Rayon d'Or B
Name of the variety in France
Rayon d'Or
Origin
Rayon d’Or (an interspecific hybrid) is the result of a crossbreeding between 405 Seibel and 2007 Seibel.
Synonyms
In France, this variety can officially be called "4986 Seibel" regarding plant propagation material.
Legal information
In France, Rayon d'Or is officially listed in the "Catalogue of vine varieties" on the A list and classified. This variety is also listed in the catalogue of the Netherlands.
Use
Wine grape variety.
Evolution of cultivated areas in France
1958 1968 2000 2008 2018
ha 6965 4412 7 7 6.6
Descriptive elements
The identification is based on:
- the tip of the young shoot with a medium density of prostate hairs,
- the green young leaves,
- the small pentagonal adult leaves, with five or seven lobes, deep lateral sinuses, a slightly open or closed with overlapping lobes U-shaped petiole sinus, large teeth, not numerous, short compared to their width at the base with convex sides, an involute, funnel-shaped, smooth and shiny leaf blade, and on the lower side of the leaves, a low density of erect hairs,
- the round-shaped berries
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 178 188 244 236 251 249
Allel 2 131 248 243 186 188 260 240 257 271
Phenology
Bud burst: 1 day after Chasselas.
Grape maturité: early-season, 1 week and a half after Chasselas.
Suitability for cultivation and agronomic production
Rayon d’Or is fairly fertile and can be pruned short or moderately long. It is best to trellis this variety.
Susceptibility to diseases and pests
Rayon d’Or resists well to downy mildew, black rot and to powdery mildew.
Technological potentiality
The bunches are medium in size and compact. The berries are also medium in size and very firm. Rayon d’Or produces quite heavy and ordinary wines.
Clonal selection in France
The only certified Rayon d'Or clone carries the number 1199.
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.
- Cépages et vignobles de France, tome 1. P. Galet, 1988, Ed. Dehan, Montpellier, France.
Description of clones certified in France
Identity and availability Agronomic data Technological data Autres informations
Clone no. Marque Origin Selection Year of
certification
Agronomic
references
Surface area used
for propagation (year)
Fertility Production
level
Bunch
weight
Vigor Berry
size
Susceptibility
to grey rot
Sugar
level
Color
potential
Titrable
acidity
Tannic
structure
Aromatic
intensity
Oenological
suitability
New General
note
Agro-tecnic
note
Note
agronomique
Agronomic
note
Links
1199 Hérault IFV - INRA 2013 Languedoc-Roussillon representative wines of the variety