. Diseases of economic plants. Plant diseases. 360 Diseases of Economic Plants The trunk in cross-section shows rot at the center; the wood becomes soft and pulpy. The decayed region is ir-. FiG. 188. — Fomes igniarius upon maple. After von Schrenk. regular in outline and bounded by narrow black layers. The tree is rarely hollow, but remains filled with the decayed wood. Young trees which bear no dead branches to admit the fungus are usually Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appea
. Diseases of economic plants. Plant diseases. 360 Diseases of Economic Plants The trunk in cross-section shows rot at the center; the wood becomes soft and pulpy. The decayed region is ir-. FiG. 188. — Fomes igniarius upon maple. After von Schrenk. regular in outline and bounded by narrow black layers. The tree is rarely hollow, but remains filled with the decayed wood. Young trees which bear no dead branches to admit the fungus are usually 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- [from old catalog]; Hall, John Galentine, 1870- [from old catalog] joint author. New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
