Sapstain Decay Research Paper
Sapstain Decay are caused by organisms known as fungi. These small grow deep into the wood and use portions of it for their food. The sapstain fungi are mostly attracted to sapwood but organisms can attack the heartwood as well as the sapwood of most species of wood. The sapstain fungi quickly attacks the sapwwod of fresh sawn lumber and causes a blue, grey or black discoloration. While this stain makes the wood look unpleasant, it does not affect its structural integrity. Sapwood lumber that is freshly sawn for all species remains susceptible to fungi attack from the time the tree is cut in the woods until the lumber is dried to less than 20 percent moisture content (MC). The attacking fungi usually produce a pigmented spore that discolors