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Muscat bleu is a red Swiss wine and table
grape variety This list of grape varieties includes cultivated grapes, whether used for wine, or eating as a table grape, fresh or dried (raisin, Zante currant, currant, sultana (grape), sultana). For a complete list of all grape species, including those unimp ...
that is a hybrid of Garnier 15-6 and Perle noire. The grape was developed in Peissy in the
Canton of Geneva The Canton of Geneva, officially the Republic and Canton of Geneva, is one of the Cantons of Switzerland, 26 cantons of the Switzerland, Swiss Confederation. It is composed of forty-five Municipality, municipalities, and the seat of the governme ...
by Swiss grape breeder Charles Garnier in the 1930s. Today the grape is used as both a
table grape Table grapes are grapes intended for consumption as fresh fruit, as opposed to grapes grown for wine production, Juicing, juice production, jelly and jam making, or for drying into raisins. ''Vitis vinifera'' table grapes can be in the form of e ...
and for
winemaking Winemaking, wine-making, or vinification is the production of wine, starting with the selection of the fruit, its Ethanol fermentation, fermentation into alcohol, and the bottling of the finished liquid. The history of wine-making stretches over ...
, producing wines that Master of Wine
Jancis Robinson Jancis Mary Robinson OBE, ComMA, MW (born 22 April 1950) is a British wine critic, journalist and wine writer. She currently writes a weekly column for the ''Financial Times'', and writes for her website JancisRobinson.com, updated daily. She ...
describe as "soft and grapey". Outside Switzerland, some plantings of Muscat bleu can also be found in
Belgium Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...
.J. Robinson, J. Harding and J. Vouillamoz ''Wine Grapes - A complete guide to 1,368 vine varieties, including their origins and flavours'' pg 687 Allen Lane 2012


Pedigree

Muscat bleu is considered to be a " complex hybrid", meaning that within its lineage are grape varieties belonging to several different species of the grapevine genus, ''
Vitis ''Vitis'' (grapevine) is a genus of 81 accepted species 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, bot ...
''. Despite having the name ''Muscat'', there are actually no Muscat grape varieties closely related to Muscat bleu. The grape is the result of a crossing of Garnier 15-6 and Perle noire, both varieties themselves being inter-specific crossings with complex lineages. Garnier 15-6 is a crossing of
Villard noir Villard grapes are French wine hybrid grape created by French horticulturist Bertille Seyve and his father-in-law Victor Villard (father and grandfather, respectively, of grape breeder Joannes Seyve). They include the dark-skinned Villard noir an ...
, developed in Southwest France by Bertille Seyve and
Victor Villard The name Victor or Viktor may refer to: * Victor (name), including a list of people with the given name, mononym, or surname Arts and entertainment Film * ''Victor'' (1951 film), a French drama film * ''Victor'' (1993 film), a French shor ...
, and the ''
Vitis vinifera ''Vitis vinifera'', the common grape vine, is a species of flowering plant, native to the Mediterranean Basin, Mediterranean region, Central Europe, and southwestern Asia, from Morocco and Portugal north to southern Germany and east to northern ...
'' grape
Müller-Thurgau Müller-Thurgau () is a white grape variety (sp. ''Vitis vinifera'') which was created by Hermann Müller from the Swiss Canton of Thurgau in 1882 at the Geisenheim Grape Breeding Institute in Germany. It is a crossing of Riesling with Made ...
developed by Swiss grape breeder Hermann Müller. Villard noir is a crossing of the Seibel grapes
Chancellor Chancellor () is a title of various official positions in the governments of many countries. The original chancellors were the of Roman courts of justice—ushers, who sat at the (lattice work screens) of a basilica (court hall), which separa ...
and Les Subéreux which have ''
Vitis labrusca ''Vitis labrusca'', the fox grape, is a species of grapevines belonging to the ''Vitis'' genus in the flowering plant family Vitaceae. The vines are native to eastern North America and are the source of many grape cultivars, including Catawba, ...
'' and ''
Vitis riparia ''Vitis riparia'' Michx, with common names riverbank grape or frost grape, is a vine indigenous to North America. As a climbing or trailing vine, it is widely distributed across central and eastern Canada and the central and northeastern parts ...
'' and '' Vitis rupestris'' in their lineages. Müller-Thurgau is a crossing of two ''vinifera'' varieties,
Riesling Riesling ( , ) is a white grape variety that originated in the Rhine region. Riesling is an aromatic grape variety displaying flowery, almost perfumed, aromas as well as high acidity. It is used to make dry, semi-sweet, sweet, and sparkling ...
and Madeleine Royale. Perle noire is a crossing of the ''Vitis vinifera'' Spanish table grape variety Teneron and Seyve-Villard 12-358 which, itself, is a complex hybrid from the Seibel grapes Les Subéreux and Seibel 6468.


Viticulture

Muscat bleu is an early ripening variety that buds midway through the budding period of the
growing season A season is a division of the year marked by changes in weather, ecology, and the amount of daylight. The growing season is that portion of the year in which local conditions (i.e. rainfall, temperature, daylight) permit normal plant growth. Whi ...
. The vine produces large, loose clusters of large size berries that give off a sweet "grapey", Muscat-like aroma that can attract
wasp A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies (Symphyta), which look somewhat like wasps, but are in a separate suborder ...
s to the vineyard. Muscat bleu has good resistance to fungal infections such as
downy mildew Downy mildew refers to any of several types of oomycete microbes that are obligate parasites of plants. Downy mildews exclusively belong to the Peronosporaceae family. In commercial agriculture, they are a particular problem for growers of c ...
but is susceptible to the
viticultural hazards This is a list of diseases of grapes (''Vitis'' spp.). Bacterial diseases Fungal diseases Miscellaneous diseases and disorders Nematodes, parasitic Phytoplasma, virus and viruslike diseases See also *''Ampeloglypter ater'' *''Ampe ...
of
coulure Coulure (pronounced coo-LYUR) is a viticultural hazard that is the result of metabolic reactions to weather conditions that causes a failure of grapes to develop after flowering. In English the word ''shatter'' is sometimes used. Coulure is tri ...
and
millerandage Millerandage (or shot berries, hens and chicks and pumpkins and peas) is a potential viticultural hazard in which grape bunches contain berries that differ greatly in size and, most importantly, maturity. Its most common cause is cold, rainy or o ...
.


Wine regions

Today Muscat bleu is found in Switzerland and Belgium where it is used for both table grape and wine production. In Switzerland, the grape is a popular planting among home gardeners but as of 2009 at least of Muscat bleu was dedicated to commercial wine production.


Synonyms

As a relatively recently created hybrid, Muscat bleu does not have many synonyms, with only Aromato, Garnier 83/2, Muscat bleu Garnier and Muskat bleu generally recognized.
Vitis International Variety Catalogue The Vitis International Variety Catalogue (VIVC) is a database of various species and varieties/cultivars of grapevine, the genus ''Vitis''. VIVC is administered by the Geilweilerhof Institute for Grape Breeding (''Institut für Rebenzüchtung G ...
(VIVC)
Muscat bleu
' Accessed: June 11th, 2013


References

{{Hybrid grape varieties Red wine grape varieties Hybrid grape varieties