. The American fruit culturist : containing directions for the propagation and culture of fruit trees in the nursery, orchid and garden : with descriptions of the principal American and foreign varieties cultivated in the United States . Fruit-culture. 32 PROPAGATION BY CUTTINGS. I. CUTTINGS. When a ligature is bound closely round a branch, the ob- struction which it imposes to the descending juices, causes an enlargement or swollen ring above the ligature, as in fig. 5. The same result is produced if a small ring of bark is cut out, as in fig. 6. If a shoot is taken from the tree before the l
. The American fruit culturist : containing directions for the propagation and culture of fruit trees in the nursery, orchid and garden : with descriptions of the principal American and foreign varieties cultivated in the United States . Fruit-culture. 32 PROPAGATION BY CUTTINGS. I. CUTTINGS. When a ligature is bound closely round a branch, the ob- struction which it imposes to the descending juices, causes an enlargement or swollen ring above the ligature, as in fig. 5. The same result is produced if a small ring of bark is cut out, as in fig. 6. If a shoot is taken from the tree before the leaves expand, and plung- ed into moist earth till it commences growth, the de- scending current exuding from the lower extremity, forms a callus or ring o< the newly formed wood, as in fig. 7; and under 'favorable circumstances the granulations forming the callus emit roots into the soil, (fig. 8,) and thus a new plant is formed. Every leaf bud on a fruit tree may be regarded as an em- bryo branch, and capable of forming a tree when supplied tills it. Weeds which spread rapidly by the roots, as the Canada thistle, may be totally destroyed in one summer, if constantly kept cut offbelow the surface. For the same reason, trees which become divested of their foliage by leaf-blight while the fruit is partly gTOwn, do not perfect the ripening process. An interesting Instance occurred during the past season :âA plum tree lost all its leaves, when the fruit was about two-thirds grown, and before it had attained in the slightest degree its flavor. The plums remained stationary, densely loading the naked branches, for three weeks, â when a new crop of leaves came out. _ The fruit immediately re- commenced growing, and subsequently acquired full size, and a fine, rich, honied flavor, about a month later than the usual period of ripening. Hence also the reason why the removal of large portions of the foliage, to favor the ripening of grapes and other fruits by admitting the sun, does
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