. The nursery-book; a complete guide to the multiplication of plants ... Gardening; Plant propagation. TOP-GRAFTING OLD TREES. 125 should not be grafted, for it is the habit of grafts to grow upright rather than horizontal in the direction of the branch; and it is well to split all stubs on such branches horizontally, that one cion may not stand directly under another. The habit of growth of the cion is well shown in Fig. 129. This illustrates the form and direction of the original branch, and also the direction which the yearling grafts have taken. It is evident, therefore, that a top-grafted
. The nursery-book; a complete guide to the multiplication of plants ... Gardening; Plant propagation. TOP-GRAFTING OLD TREES. 125 should not be grafted, for it is the habit of grafts to grow upright rather than horizontal in the direction of the branch; and it is well to split all stubs on such branches horizontally, that one cion may not stand directly under another. The habit of growth of the cion is well shown in Fig. 129. This illustrates the form and direction of the original branch, and also the direction which the yearling grafts have taken. It is evident, therefore, that a top-grafted tree is na'-v--r and denser in top than the tree originally was, and that careful pruning is required to keep it suffi- ciently open. Each graft is virtually a new tree-top placed into the tree, and for this rea-. 129. Showing the upright direction of a graft in a horizontal limb. son, if for no other, the common practice of grafting old trees close down in the large limbs is seen to be pernicious Top-grafting is performed in spring. The best time is when the leaves are pushing out, as wounds made then heal quickly, and cions are most apt to live. But when a large amount of grafting must be done, it is necessary to begin a month, or even two, before the leaves start. On the other hand, the operation can be extended until a month or more after the leaves are full-grown, but such late cions make-a short growth, which is likely to perish the following winter. Professional grafters usually dividp their men into three. 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 Bailey, L. H. (Liberty Hyde), 1858-1954. New York, The Macmillan Co.
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