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    Author(s): J. J. Colbert; Bradley Onken
    Date: 2000
    Source: In: McManus, Katherine A.; Shields, Kathleen S.; Souto, Dennis R., eds. Proceedings: Symposium on sustainable management of hemlock ecosystems in eastern North America. Gen. Tech. Rep. NE-267. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 181.
    Publication Series: General Technical Report (GTR)
    Station: Northeastern Research Station
    PDF: View PDF  (65.4 KB)

    Description

    The hemlock woolly adelgid (Adelges tsugae Annand) (HWA) was first found on the eastern hemlock (Tsuga canadensis (L.) Carriere) in the early 1950s and has been recognized as a significant pest of eastern hemlock since the mid-1980s.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Colbert, J. J.; Onken, Bradley. 2000. Impacts of hemlock woolly adelgid - the effects on tree health and mortality probability. In: McManus, Katherine A.; Shields, Kathleen S.; Souto, Dennis R., eds. Proceedings: Symposium on sustainable management of hemlock ecosystems in eastern North America. Gen. Tech. Rep. NE-267. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 181.

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