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Bacteria Associated with Discolored and Decayed Tissues in Beech, Birch, and Maple. Benjamin J. Cosenza, Associate Professor of Biology, Biological Sciences Group, Microbiology Section, University of Connecticut, Storrs 06268; Mathilda McCreary(2), John D. Buck(3), and Alex L. Shigo(4). (2)Former Graduate Research Assistant, Microbiology Section, University of Connecticut, currently Research Assistant, Chas. Pfizer and Co., Groton, Connecticut 06340; (3)(4)Assistant Professor of Biology, Microbiology Section, University of Connecticut, and Principal Mycologist, respectively, Northeastern Forest Experiment Station, USDA Forest Service, Durham, New Hampshire 03824. Phytopathology 60:1547-1551. Accepted for publication 6 May 1970. DOI: 10.1094/Phyto-60-1547.

Bacteria isolated from discolored and decayed tissues in a total of 27 beech, birch, and maple trees from New Hampshire were identified and characterized. Species of Bacillus and Pseudomonas were the most common among the 326 isolates examined. Members of the family Enterobacteriaceae, yellow-pigmented gram-negative rods, coryneforms, and yeasts accounted for the remainder.

Additional keywords: Hardwoods, defects, microorganisms, taxonomy.