. Chestnut blight. Chestnut blight; Chestnut. Fig. 2.—Large chestnut tree partly l<illecl by tlic barls disease. Note tlie sprouts with leaves near the top, the dwarfed leaves on the lower right-hand limb, and the healthy lower branches with leaves. enlarge and soon become covered more or less thickly with yellow, orange, or reddish-biwMi spots about the size of a pinhead. These spots are the pustules of the fruiting fungus. In damp weather or in damp situations, masses of summer spores are extruded in the. Fig. 3.—Diseased chestnut bark showing pustules and form of discharge of summer spor
. Chestnut blight. Chestnut blight; Chestnut. Fig. 2.—Large chestnut tree partly l<illecl by tlic barls disease. Note tlie sprouts with leaves near the top, the dwarfed leaves on the lower right-hand limb, and the healthy lower branches with leaves. enlarge and soon become covered more or less thickly with yellow, orange, or reddish-biwMi spots about the size of a pinhead. These spots are the pustules of the fruiting fungus. In damp weather or in damp situations, masses of summer spores are extruded in the. Fig. 3.—Diseased chestnut bark showing pustules and form of discharge of summer spores in damp weather. (Magnified •! diameters.) form of long, irregularly twisted strings or " ; which are at first bright yellow to greenish yellow or even buff, becoming darker with age (fig. 3). If the lesion is on the trunk or a large limb with very thick bark there is no obvious change in the appearance of the 467. 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 1906-1960
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Keywords: ., bookcolle, bookcollectionbiodiversity, booksubjectchestnutblight
