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In wild grapes, the species is dioecious; the sexes grow on separate vines with male flowers on one plant, and female flowers on another. Black Corinth is an "almost male" variety in that the flowers have well-developed anthers (male), but only tiny underdeveloped ovaries (female). [8]
A hybrid is a new grape variety that was produced from a cross pollination of two different grape species. In the early history of American winemaking , grape growers would cross the European Vitis vinifera vines with American vine varieties such as Vitis labrusca to create French-American hybrids that were more resistant to American grape ...
Following fruit set, the grape berries are green and hard to the touch. They have very little sugar and are high in organic acids. They begin to grow to about half their final size when they enter the stage of veraison. This stage signals the beginning of the ripening process and normally takes place around 40–50 days after fruit set.
A currant is a dried Zante Black Corinth grape, the name being a corruption of the French raisin de Corinthe (Corinth grape). The names of the black and red currant, now more usually blackcurrant and redcurrant, two berries unrelated to grapes, are derived from this use. Some other fruits of similar appearance are also so named, for example ...
Grapes typically have a natural protective coating called bloom. Produced by the plant itself, this whitish or blueish substance enrobes the outer layer and is more noticeable on black and red grapes.
Vitis (grapevine) is a genus of 81 accepted species [5] of vining plants in the flowering plant family Vitaceae. The genus consists of species predominantly from the Northern Hemisphere. It is economically important as the source of grapes, both for direct consumption of the fruit and for fermentation to produce wine.
A plant on which grapes grow. Vine density The number of vines per a define area of land (acres, hectare, etc). This can be influenced by many factors including appellation law, the availability of water and soil fertility and the need for mechanization in the vineyard. In many wine regions vine density will vary from 3000 to 10000 vines per ...
Vitis rupestris is a species of grape native to the United States that is known by many common names including July, Coon, sand, sugar, beach, bush, currant, ingar, rock, and mountain grape. It is used for breeding several French-American hybrids as well as many root stocks.