 February 5-7; East Brunswick, NJ. East Brunswick, NJ: New Jersey Agricultural Experiment Station and Rutgers University: 323-328.
    Publication Series: Scientific Journal (JRNL)
    Station: Northern Research Station
    PDF: View PDF  (20.76 KB)

    Description

    The impact of hemlock woolly adelgid has been varied among the sites followed in this study of the mid-Atlantic region. It appears that in some sites, the insect has not yet had an impact while in others it has killed or put the hemlock in such a state of severe decline that death is imminent.

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    Citation

    Colbert, Jim; Seese, Matthew; Onken, Bradley. 2002. Hemlock woolly adelgid impact assessment survey. In: Onken, B.; Reardon, R.; Lashomb, J., eds. The hemlock woolly adelgid in the eastern United States symposium; 2002 February 5-7; East Brunswick, NJ. East Brunswick, NJ: New Jersey Agricultural Experiment Station and Rutgers University: 323-328.

    Keywords

    Impact assessment, crown variables, tree vigor, dieback

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