Knipperlé B
Name of the variety in France

Knipperlé
Origin

This variety is originally from the Alsace region and, based on published genetic analyses, it would be the result of crossbreeding Gouais blanc and Pinot.
Synonyms

In Croatia, Knipperlé is officially designated as "Klessec". This synonym is officially recognized in France regarding plant propagation material.
Legal information

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

Wine grape variety.
Evolution of cultivated areas in France

1958 | 1968 | 1979 | 1988 | 2018 | |
---|---|---|---|---|---|
ha | 152 | 104 | 13 | 7 | 0.2 |
Descriptive elements

The identification is based on:
- the tip of the young shoot with a high density of prostrate hairs,
- the green or yellow young leaves,
- the shoots with red internodes,
- the circular dark green adult leaves, entire or with three lobes, shallow lateral sinuses, with a slightly open V-shaped petiole sinus, short teeth compared to their width at the base, a moderate anthocyanin coloration of veins, a revolute twisted leaf blade, and on the lower side of the leaves, a low to medium density of prostrate hairs,
- the round-shaped berries.
- the tip of the young shoot with a high density of prostrate hairs,
- the green or yellow young leaves,
- the shoots with red internodes,
- the circular dark green adult leaves, entire or with three lobes, shallow lateral sinuses, with a slightly open V-shaped petiole sinus, short teeth compared to their width at the base, a moderate anthocyanin coloration of veins, a revolute twisted leaf blade, and on the lower side of the leaves, a low to medium density of prostrate hairs,
- the round-shaped berries.
Genetic profile

Microsatellite | VVS2 | VVMD5 | VVMD7 | VVMD27 | VRZAG62 | VRZAG79 | VVMD25 | VVMD28 | VVMD32 |
---|---|---|---|---|---|---|---|---|---|
Allel 1 | 141 | 225 | 239 | 176 | 194 | 238 | 248 | 227 | 239 |
Allel 2 | 149 | 232 | 239 | 186 | 196 | 246 | 254 | 235 | 249 |
Phenology

Bud burst: same as Chasselas.
Grape maturity: mid-season, 2 weeks after Chasselas.
Grape maturity: mid-season, 2 weeks after Chasselas.
Suitability for cultivation and agronomic production

Knipperlé has an erect bearing and is well adapted to winter cold. It is on the other hand susceptible to chlorosis.
Susceptibility to diseases and pests

Knipperlé is mostly susceptible to grape moths and grey rot.
Technological potentiality

The bunches and berries are small. Knipperlé produces pleasant, supple (not very acidic) and warm (fairly rich in alcohol) wines that needs to be consumed quickly.
Clonal selection in France

There is no certified clone for this variety yet. A conservatory of 60 or so clones was planted in 2003 in Alsace.
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.
- 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.
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Institut Agro | Montpellier, 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.