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vineyard,land on which cultivation of the grapegrape,
common name for the Vitaceae, a family of mostly climbing shrubs, widespread in tropical and subtropical regions and extending into the temperate zones. The woody vines, or lianas, climb by means of tendrils, which botanically are adaptations of terminal buds.
..... Click the link for more information. —known as viticulture—takes place. As many as 40 varieties of grape, Vitis vinifera, are known. The few that grow wild are generally not used; all domesticated varieties require careful cultivation to produce good fruit. While the primary purpose of vineyards throughout history has been the production of grapes for winewine,
alcoholic beverage made by the fermentation of the juice of the grape. So ancient that its origin is unknown, wine is mentioned in early Egyptian inscriptions and in the literature of many lands.
..... Click the link for more information. , many vines, largely in the New World, are cultivated for eating grapes, grape juice, and dried grapes, or raisins.
Viticulture depends on such factors as sunlight, soil, moisture, wind, and pest and disease control. The best wines result from warm, dry conditions. Grape vines can be transplanted from established vineyards, or propagated from cuttings of new growth with two or three buds. Two thirds of the grape vines in the United States grow in California, mostly in the San Francisco Bay area, supplying the bulk of the grapes for the expansion of the American wine industry since 1950. Washington and New York rank next among the 13 grape-growing states.
Vineyard Pests and Diseases
, small, sap-eating, greenish insect of the genus Phylloxera, closely related to the aphid. Phylloxeras feed on leaves and roots, and many species produce galls on deciduous trees.
..... Click the link for more information. , a North American insect that kills the vine by feeding on the root, was not identified until the late 19th cent. It caused the failure of early plantings of European grapes in the E United States and, beginning about 1860, spread around the world, probably traveling on resistant American vines, infecting V. vinifera from France to Australia to California. French and American researchers finally saved the world's wine industry by grafting phylloxera-susceptible European vines onto resistant E American roots. Virtually all wine grapevines in Europe and California are grafted to rootstocks of E American origin. In 1979 phylloxera B overcame the resistance of the dominant rootstock in Northern California vineyards; thousands of acres subsequently were replanted with more resistant rootstocks.
Besides phylloxera, the V. vinifera of the Pacific slope is harassed by a variety of pests and diseases, including black measles, little-leaf, nematodes, red spiders, rabbits, and gophers. Among the afflictions of vineyards in the E United States are mildewmildew,
name for certain fungi and protists, for the diseases they cause in various crops, and for the discoloration (and sometimes the weakening and disintegration) they cause in such materials as leather, fabrics, and paper.
..... Click the link for more information. , a devastating fungal disease; the grape-berry moth, which destroys fruit by causing it to color prematurely; the grapevine beetle, which eats the new buds in spring; climbing cutworms, which hide in the ground during the day and feed on the buds at night; black rot, which shrivels the fruit; and crown rot, which destroys the vines of some varieties.
Prophylaxis of healthy vines and treatment of afflicted ones are but two of the intensive, continuous aspects of viticulture. From the early stages of tending a vineyard, when appropriate vines must be selected and congenial soil chosen for them, through the operations of cutting, layering, grafting, planting, and fertilizing, up to the gathering of the crop, the grower must apply equal measures of skill, knowledge, and industry.
Vineyards are believed to have been introduced to Europe by the Phocaeans c.600 B.C. References by Homer and Vergil and in the Bible confirm that viticulture was widespread in the Mediterranean region in antiquity. Large areas of France, Italy, the Rhineland, Spain, and Portugal eventually proved hospitable to V. vinifera, which also flourished in Greece, North Africa, the Canary Islands, and the Azores. In A.D. 81 Emperor Domitian, fearing grain scarcity, restricted the spread of vineyards in Italy. The Romans also carried the vine to England, where its cultivation was attempted sporadically until the 19th cent. with scant success. Repeated attempts to transplant grapes to the New World began early in the 17th cent. but Tuscan vine growers in Virginia (working for Thomas Jefferson) and German immigrants from the Rhineland to Pennsylvania failed. Grape growing did not succeed in the early United States until the introduction of commercial varieties—the Catawba in 1830 and the Concord in 1849—of phylloxera-resistant species native to the E United States.