SEM of dry rot in plywood

SEM of dry rot in 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. Dry rot is a fungus (Serpula lachrymans) which infects damp timber. As the fungal network (mycelium) grows, it destroys the cellulose in the wood and weakens its structure. Mycelium consists of thin strands known as hyphae, some of which are visible here. This stem is made up of xylem vessels, which are the large cylindrical cells, and the smaller xylem parenchyma cells, both of which have fractured in parts because of the fungus. The horizontal layer of thin cells just below the middle of the picture is part of the ray system (horizontal xylem). Magnification: X 520 (at 10x8inch size).

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

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