. Downy mildew of tobacco. Tobacco blue mold; Tobacco. 72 Connecticut Experiment Station Bulletin 405. FiGUBE 5. The causa] fungus, Peronospora tabacina. A. A single spoorphore showing young summer spores in several stages of development. Most of the spores have already fallen off the tips of the branches. B. Mature summer spores (sporangia or conidia). C. Germination of the summer spores in var- ious stages from one to fom- hours in a drop of water. D. An oospore (winter spore) from the interior of a dead leaf. (Magnified, 400 times natural size.). Please note that these images are extracted
. Downy mildew of tobacco. Tobacco blue mold; Tobacco. 72 Connecticut Experiment Station Bulletin 405. FiGUBE 5. The causa] fungus, Peronospora tabacina. A. A single spoorphore showing young summer spores in several stages of development. Most of the spores have already fallen off the tips of the branches. B. Mature summer spores (sporangia or conidia). C. Germination of the summer spores in var- ious stages from one to fom- hours in a drop of water. D. An oospore (winter spore) from the interior of a dead leaf. (Magnified, 400 times natural size.). 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 Anderson, P. J. (Paul Johnson), b. 1884. [New Haven] : Connecticut Agricultural Experiment Station
Size: 1090px × 2294px
Photo credit: © Paul Fearn / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookpublishernewhavenconnec, booksubjecttobacco
