. Diseases of economic plants . Plant diseases. 428 DISEASES OF ECONOMIC PLANTS change, a word is due to it on account of its vast impor- tance, involving, as it does, all structural wood. The fact that the railroads use more than 110,000,000 ties annually, and that the number of posts in use is approximately. Fig. 186. — Dry rot fungus (Meruliu8 lacrymana) ; on the right the mycelium is visible as white strings. After Freeman. 4,000,000,000, necessitating an annual replacement of some 500,000,000 in the United States, indicates the enor- mous money values involved. This kind of decay is broug
. Diseases of economic plants . Plant diseases. 428 DISEASES OF ECONOMIC PLANTS change, a word is due to it on account of its vast impor- tance, involving, as it does, all structural wood. The fact that the railroads use more than 110,000,000 ties annually, and that the number of posts in use is approximately. Fig. 186. — Dry rot fungus (Meruliu8 lacrymana) ; on the right the mycelium is visible as white strings. After Freeman. 4,000,000,000, necessitating an annual replacement of some 500,000,000 in the United States, indicates the enor- mous money values involved. This kind of decay is brought about by agencies similar, sometimes identical, with those causing rot in Uving trees,. 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
