Development of a sampling system for Armillaria rhizomorphs in mixed oak stands: a progress report

Mark Twery; Philip M. Wargo

Treesearch

Development of a sampling system for Armillaria rhizomorphs in mixed oak stands: a progress report

Informally Refereed

Authors:

Mark Twery, Philip M. Wargo

Year:

1991

Type:

General Technical Report

Station:

Northern Research Station

Source:

In: Gottschalk, Kurt W.; Twery, Mark J.; Smith, Shirley I., eds. Proceedings, U.S. Department of Agriculture interagency gypsy moth research review 1990; East Windsor, CT. Gen. Tech. Rep. NE-146. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 128.

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Abstract

The assessment of the problems caused by gypsy moth is dependent on a number of characteristics of a forest stand. One of the main impacts of defoliation is the mortality of standing trees. Mortality is seldom caused directly by defoliation, but is usually associated with a secondary agent which attacks the tree in its weakened condition.

Parent Publication

Proceedings, U. S. Department of Agriculture interagency gypsy moth research review 1990

Citation

Twery, Mark J.; Wargo, Philip M. 1991. Development of a sampling system for Armillaria rhizomorphs in mixed oak stands: a progress report. In: Gottschalk, Kurt W.; Twery, Mark J.; Smith, Shirley I., eds. Proceedings, U.S. Department of Agriculture interagency gypsy moth research review 1990; East Windsor, CT. Gen. Tech. Rep. NE-146. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 128.