. Elements of botany. Botany. STRUCTURE OF THE STEM 75 90. Grafting. — When the cambium layer of any vigor- ously growing stem is brought in contact with this layer in another stem of the same kind or a closely similar kind of plant, the two may grow together to form a single stem or branch. This process is called grafting, and is much resorted to in order to secure apples, pears, etc., of am' desired kind (Fig. 46). A twig known as the scion from a tree of the chosen variety is grafted on to any kind of tree of the same species known as the stock, and the result- ing stems will bear the wishe
. Elements of botany. Botany. STRUCTURE OF THE STEM 75 90. Grafting. — When the cambium layer of any vigor- ously growing stem is brought in contact with this layer in another stem of the same kind or a closely similar kind of plant, the two may grow together to form a single stem or branch. This process is called grafting, and is much resorted to in order to secure apples, pears, etc., of am' desired kind (Fig. 46). A twig known as the scion from a tree of the chosen variety is grafted on to any kind of tree of the same species known as the stock, and the result- ing stems will bear the wished-for kind of fruit. Often one species is grafted on another, as the pear on the quince or the apple. Rarely trees dif- fering as much as the chestnut and the oak may be grafted together. Some- times grafting comes about naturally by the branches of a tree chafing against one another until the bark is worn away and the cambium layer of each is in contact Avith that of the other, or two separate trees may be joined by natural o'laftino;.. Fir,. 46. Grafting .\t the left sciou aud stock are shown ready to be iinited; at the right they are joined and ready to cover Tvith grafting- 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 Bergen, Joseph Y. (Joseph Young), 1851-1917. Boston, Ginn
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