. Diseases of economic plants. Plant diseases. TREES AND TIMBER 425 soil by means of the fine roots and infect neighboring trees. Upon newly cleared land diseased roots of forest trees may be a source of infection to fruit trees subsequently grown thereon. Polyporose (Polyporus versicolor). See p. P'lu. 184.—Ariiiillaria uiellea attacking a tree. After Freeman. Red rot {Fomes annosus Ft.). — Though not very de- structive in this country, this fungus has been found on many of the pines, where it brings about a red rot of the root system, which ultimately results in the death of an affecte


. Diseases of economic plants. Plant diseases. TREES AND TIMBER 425 soil by means of the fine roots and infect neighboring trees. Upon newly cleared land diseased roots of forest trees may be a source of infection to fruit trees subsequently grown thereon. Polyporose (Polyporus versicolor). See p. P'lu. 184.—Ariiiillaria uiellea attacking a tree. After Freeman. Red rot {Fomes annosus Ft.). — Though not very de- structive in this country, this fungus has been found on many of the pines, where it brings about a red rot of the root system, which ultimately results in the death of an affected tree. The fruiting bodies form small, cup-shaped or irregular masses on the roots or around the base of the. 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