. Bulletin. Natural history; Natural history. 131 studded with small dewy drops, apparently of precisely the same character as the "; (See Fig. 23, page 135.) The host's cell-wall at and near the point of penetration, is markedly altered chemically, as is shown by various stain-reactions. Thus, adjacent to the point of infection several different regions giving different chem- ical reactions may be distinguished, as is indicated in Fig. 19. Region 3 gives the usual chlor-zinc-iodide reaction and stains like normal cellulose. None of the other regions do this. Region 4 stains d
. Bulletin. Natural history; Natural history. 131 studded with small dewy drops, apparently of precisely the same character as the "; (See Fig. 23, page 135.) The host's cell-wall at and near the point of penetration, is markedly altered chemically, as is shown by various stain-reactions. Thus, adjacent to the point of infection several different regions giving different chem- ical reactions may be distinguished, as is indicated in Fig. 19. Region 3 gives the usual chlor-zinc-iodide reaction and stains like normal cellulose. None of the other regions do this. Region 4 stains darker with the usual. 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
Size: 2236px × 1118px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
