Persan N
Name of the variety in France

Persan
Origin

This variety is found in the Savoie and Isère regions.
Synonyms

In Italy, Persan is officially designated as "Becuet". This synonym is officially recognized in France regarding plant propagation material.
Legal information

In France, Persan is officially listed in the "Catalogue of vine varieties" on the A list and classified. This variety is also listed in the catalogue of Italy.
Use

Wine grape variety.
Evolution of cultivated areas in France

1958 | 1968 | 1979 | 1988 | 2000 | 2008 | 2018 | |
---|---|---|---|---|---|---|---|
ha | 201 | 179 | 18 | 8 | 3 | 6 | 20 |
Descriptive elements

The identification is based on:
- the tip of the young shoot with a high density of prostrate hairs,
- the yellow or green young leaves with slightly bronze spots,
- the large, circular or kidney-shaped, dark green adult leaves, with five lobes, an open petiole sinus, short teeth compared to their width at the base with straight or convex sides, a weak anthocyanin coloration of veins, an involute, sometimes goffered leaf blade, and on the lower side of the leaves, a low density of erect and prostrate hairs,
- the narrow ellipsoid berries.
- the tip of the young shoot with a high density of prostrate hairs,
- the yellow or green young leaves with slightly bronze spots,
- the large, circular or kidney-shaped, dark green adult leaves, with five lobes, an open petiole sinus, short teeth compared to their width at the base with straight or convex sides, a weak anthocyanin coloration of veins, an involute, sometimes goffered leaf blade, and on the lower side of the leaves, a low density of erect and prostrate hairs,
- the narrow ellipsoid berries.
Genetic profile

Microsatellite | VVS2 | VVMD5 | VVMD7 | VVMD27 | VRZAG62 | VRZAG79 | VVMD25 | VVMD28 | VVMD32 |
---|---|---|---|---|---|---|---|---|---|
Allel 1 | 149 | 225 | 239 | 182 | 188 | 240 | 248 | 233 | 239 |
Allel 2 | 149 | 236 | 257 | 186 | 194 | 252 | 262 | 233 | 251 |
Phenology

Bud burst: 3 days after Chasselas.
Grape maturity: mid-season, 3 weeks and a half after Chasselas.
Grape maturity: mid-season, 3 weeks and a half after Chasselas.
Suitability for cultivation and agronomic production

Persan is a vigorous variety which is generally pruned long, trained and managed in high growth vine stocks. Good results can be obtained on limestone scree soils.
Susceptibility to diseases and pests

Persan is susceptible to downy and powdery mildew.
Technological potentiality

The bunches and berries are small. Persan produces tannic wines, with a good acidity, that are suited for ageing.
Clonal selection in France

The only certified Persan clone carries the number 1110. A conservatory of 15 or so clones was planted in 1999 in the wine-growing region of Savoie.
Bibliographic references


- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi, France.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Montpellier SupAgro, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
- Traité général de viticulture, Ampélographie. P. Viala and V. Vermorel, 1901-1909, Ed. Masson, Paris, France.
- Registro nazionale delle varieta di vite. Ministère de l’agriculture italien, under the name "Becuet", [web site, visited in 2020].
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Montpellier SupAgro, Marseillan, France.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
- Traité général de viticulture, Ampélographie. P. Viala and V. Vermorel, 1901-1909, Ed. Masson, Paris, France.
- Registro nazionale delle varieta di vite. Ministère de l’agriculture italien, under the name "Becuet", [web site, visited in 2020].
Description of clones certified in France
