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Publication Information

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Title: Evolution of invading forest pathogens via interspecific hybridization

Author: Brasier, Clive;

Date: 2003

Source: In: Fosbroke, Sandra L.C.; Gottschalk, Kurt W., eds. Proceedings, U.S. Department of Agriculture interagency research forum on gypsy moth and other invasive species 2002; 2002 January 15-18; Annapolis, MD. Gen. Tech. Rep. NE-300. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station: 3-4.

Publication Series: General Technical Report (GTR)

   Note: This article is part of a larger document. View the larger document

Description: Traditional morphologically-based fungal species concepts have tended to go hand in-hand with a perception that fungal species are genetically 'firewalled' units between which almost no gene flow occurs. Also, prior to 1990, known examples of interspecific hybridization in fungi were very rare. However, observations on the internationally invading Dutch elm disease pathogens suggested that intense ecological disturbance events, including introductions or invasions, could result in hybridization. Since this could also lead to changes in a pathogen's aggressiveness, host range or other fitness attributes, it has considerable implications for the health of forests and natural ecosystems.

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Brasier, Clive 2003. Evolution of invading forest pathogens via interspecific hybridization. In: Fosbroke, Sandra L.C.; Gottschalk, Kurt W., eds. Proceedings, U.S. Department of Agriculture interagency research forum on gypsy moth and other invasive species 2002; 2002 January 15-18; Annapolis, MD. Gen. Tech. Rep. NE-300. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station: 3-4.

 


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