Seinoir N
Name of the variety in France
Seinoir (an interspecific hybrid) is the result of crossbreeding 5163 Seibel and 880 Seibel.
In France, this variety can officially be called "8745 Seibel" regarding plant propagation material.
Legal information
In France, Seinoir is officialy listed in the "Catalogue of vine varieties" on the A list and classified.
Wine grape variety.
Evolution of cultivated areas in France
1958 1968 1998 2008 2018
ha 5139 4478 190 109 62
Descriptive elements
The identification is based on:
- the tip of the young shoot with a low density of prostrate,
- the bronzed young leaves,
- the pentagonal or circular adult leaves, entire or with three lobes, with a slightly open V-shaped petiole sinus or closed with slightly overlapping lobes, very long teeth compared to their width at the base with straight sides or with one side convex and one side concave, an involute, goffered leaf blade, and on the lower side of the leaves, a medium density of erect hairs, 
- the round-shaped or broad ellipsoid berries.
Genetic profile
Allel 1 131 242 243 178 188 244 240 237 255
Allel 2 137 261 249 186 194 260 242 241 255
Bud burst: 6 days before Chasselas.
Grape maturity: early-season, same as Chasselas.
Suitability for cultivation and agronomic production
Seinoir is moderately vigorous.
Susceptibility to diseases and pests
Seinoir is susceptible to downy mildew and grey rot but resists well against powdery mildew. It must be grafted.
Technological potentiality
The bunches are small to medium in size and the berries are medium size with a foxy and herbaceous flavor. Seinoir produces mediocre, very colored wines with the presence of diglucoside anthocyanins.
Clonal selection in France
There is no certified clone for this variety yet.
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 - Institut Agro | Montpellier, Marseillan, France.
- Cépages et vignobles de France, tome 1. P. Galet, 1988, Ed. Dehan, Montpellier, France.