. La pépinière-livre ; un guide complet pour la multiplication de plantes ... Jardinage ; propagation des plantes. GRAFTAGE. chaleur ou de pourriture. Certaines des caractéristiques des arbres greffés sont discutés dans la dernière partie de ce chapitre. Dans la région de racine commune-greffage de l'Est et du sud, l'ours à propos de trois bourgeons cion, et la racine est à peu près la même longueur, ou peut-être plus court. La va- riable et unlcnown le caractère de ces racines, comme ce qui concerne la rusticité, rend-il important que, dans les climats très sévère, les racines doivent être obtenus de la même plante que le cion, la rusticité de ce qui est connu. Il est, par conséquent,

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. The nursery-book; a complete guide to the multiplication of plants ... Gardening; Plant propagation. GRAFTAGE. heat or rot. Some of the characteristics of root-grafted trees are discussed in the last part of this chapter. In common root-grafting in the east and south, the cion bears about three buds, and the root is about the same length, or perhaps shorter. The va- riable and unlcnown character of these roots as, regards hardiness, renders it important that, in very severe climates, roots should be obtained from the same plant as the cion, the hardiness of which is known. It is, therefore, the practice in the prairie states to use a very long cion—8 inches to a foot—and to set it in the ground up to the top bud. The piece of root serves as a temporary support, and roots are emitted along the cion. When the tree is ready for sale the old piece of root is often removed, or some- times it falls away of itself. In this manner own-rooted trees are obtained, and it is for this reason that root-grafting is more univer- sally practiced west of the Great Lakes than budding is. Even cions of ordi- nary length often emit roots, as seen in Fig. 104, but such cions are not long enough to reach into uniformly moist soil. In practice, some varieties of fruit trees are found to emit roots from the cion more readily than others. Root-grafting is often cheaper than budding, as it is performed when labor is cheap, and two or more trees are made from one stock. Cuttings may be used as stocks in fhose ii|Stances in which a variety. Grofiitng root-gr<tft (x}^). 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 work.. Bailey, L. H. (Liberty Hyde), 1858-1954. New York, The Macmillan Co.

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