. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 128.âProperly treated area left by branch removal. Scar beginning to heal over by callus growth. -(After Collins, F. L., U. S. Yearbook Dept. Agric. 1913.) Fig. 129.âProperly treated branch scar' about three-quarters healed over. (After Collins, F. L., Yearbook V. S. Dept. Agric, 1913.) left, is another source of danger to the tree, which with proper knowledge can be safeguarded. There are a thousand and one details which, if neglected, will work injury to the planted trees. Charac


. A text-book of mycology and plant pathology . Plant diseases; Fungi in agriculture; Plant diseases; Fungi. Fig. 128.âProperly treated area left by branch removal. Scar beginning to heal over by callus growth. -(After Collins, F. L., U. S. Yearbook Dept. Agric. 1913.) Fig. 129.âProperly treated branch scar' about three-quarters healed over. (After Collins, F. L., Yearbook V. S. Dept. Agric, 1913.) left, is another source of danger to the tree, which with proper knowledge can be safeguarded. There are a thousand and one details which, if neglected, will work injury to the planted trees. Character of the Work.â^Tree sur- gery consists in the removal of de- cayed or dead limbs from trees, the cutting ofif of stubs left by improper methods of pruning, and the treat- ment of scars, holes and cavities, so as to prevent decay and secure proper â^ â .. t healing (Figs. 128, 129, 130). The Fig. 130.âCross-section of 7- ^ \-C â :>> o / year old blaze on a quaking aspen removal of branches from trees should nearly healed over. (4/-"â¢- 1913) injury to the surrounding bark and cambium or active layer of growth. For this purpose, a saw, or gouge, a chisel, a mallet and a strong knife are essential. Where the branches are high above the ground,. 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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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfungi, bookyear1917