butt rot


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butt rot

[′bət ‚rät]
(plant pathology)
A fungus decay of the base of a tree trunk caused by polypores (such as Fomea species).
References in periodicals archive ?
Heterobasidion annosum root and butt rot of Norway spruce, Picea abies: colonization by the fungus and its impact on tree growth.
a new coelomycete associated with butt rot of Picea abies in Switzerland.
In order to identify the grade zones (sections) along a tree stem to be bucked, the bucker needs first to observe its surface characteristics, including the severity and location of defect, butt rot, sweep, and dimensions of the tree stem based on the field bucking requirements and procedures (Wang and Wang 1992).
This fungus has been isolated from Douglas-fir, spruces, and frequently from stumps, trunk, or butt rots or from products exposed to continuous wetting.