. Diseases of economic plants. Plant diseases. 208 DISEASES OF ECONOMIC PLANTS tive to sugar beets in Germany. It has been reported from several places in the United States. Air-slaked Hme, 60 to 70 bushels per acre, has been recommended. Scab {Oospora scabies Thaxt.). — This scab resembles closely the scab of the Irish potato and is caused by the same fungus. ^ It usually covers more completely the sur-. Fiu. 94. — Potato on beets. face of the beet than in the case of the potato, and tends more to form corky growths upon the surface than to make deep cavities. Usually the corky growth t
. Diseases of economic plants. Plant diseases. 208 DISEASES OF ECONOMIC PLANTS tive to sugar beets in Germany. It has been reported from several places in the United States. Air-slaked Hme, 60 to 70 bushels per acre, has been recommended. Scab {Oospora scabies Thaxt.). — This scab resembles closely the scab of the Irish potato and is caused by the same fungus. ^ It usually covers more completely the sur-. Fiu. 94. — Potato on beets. face of the beet than in the case of the potato, and tends more to form corky growths upon the surface than to make deep cavities. Usually the corky growth takes a brown color which frequently penetrates to some depth into the beet. Beets should not be grown upon land known to be in- fected with the potato scab or to have l^orne a badly in- fected crop of beets. See also potato scab. Soft rot, bacteriose (Bacterium teutlium Met.). — Soft rot described by Metcalfe in 1904 is prevalent in Nebraska and in many other states where beets are grown. 1 Bolley, H. L., N. Dak. Agr. Exp. Sta. Bui. 4, December, 1891. 2 Metcalf, H., Neb. Agr. Sta. Rpt. 17, p. 69, 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 Stevens, Frank Lincoln, 1871-1934; Hall, John Galentine, 1870-. New York, Macmillan
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