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Digestive activities of carnivorous plants
MATERIALS AND METHODS
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acid activity added additional agar ammonia amounts appeared associated August bacteria Balsam Lake bottles broth casein cells characteristics characterizations chitin collected colonies color considered containing cultures detected determined digestion dilution disc early enrichments entrapments Enumerations enzymes field flies flower gas chromatograph gelatin glucose growth Hepburn Hope Lake hydrolysis identifications included increase incubated indicated inoculated insects isolates July 16 June 30 laboratory larvae late leaf leaves levels materials medium meter method microbial moss nitrogen nitrogen-fixing noted numbers nutrient observed obtained October pH readings photo synthetic Photograph pitcher fluid samples pitcher leaves pitcher plants placed plate plate counts possible present probably production protease proteolytic Pseudomonas purpurea range relatively samples collected Sarracenia seen Serratia showed shown solates species sterile substratum summer surface Table temperature tubes Type zone