. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 462 JACK McLACHLAN AND CHARLES S. YENTSCH TABLE I Composition of the modified ASP medium NaCl MgSO4-7H2O MgCl2-6H2O CaCl2-2H2O KNO8 K2HPO4 Na2SiO3-9H2O 410 mM 24 mM 22 mM 10 mM 1 mM 100 100 FeCV6H2O H3BO3 MnCl2-4H2O ZnCl2 CoCl2-6H2O CuCl2-2H2O Na2EDTA centration of chlorophyll a was determined using the nomographs of Duxbury and Yentsch (1956), and the organic nitrogen content of the cells was estimated by the procedure of Yentsch and Vaccaro (1958). RESULTS 1. Groivth in contaminated beef
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 462 JACK McLACHLAN AND CHARLES S. YENTSCH TABLE I Composition of the modified ASP medium NaCl MgSO4-7H2O MgCl2-6H2O CaCl2-2H2O KNO8 K2HPO4 Na2SiO3-9H2O 410 mM 24 mM 22 mM 10 mM 1 mM 100 100 FeCV6H2O H3BO3 MnCl2-4H2O ZnCl2 CoCl2-6H2O CuCl2-2H2O Na2EDTA centration of chlorophyll a was determined using the nomographs of Duxbury and Yentsch (1956), and the organic nitrogen content of the cells was estimated by the procedure of Yentsch and Vaccaro (1958). RESULTS 1. Groivth in contaminated beef extract-peptone cultures. To determine the effect of bacterial contamination on the growth of Dunaliella euchlora, the alga was inoculated into autoclaved and unautoclaved ASP medium, and autoclaved and 8. ASP ASP, NOT AUTOCLAVED BEEF-EXT.+ PEPTONE BEEF-EXT.+ PEPTONE, NOTAUTOCLAVED. 0 2 4 6 8 10 12 DAYS AFTER INOCULATION FIGURE 1. Growth of the alga in contaminated and non-contaminated ASP medium and contaminated and non-contaminated ASP medium containing beef extract and Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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