. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. DETAILED ACCOUNT OF SPECIFIC PLANT DISEASES S3S open out, the curling and arching of the blades become manifest. The curling may be confined to a small portion of a leaf, or it may be general and all of the leaves of a tree may , as well as the young stem on which^they are found. The green, or reddish, color of. Fig. 192.—Peach leaves deformed by leaf curl {Exoascus deformans). (.After Heald, F. D., Bull. 135 {Sci. Ser. 14), Univ. of Tex., Nov. 15, 1909.) the leaves is lost a


. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. DETAILED ACCOUNT OF SPECIFIC PLANT DISEASES S3S open out, the curling and arching of the blades become manifest. The curling may be confined to a small portion of a leaf, or it may be general and all of the leaves of a tree may , as well as the young stem on which^they are found. The green, or reddish, color of. Fig. 192.—Peach leaves deformed by leaf curl {Exoascus deformans). (.After Heald, F. D., Bull. 135 {Sci. Ser. 14), Univ. of Tex., Nov. 15, 1909.) the leaves is lost as they mature, and they become pale, or slightly discolored. Diseased shoots may grow to twice their normal diameter and assume a characteristic paleness. The diseased leaves finally turn brown and drop off the tree, and if this defoliation is excessive. 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


Size: 1177px × 2123px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1917