. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 482 SPECIAL PLANT PATHOLOGY. ^smwmm Fig. 167.—Disease oi ash caused hy Fames {Polyporus)fraxinophilus. i. Cross- section of ash wood; 2, of medullary ray; 3, medullary ray, showing later stage of attack; 4, s. of wood cells; 6, starch grains from medullary ray cell; 7 diseased wood; 8, transection from entirely rotted wood. (After von Schrenk, Hermann, Bull. 32, U. S. Bureau of Plant Industry, 1903). Please note that these images are extracted from scanned page images that may have been
. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. 482 SPECIAL PLANT PATHOLOGY. ^smwmm Fig. 167.—Disease oi ash caused hy Fames {Polyporus)fraxinophilus. i. Cross- section of ash wood; 2, of medullary ray; 3, medullary ray, showing later stage of attack; 4, s. of wood cells; 6, starch grains from medullary ray cell; 7 diseased wood; 8, transection from entirely rotted wood. (After von Schrenk, Hermann, Bull. 32, U. S. Bureau of Plant Industry, 1903). 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 Harshberger, John W. (John William), 1869-1929. Philadelphia : P. Blakiston's Son & Co
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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1917
