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EXPERIMENTAL PART I PREVALENCE AND KINDS OF BACTERIA IN WOOD
EXPERIMENTAL PART II GROSS MANIFESTATIONS OF WOOD DETERIORATION
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acid Aerobacter aerobic agar anaerobic appeared autoclaved Bacillus cereus Bacillus polymyxa Bacillus sp Bacillus subtilis bacteria bacteria in wood bacterial attack bacterial deterioration blocks bordered pit bottles cell walls cellulolytic cellulose chemical cloacae cooling-tower slats decomposition deteriorated wood deterioration of wood determined Difco Douglas-fir dry controls Effect of Bacteria Ellwood and Ecklund evidence experiment flasks fungi ground wood growth hardwood heartwood incubated indicated inoculated specimens Inoculated:Control Knuth lignin liquid movement megaterium microscope nitrogen organisms ovendried parenchyma cells peptone peptone broth permeability Permeability index pine and gum pine and sweetgum pit membrane polymyxa 78 ponded pine ponderosa pine Pulp chips pumilus pure cultures ray-parenchyma cells reported ruthenium red salts medium sample sapwood sections showed softwood species of bacteria starch sterilized strength loss subtilis 107 suggested sweetgum tested thermophilic toughness tracheids weight loss Wet control wetwood wood deterioration wood permeability wood products yeast extract