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Harvesting grapes. In the vineyard, the antepenultimate event is the harvest in which the grapes are removed from the vine and transported to the winery to begin the wine making process. In the Northern Hemisphere this is generally between September and October while in the Southern Hemisphere it is generally between February and April.
The optimum weather during the growing season is a long, warm summer that allows the grapes the opportunity to ripen fully and to develop a balance between the levels of acids and sugars in the grape. [39] Hot and sunny climates have a frost-free growing season of 200 days or more. [40]
This soil warms quickly and retains heat well. The soil's high level of acidity works to minimize the acid levels in the grapes which works well with acidic grapes like Gamay. It is the main soil type of the Brand region of Alsace. [2] Gravel – Loose siliceous pebble soil that has good drainage but poor fertility. Vines planted in this type ...
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Polyphenols located in the skin of grapes that includes the color pigments that gives both grapes and wine their color. Aoutement French term for the period of ripening when the vine's shoot stop growing and the plant shifts its carbohydrate production into reserves as it prepares for dormancy and next year's growth. During this time the leaves ...
In viticulture, the grape cluster (also bunch of grapes) is a fertilized inflorescence of the grapevine, the only part of this plant used for food. [1] The size of the grape bunch greatly varies, from few grams to kilograms, depending on the grape variety and conditions during the fruit set .
In North America, the most common grape juice is purple and made from Concord grapes, while white grape juice is commonly made from Niagara grapes, both of which are varieties of native American grapes, a different species from European wine grapes. In California, Sultana (known there as Thompson Seedless) grapes are sometimes diverted from the ...
In biology, the BBCH-scale for grapes describes the phenological development of grapes using the BBCH-scale. The phenological growth stages and BBCH-identification keys of grapes are: Growth stage