. Diseases of economic plants . Plant diseases. SMALL FBUITS 153 although sometimes irregular in outline, generally about 3 mm. in diameter. In the center of the brown or gray discolored area very minute pycnidia may be seen in the case of septoriose; hyphse in the case of cercosporose. Defoliation, often serious to the plant, Fig. 65.—Currant anthracnose. After Stewart and Eustace. The Bordeaux mixture is far superior to ammoniacal copper carbonate for these diseases. Five applications at ten- to fourteen-day intervals are needed, beginning as soon as the leaves are open. Anthracnos


. Diseases of economic plants . Plant diseases. SMALL FBUITS 153 although sometimes irregular in outline, generally about 3 mm. in diameter. In the center of the brown or gray discolored area very minute pycnidia may be seen in the case of septoriose; hyphse in the case of cercosporose. Defoliation, often serious to the plant, Fig. 65.—Currant anthracnose. After Stewart and Eustace. The Bordeaux mixture is far superior to ammoniacal copper carbonate for these diseases. Five applications at ten- to fourteen-day intervals are needed, beginning as soon as the leaves are open. Anthracnose {Pseudopeziza Ribis Kleb.).-—The leaves, fruit stalks, berries, and canes are affected. Usually the disease is not present to great extent, but a few serious outbreaks have occurred, notably in central New York and in the Hudson River region. It has also been noted in Ohio, Iowa, New Jersey, and is probably often present to a slight extent in a number of other 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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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910