Zéta is a Hungarian wine grape

Grape

A grape is a non-climacteric fruit, specifically a berry, that grows on the perennial and deciduous woody vines of the genus Vitis. Grapes can be eaten raw or they can be used for making jam, juice, jelly, vinegar, wine, grape seed extracts, raisins, molasses and grape seed oil. Grapes are also...

, a crossing of Furmint

Furmint

Furmint is a variety of wine grape from the Pontian Balcanica branch of Vitis vinifera, used for white wines. The name Furmint is taken from the word "froment" for the wheat-gold color of the wine it produces. While it is possible that it the grape is native to Hungary, the grape was likely...

 and Bouvier

Bouvier (grape)

Bouvier is a white wine grape and table grape planted primarily in Central Europe-most notably Austria, Hungary, Slovakia and Slovenia where it is also known as Ranina....

. It was introduced to the Tokaj-Hegyalja

Tokaj-Hegyalja

Tokaj-Hegyalja is a historical wine region located in southeastern Slovakia and northeastern Hungary. Hegyalja means "foothills" in Hungarian, and this was the original name of the region....

 wine

Wine

Wine is an alcoholic beverage, made of fermented fruit juice, usually from grapes. The natural chemical balance of grapes lets them ferment without the addition of sugars, acids, enzymes, or other nutrients. Grape wine is produced by fermenting crushed grapes using various types of yeast. Yeast...

 region of Hungary

Hungary

Hungary , officially the Republic of Hungary , is a landlocked country in Central Europe. It is situated in the Carpathian Basin and is bordered by Slovakia to the north, Ukraine and Romania to the east, Serbia and Croatia to the south, Slovenia to the southwest and Austria to the west. The...

 in 1951 and authorized for production in 1990. Previously known as Oremus, its name was changed to Zéta in 1999. Its main asset is a particular aptitude for high sugar concentrations, early ripening and susceptibility for botrytis

Botrytis cinerea

Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold.The fungus gives rise to two different kinds of...

.

As Oremus, it was used in the production of Tokaji

Tokaji

Tokaji is the name of the wines from the region of Tokaj-Hegyalja in Hungary and Slovakia. The name Tokaji is used for labeling wines from this wine district. This region is noted for its sweet wines made from grapes affected by noble rot, a style of wine which has a long history in this region...

wines.