Autumn Royal is a seedless

table grape Table grapes are grapes intended for consumption while fresh, as opposed to grapes grown for wine production, juice production, or for drying into raisins. ''Vitis vinifera'' table grapes can be in the form of either seeded or non-seeded varieta ...

variety first produced in

California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the m ...

, and released in 1996. Its parentage includes many types of grapes, including Black rose, Calmeria,

Flame Seedless The Flame Seedless (''Vitis vinifera'') is a vigorous, heavy-bearing table grape cultivar that keeps well in storage. It is a hybrid of Thompson Seedless, Cardinal, and several other ''Vitis vinifera'' cultivars. It produces large clusters of me ...

and Ribier.

Description

The berries of the Autumn Royal are larger than most other grape varieties produce. The berries naturally weigh at least 8 grams, compared with the berries of the

Thompson seedless The sultana is a "white" (pale green), oval seedless grape variety also called the sultanina, Thompson Seedless (United States), Lady de Coverly (England), and oval-fruited Kishmish (Iraq, Iran, Israel, Palestine, Pakistan, Afghanistan, India) ...

, which weigh 6-7 grams even when girdled and treated with

gibberellin Gibberellins (GAs) are plant hormones that regulate various developmental processes, including stem elongation, germination, dormancy, flowering, flower development, and leaf and fruit senescence. GAs are one of the longest-known classes of plan ...

.Matthew Fidelibus, Carmen Gispert, David Ramming, and Stephen Vasquez. "Viticultural Information." - UC Integrated Viticulture Online. University of California, n.d. Web. 19 Nov. 2015. . It is currently the largest natural berry size among seedless cultivars. The berries are in an ovaloid shape and purple to black in color.

Commercial appeal

The main commercial appeal to Autumn Royal grapes is their large natural size and late maturity. Because of their large natural size, it is not necessary for growth treatments to be used. Relatively few inputs are required to produce high-quality fruit. According to a 2010-11 report to the California Table Grape Commission, Autumn Royal is among the fourteen top-selling California-grown grapes in the state."Top Varieties." Grapes from California. California Table Grape Commission, n.d. Web. 19 Nov. 2015. .

References

{{Reflist Table grape varieties