. Bacteria in relation to plant diseases. Bacteria; Plant diseases. Four Petri-dish poured-plates of Bacterium solanacearum (Virginia strain), showing the effect of freezing. ,4 and B, plates poured before freezing; C and D, corresponding plates inoculated with the same carefully measured amount of the bouillon culture, but after freezing, i e., as soon as the culture was thawed. The plates were incubated for some days at 300 C. The large dark colonies are on the surface, the large pale colonies are between the bottom of the dish and the agar, the dot-like growths are colonies buried in the bo
. Bacteria in relation to plant diseases. Bacteria; Plant diseases. Four Petri-dish poured-plates of Bacterium solanacearum (Virginia strain), showing the effect of freezing. ,4 and B, plates poured before freezing; C and D, corresponding plates inoculated with the same carefully measured amount of the bouillon culture, but after freezing, i e., as soon as the culture was thawed. The plates were incubated for some days at 300 C. The large dark colonies are on the surface, the large pale colonies are between the bottom of the dish and the agar, the dot-like growths are colonies buried in the body of the agar. Photographed Feb. 20, 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 Smith, Erwin F. (Erwin Frink), 1854-1927. Washington, Carnegie Inst.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashingtoncarnegie