. Diseases of economic plants. Plant diseases. 152 DISEASES OF ECONOMIC PLANTS toms to the knot, may be distinguished from it by the absence of wartlike growths upon the surface of affected twigs. As an effective measure all diseased canes may be cut out and burned, cutting well below the diseased Fig. 64. — Currant leaf spot (septoriose). After Stewart and Eustace. Septoriose Cercosporose The leaf spots (Septoria Ribis Desm.) (Cercospora angulata Wint.) The " currant leaf spot" is a term applied to a peculiar spotting of the leaves of both currants and gooseberries. It is lik
. Diseases of economic plants. Plant diseases. 152 DISEASES OF ECONOMIC PLANTS toms to the knot, may be distinguished from it by the absence of wartlike growths upon the surface of affected twigs. As an effective measure all diseased canes may be cut out and burned, cutting well below the diseased Fig. 64. — Currant leaf spot (septoriose). After Stewart and Eustace. Septoriose Cercosporose The leaf spots (Septoria Ribis Desm.) (Cercospora angulata Wint.) The " currant leaf spot" is a term applied to a peculiar spotting of the leaves of both currants and gooseberries. It is likely to occur wherever these plants are grown. The spot is of rather characteristic appearance, usually circular,. 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- joint author. New York, The Macmillan Company
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Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910
