Controlling sapstain : trials of product group I on selected western softwoods
- RB_no_65.pdf
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- Controlling sapstain : trials of product group I on selected western softwoods
- Miller, Donald J. (Donald James)
- Morrell, Jeffrey J., 1955-
- Oregon State University. Forest Research Laboratory
- Fungicides
- Wood preservatives
- Wood -- Preservation
- Feb-1989
- Corvallis, OR : Forest Research Lab, College of Forestry, Oregon State University
- Research bulletin (Oregon State University. Forest Research Laboratory)
- 65
- Environmental restrictions have induced many sawmills to seek alternatives to pentachlorophenol (penta) or similar chlorinated phenols to control fungal sapstains on green lumber. Five alternative preventives were evaluated against a traditional penta product (Permatox 101) on Douglas-fir, hem-fir, and pine lumber in an accelerated 6-week test on small specimens in the laboratory and in field trials on bundled studs (2 inch x 4 inch x 8 ft) exposed outdoors for 2 and 6 months. Strong solutions of most alternative preventives provided good protection of Douglas-fir and hem-fir studs for at least 2 months during warming spring weather; some also protected pine studs. Permatox 101 provided superior protection during prolonged outdoor storage, but may permit surface growth of brown mold.
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