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Wood decay caused by Serpula lacrymans (called true dry rot, a type of brown-rot). Fomes fomentarius is a stem decay plant pathogen Dry rot and water damage. A wood-decay or xylophagous fungus is any species of fungus that digests moist wood, causing it to rot.
[2] [1] While it is known as "dry rot", this is a misnomer linked to the resulting decay of the wood being powdery and cracked; the fungus, like many fungi, does require moisture. [3] It is highly sensitive to temperatures above its range when compared to other rots.
The length of time that the fungus can remain dormant under dry conditions seems to depend on the temperature, with approximate times of nine years at 7.5 °C and one year at 22 °C being quoted. [2] [3] Most fungi will only thrive in acid conditions, but dry rot will remain active in alkaline conditions.
Dry rot would appear to be a paradoxical term seemingly indicating decay of a substance by a fungus without the presence of water. However, its historical usage dates back to the distinction between decay of cured wood in construction, i.e. dry wood, versus decay of wood in living or newly felled trees, i.e. wet wood. [10]
Coniophora puteana (commonly known as a cellar fungus) is a wet rot (specifically brown rot fungus belonging to the division Basidiomycota. It has the appearance of large brown patches surrounded by white edges typically found in humid areas on pine as well as hardwood .
Decaying Wood. Wood degradation is a complex process influenced by various biological, chemical, and environmental factors. It significantly impacts the durability and longevity of wood products and structures, necessitating effective preservation and protection strategies. It primarily involves fungi, bacteria, and insects.
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Food sources for mold in buildings include cellulose-based materials such as wood, cardboard and the paper facing on drywall and organic matter such as soap, textiles, and dust containing skin cells. If a house has mold, the moisture may originate in the basement or crawl space, a leaking roof or a leak in plumbing pipes. [11]