Core rot

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A tree , usually a living one, suffers from core rot when it is attacked by parasitic or saprophytic fungi , which can hollow out a tree by decomposing its core . The onset of core rot is usually unnatural discoloration of the ripening wood . The spores of the fungus can penetrate the inside of the tree via the roots or injuries. The destruction begins in the core and progresses towards the sapwood jagged in front. However, the sapwood is usually not attacked by the fungus, as the moisture content of the wood is too high for the fungi. The fungi decompose the heartwood with the help of enzymes that break down the core material. The standardization is engaged in the DIN EN 844-10 and DIN EN 1311 with rot the wood. Core rot increases the risk of wind breakage .

  • Prunus with bark infected with fungal diseases and entry ports for nuclear rot pathogens.

  • Sawn off trunk with initial rot

  • Trunk wood with a hollowed-out tree core

Examples of core rot pathogens

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