Un guide de référence sur la culture des plantes horticoles aux États-Unis et au Canada, axé sur les espèces utilisées dans le jardinage ornemental et l'agriculture. Le travail couvre également les techniques de greffage et les avantages de l'utilisation d'arbres bourgeonnés dans des régions spécifiques comme l'est et l'Ouest de l'Amérique du Nord.
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. Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches. Gardening. 110. Showing the side bud which is to continue the spur the following year. as obtained from cider mills. In the East, budded trees are preferred. In the West, root-grafted trees are preferred, largely because own-rooted trees of known hardiness can be secured. (See Graftage.) In Russia, seedlings of Pyrus baccata are used as stocks. They prevent root-killing, and give earlier fruit-bearing. Ap- ples are dwarfed by working them on various kinds of Paradise and Doucin stocks. These stocks are merely naturally dwarf forms of the common apple, and which, in some remote time, have originated from seeds. Dwarf apples are much grown in Europe, where small-area cul- tivation and wall-training are common, but they are lit- tle known in America. Apple trees are usually planted when two or three years old. The varieties of apple trees actually on sale in North America in any year are not far from 1, 000 kinds. Each great geographical area has varieties which are particu- larly adapted to it. In the northern Mississippi valley, there are few of the eastern-states apples which thrive. Varieties have been introduced from Russia with the expectation that they will be adapted to the region ; but more is to be expected of their progeny than of them- selves. Varieties of local origin, coming from various stem types, are now providing that country with satis- factory apples. In the selection of varieties, one should be guided by this adaptation to the region, and by the pur- pose for which the fruit is designed to be grown. Con- sult the recom- mended lists of the state horti- cultural socie- ties ; ask per- sons who have had experience in the given re- gion ; write to the experiment station; enquire a
