Dry rot in domestic plywood

Dry rot in domestic plywood

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Credit: DR JEREMY BURGESS/SCIENCE PHOTO LIBRARY

Caption: Scanning electron micrograph (SEM) of dry rot in a piece of domestic plywood (probably birch). This section of the stem shows various patterns of wall thickening on the large vessel walls. Dry rot is a fungus (Serpula lachrymans) which infects damp timber. As the fungal network, or mycelium, grows, it destroys the cellulose in the wood & weakens its structure. The mycelium consists of thin strands known as hyphae, some of which are visible here. The micrograph shows the structure of the wood; the large cylindrical cells are xylem vessels, while the smaller ones are xylem parenchyma. Magnification: x40 at 35mm size.

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Keywords: dry rot, eumycota, fungal, fungi, fungus, hyphae, mycology, nature, naturemycology, scanning electron micrograph, sem, serpula lacrymans, wood, xylem vessel

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