. Diseases of economic plants . Plant diseases. 146 DISEASES OF ECONOMIC PLANTS be of serious import, although its increase at any time under favorable climatic conditions may place it among the im- portant plant enemies. CRANBERRY' Scald, blast (Guignardia Vacdnii Shear). — The fruits are attacked as soon as the blossom falls, or even the. Fig. 62. — Cranberry scald and blast. After Shear. blossom itself may be blighted. The affected berry shrivels, turns black, and is covered with pycnidia. From such fruits the disease spreads to other fruits and to the leaves. In some bogs as much as 50 per
. Diseases of economic plants . Plant diseases. 146 DISEASES OF ECONOMIC PLANTS be of serious import, although its increase at any time under favorable climatic conditions may place it among the im- portant plant enemies. CRANBERRY' Scald, blast (Guignardia Vacdnii Shear). — The fruits are attacked as soon as the blossom falls, or even the. Fig. 62. — Cranberry scald and blast. After Shear. blossom itself may be blighted. The affected berry shrivels, turns black, and is covered with pycnidia. From such fruits the disease spreads to other fruits and to the leaves. In some bogs as much as 50 per cent of the crop is thus destroyed. This form of disease is commonly ' The information given here is taken largely from Shear, C. L., Dept. Agr. Bur. Plant Indus. Bui. 110, and Halsted, B. D., Agr. Exp. Sta. Bui. 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
Size: 2066px × 1210px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorstevensf, bookcentury1900, bookdecade1910, bookyear1910
