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Bacterium Associated with Wetwood in White Fir. W. Wayne Wilcox, Assistant Forest Products Pathologist, University of California, Forest Products Laboratory, Richmond 94804; Nancy D. Oldham, Staff Research Associate, University of California, Forest Products Laboratory, Richmond 94804. Phytopathology 62:384-385. DOI: 10.1094/Phyto-62-384.

A bacterium was consistently associated with wetwood in white fir. It is a small, slow-growing, gram-variable, facultatively anaerobic rod which produces acid but no gas on carbohydrate media; it frequently occurs in chains, and does not form spores. The bacterium has been characterized, but not identified. Growth appears to be stimulated by extracts from various plant tissues, but not by extracts from white fir wood. It can be isolated on standard media used for culturing fungi, but frequently does not survive subculturing from such media.