. Diseases of economic plants. Plant diseases. 358 Diseases of Economic Plants Red heart-rot, Pecky heart-rot ^^^ {Trametes pini Fr.) .— In the North this is the most destructive tree rot affecting practically all conifers, invading the heartwood, very rarely the sapwood. The wood is not wholly destroyed by the. Fig. 187. — Wound of properly removed limb nicely healed After Ind. Agr. Exp. Sta. over. fungus; but series of small holes with silvery lining are noted in early stages. In spruce the color of the wood itself is changed to a light purplish gray, later to a reddish brown netted with sma
. Diseases of economic plants. Plant diseases. 358 Diseases of Economic Plants Red heart-rot, Pecky heart-rot ^^^ {Trametes pini Fr.) .— In the North this is the most destructive tree rot affecting practically all conifers, invading the heartwood, very rarely the sapwood. The wood is not wholly destroyed by the. Fig. 187. — Wound of properly removed limb nicely healed After Ind. Agr. Exp. Sta. over. fungus; but series of small holes with silvery lining are noted in early stages. In spruce the color of the wood itself is changed to a light purplish gray, later to a reddish brown netted with small black lines. Small patches of white follow, which later develop into holes, arranged in series to corre-. 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
