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Title: Recent change in the nomenclature of Phellinus pini: What is Porodaedalea?

Author: Glaeser, Jessie A.; Nakasone, Karen K.;

Date: 2010

Source: In: Proceedings of the 6th western hazard tree workshop; 2010 June 14-18; Medford, OR. U.S. Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team: 46-50.

Publication Series: Other

Description: The white-rot genus Phellinus contains many important forest pathogens and saprotrophs, including those that produce heartrot, saprot, and root-rot or butt-rot. One of the most notorious species is Phellinus pini, the causal agent of "red ring decay" or "white fleck," which primarily affects older stands of conifers, including Douglas fir, larch, pine and spruce. The fungus produces a white pocket rot, creating wood that is highly desirable for paneling and other wood crafts but otherwise low in value due to strength loss during advanced decay (Tainter and Baker, 1996). Phellinus pini initially infects through branch stubs and spreads into extractive-rich heartwood. The pathogen is also able to attack and spread in killed sapwood. Decay may continue shortly after death of the host but the fungus is not an important saprotroph of slash (Tainter and Baker, 1996). Trees may be subject to breakage at the points of decay (Dunster, 1996), so the presence of P. pini conks, especially if large and in high numbers, is an important criterion in hazard assessment protocols (Bakken, 1995; Dunster, 1996; Toupin et al., 2008).

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Glaeser, Jessie A.; Nakasone, Karen K. 2010. Recent change in the nomenclature of Phellinus pini: What is Porodaedalea? In: Proceedings of the 6th western hazard tree workshop; 2010 June 14-18; Medford, OR. U.S. Department of Agriculture, Forest Service, Forest Health Technology Enterprise Team: 46-50.

 


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