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 ?
Often met on oaks, weakened weakened and dying trees, by butt rot invaders (beefsteak secondary parasite.
Eco-morphologic aspects of differentiation and identification of species Armillaria mellea Sensu Lato in Coppice Oakeries of Belgorod Region for the purposes of exploitation of natural resources
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.
Influence of decay fungi, construction characteristics, and environmental conditions on the quality of wooden check-dams
The forces in question are the fungi responsible for root and butt rot or decay--a closely related group of species that specialize in causing large trees to fail.
In the forest, root and butt rot fungi are among the most common causes of tree disease, especially among large, mature trees.
Certain situations tend to increase the occurrence of root and butt rot fungi and their associated problems.
Root and butt rot pose a particular problem in urban forests.
Silent killers lurk in the forest
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).
If that tree-stem is 15 m long, the 1-m-deep butt rot should be cut off, and then 8-m and 6-m logs should be bucked.
Optimal tree-stem bucking of northeastern species of China
This fungus has been isolated from Douglas-fir, spruces, and frequently from stumps, trunk, or butt rots or from products exposed to continuous wetting.
NATURAL DECAY RESISTANCE OF HEARTWOOD FROM DEAD, STANDING YELLOW-CEDAR TREES: LABORATORY EVALUATIONS
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