. Bacteria in relation to plant diseases. Bacteria; Plant diseases. PLANT BACTERIA-VOL. 3. Z2>1 PLATE TOBACCO WILT. DISEASE OF ORCHARD GRASS. (1, 2, 7) The Japanese tobacco disease. After Uyeda. (3) Tube of milk inoculated on August 23, 1905. with N. C. tobacco organism (colony B), painted October 11, by reflected light. (4) Old potato culture of the N. C. tobacco organism. Inoculated July 17, 1905, painted August 27, bacterial growth dark brown, substratum and fluid browned. This will answer equally well for the potato and tomato organism. (5) Check tube of litmus-milk. (6) Tube of li
. Bacteria in relation to plant diseases. Bacteria; Plant diseases. PLANT BACTERIA-VOL. 3. Z2>1 PLATE TOBACCO WILT. DISEASE OF ORCHARD GRASS. (1, 2, 7) The Japanese tobacco disease. After Uyeda. (3) Tube of milk inoculated on August 23, 1905. with N. C. tobacco organism (colony B), painted October 11, by reflected light. (4) Old potato culture of the N. C. tobacco organism. Inoculated July 17, 1905, painted August 27, bacterial growth dark brown, substratum and fluid browned. This will answer equally well for the potato and tomato organism. (5) Check tube of litmus-milk. (6) Tube of litmus-milk inoculated with the N. C- tobacco organism September 25, 1905, and painted October 20, i. e., after 25 days at about 25°C. Bacterial precipitate at bottom. No acid formed ; gradually increasing alkalinity without separation of casein. Illustrates equally well cultures of potato and tomato organism of same age. (8) Agar poured-plate colony of the Granville tobacco wilt organism after 22 days at about 23°C. x 4, painted April 22, 1909. Plated from stem of wilting tobacco-plant (root infection). Central part of the colony darker than the periphery. The brown stain in the agar is somewhat exaggerated. (9, 10) Spikelets of orchard grass showing early and late stage of Rathay's 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.
Size: 1357px × 1841px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublisherwashingtoncarnegie
