. Diseases of field crops. Plant diseases. Diseases of Field Crops 17 Seed treatment is not effective. The varieties Sacramento, Vaughn, and Abyssinian are reported to be resistant. Recently more resistant va- rieties useful for breeding have been discovered. Smut.—There are two types of smut—covered and loose (fig. 11) —. Fig. 10.—Leaf pruning of wheat through scald attack: nos. 1, 2, 3, 4, 6, and show scald; no. 5 is a scald-free plant. (From Bui. 511.) that attack barley. In both, the kernel is changed into a mass of dark- brown, dusty smut spores and entirely ruined. In the case of covered
. Diseases of field crops. Plant diseases. Diseases of Field Crops 17 Seed treatment is not effective. The varieties Sacramento, Vaughn, and Abyssinian are reported to be resistant. Recently more resistant va- rieties useful for breeding have been discovered. Smut.—There are two types of smut—covered and loose (fig. 11) —. Fig. 10.—Leaf pruning of wheat through scald attack: nos. 1, 2, 3, 4, 6, and show scald; no. 5 is a scald-free plant. (From Bui. 511.) that attack barley. In both, the kernel is changed into a mass of dark- brown, dusty smut spores and entirely ruined. In the case of covered smut, caused by Ustilago hordei, the affected grains are fairly solid and covered at first with a thin grayish membrane. Infection in this disease. 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, Ralph E. (Ralph Eliot), 1874-1953. Berkeley, Calif. : College of Agriculture, University of California
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Keywords: ., book, bookcentury1900, bookleafnumber17, booksubjectplantdiseases