Vitis vinifera 'Red Gem'

Cultivar

Angiosperms > Vitales > Vitaceae > Vitis > Vitis vinifera

Characteristics

A perennial hermaphrodite deciduous shrub.
Life form perennial
Growth form shrub
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Foliage retention deciduous
Sexuality hermaphrodite
Pollination anemogamy
Spread endozoochory
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Cultivation

Origin: in Delano, Calif., by Luigi Chiarappa, Di Giorgio Fruit Corp., San Francisco, Calif. Introd. in 1964. Plant patent 2397; 28 Apr. 1964; assigned to Di Giorgio Fruit Corp. Queen × Emperor; selected in 1960. Cluster: large, averaging 9 inches long and 550 g, with a range of 6-13 inches; loose; conical; well-filled; with few or no shot berries; average of two clusters/cane. Berry: large, averaging 3/4 to 1 inch in diam.; a prolate ellipsoid; skin red in sun, sometimes greenish at stem end, tough, averaging 0.16 mm thick, not as easily separable from pulp as Emperor; seeds average three/berry, 7 mm long; flesh white, very firm, crisp, moderately juicy; averages 17° to 19°Brix, well-balanced sugar:acid ratio; very fine eating quality; primarily a table variety, but can be used for wine; ripens in Tulare County, Calif., about 1 Sept. if vines not girdled, about 1 month before Emperor and 1-2 weeks after Queen; storage quality good for 4 months under refrigeration; strongly attached to capstem. Tree: Fruit:
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Minimum temperature (C°) -19
Optimum temperature (C°) 18 - 30
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Vitis vinifera 'Red Gem'