Impacts of hemlock woolly adelgid - the effects on tree health and mortality probability

J. J. Colbert; Bradley Onken

Treesearch

Impacts of hemlock woolly adelgid - the effects on tree health and mortality probability

Informally Refereed

Authors:

J. J. Colbert, Bradley Onken

Year:

2000

Type:

General Technical Report

Station:

Northern Research Station

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.

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Abstract

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.

Parent Publication

Proceedings: symposium on sustainable management of hemlock ecosystems in eastern North America

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.