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Vine training systems utilize the practice of trellising and pruning in order to dictate and control a grape vine's canopy which will influence the potential yield of that year's crop as well as the quality of the grapes due to the access of air and sunlight needed for the grapes to ripen fully and for preventing various grape diseases. [5]
The height of the trunk varies depending on grape variety and the type of trellis system being used and can range from 4 inches (10 cm) to 30 feet (10 m). During winter dormancy , the trunk can be vulnerable to extreme freezing conditions and will be sometimes buried and insulated with soil to protect it.
Retrieved from "https://en.wikipedia.org/w/index.php?title=Grape_vine_trellis&oldid=407944157"This page was last edited on 15 January 2011, at 01:36 (UTC) (UTC)
The skin of the grape accounts for 5 to 20% of the total weight of a grape depending on the variety. [34] When grape skin ripens, it contains the majority of the aromatic substances and tannin. [35] These factors become important in winemaking for methods including color extraction or aroma dissolution. [36]
During this stage the colors of the grape take form—red/black or yellow/green depending on the grape varieties. This color changing is due to the chlorophyll in the berry skin being replaced by anthocyanins (red wine grapes) and carotenoids (white wine grapes).
Cissus trifoliata, known variously as possum-grape, sorrelvine, vine-sorrel, or hierba del buey is a New World plant species in the grape family.It is native to the southern United States, Mexico (Quintana Roo, Yucatán, Michoacán, Oaxaca, Puebla, Veracruz, Baja California, Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Sinaloa, Sonora, and Tamaulipas), Venezuela, Colombia and ...
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Vitis labrusca, the fox grape, is a species of grapevines belonging to the Vitis genus in the flowering plant family Vitaceae. The vines are native to eastern North America and are the source of many grape cultivars , including Catawba , Concord , Delaware , Isabella , Niagara , and many hybrid grape varieties such as Agawam , Alexander and Onaka .