. Diseases of economic plants . Plant diseases. 226 DISEASES OF ECONOMIC PLANTS CELERY Leaf spot, early blight, cercosporose {Cercospora Apii Ft.). — The leaf spot is common in both Europe and America, constituting probably the most destructive disease to which the celery plant is subject. It is known from. Fig. 106. —• Cauliflower affected with black rot, (Pseudomonose). Original. Colorado to New Jersey. In Florida in 1906 it is said to have injured 80 per cent of the crop. The crop is largely reduced, and the unsightUness of the spots injures the salability of the product. The spots appear f
. Diseases of economic plants . Plant diseases. 226 DISEASES OF ECONOMIC PLANTS CELERY Leaf spot, early blight, cercosporose {Cercospora Apii Ft.). — The leaf spot is common in both Europe and America, constituting probably the most destructive disease to which the celery plant is subject. It is known from. Fig. 106. —• Cauliflower affected with black rot, (Pseudomonose). Original. Colorado to New Jersey. In Florida in 1906 it is said to have injured 80 per cent of the crop. The crop is largely reduced, and the unsightUness of the spots injures the salability of the product. The spots appear first upon the outer, older leaves as pale yellowish regions, showing from both sides of the leaf. They are irregular with slightly raised border and are. 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
