. Bacteria in relation to plant diseases. Bacteria; Plant diseases. Fig. 54.* Fig. a growing one and the organism was infectious. The feeble results, therefore, are to be attributed, I believe, either to resistance on the part of the variety used or to the lateness of the inoculation, i. c, after the plants had passed out of the seedling stage. *Fig. 54.—Cross-section of the base of a sweet-corn kernel, showing a single spiral vessel filled with Bacterium stewarti, the result of an inoculation made about 2 months earlier by placing a trace of a pure culture on the tips of the leaves of th
. Bacteria in relation to plant diseases. Bacteria; Plant diseases. Fig. 54.* Fig. a growing one and the organism was infectious. The feeble results, therefore, are to be attributed, I believe, either to resistance on the part of the variety used or to the lateness of the inoculation, i. c, after the plants had passed out of the seedling stage. *Fig. 54.—Cross-section of the base of a sweet-corn kernel, showing a single spiral vessel filled with Bacterium stewarti, the result of an inoculation made about 2 months earlier by placing a trace of a pure culture on the tips of the leaves of the seedling plant. Material fixed in strong alcohol, embedded in paraffin, sectioned on the microtome, stained with carbol-fuchsin, differentiated in 50 per cent alcohol, and mounted in Canada balsam. Figure drawn under the microscope with the aid of an Abbe camera. Slide 235 A 8. For orientation see fig. 47. tFiG. 55.—Cross-section of internodal bundle of a sweet-corn stem showing Bacterium stewarti occupying a single vessel. Material obtained on Long Island, New York, July 16, 1902, fixed in 95 per cent alcohol, embedded in paraffin, sectioned on the microtome, and stained with carbol-fuchsin. Slide 249 C 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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