Research Branch

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Field guide for detection and identification of laminated root rot in rehabilitation areas

Author(s) or contact(s): BC Ministry of Forests and Canadian Forest Service
Source: Research Branch
Subject: Root Disease
Series: FRDA Handbook
Other details:  Published 1990. Hardcopy is available.


Laminated root rot, caused by the fungus Phellinus weirii, spreads by root contact between healthy trees and infected stumps or trees. The hazard potential posed by laminated root or can vary greatly between strata, depending on stand composition, time since last harvest, and soil moisture regime and texture.

Disease and volume losses increase from one rotation to the next unless appropriate management is implemented.

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Updated October 24, 2008