Blue stain in wood
Rowell, Roger M. Department of Biological Systems Engineering, University of Wisconsin, Madison, Wisconsin.
- Conditions for attack
- Blue stain spores
- Prevention and control
- Links to Primary Literature
- Additional Readings
Millions of lumber dollars are lost every year because of the discoloration of freshly cut logs resulting from a fungal infection known as blue stain. The discoloration can be caused by a number of different wood-staining fungi belonging to several genera. Collectively, blue stain fungi (Fig. 1) are microscopic fungi that grow in the form of multicellular filaments, called hyphae, which infect the sapwood of freshly cut trees. A connected network of tubular branching hyphae, called a mycelium, will multiply with genetically identical nuclei and is considered a single organism. This is referred to as a colony.
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