Knipperlé B
Name of vine variety in France
Knipperlé
Origin
This vine variety is originally from the Alsace region and based on published genetic analyses, is derived from the crossbreeding of Gouais B and Pinot.
Synonymy
No synonym is officially recognized in France, nor in other countries of the European Union.
Regulations
In France, Knipperlé B is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 2016
ha 152 104 13 7 0.2
Description
Identification signs include:
- the tip of the young shoot has a heavy coat of flat-lying hairs,
- the young leaves are green or yellow; the shoots have red internodes,
- adult leaves are dark green, orbicular, whole or 3 lobes with a slightly open V-shaped base petiolar sinus, shallow lateral sinuses, short teeth compared to width at base, moderate anthocyanin pigmentation, revolute leaf blade, jagged and the underside with a slight to moderate coat of flat-lying hairs,
- 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: period II, 2 weeks after Chasselas.
Suitability for cultivation and agronomic production
Knipperlé B grows upright and is well adapted to winter cold. It is on the other hand susceptible to chlorosis.
Sensitivity to diseases and pests
Knipperlé B is especially susceptible to grape catepillars and grey rot.
Technological potential
The grape clusters and berries are small. Knipperlé B produces pleasant, supple (not very acid) and warm (fairly rich in alcohol) wines to be consumed quickly.
Clonal selection in France
There are no approved clones for this variety at the present time. A conservatory of 65 clones was set up in 2003 in Alsace.
Bibliographic references
- Catalogue des variétés et clones de vigne cultivés en France. Collectif, 2007, Ed. IFV, Le Grau-du-Roi.
- Documentation interne du Domaine de Vassal. 1949-2011, INRA, Marseillan-plage.
- Cépages et vignobles de France, tome 2. P. Galet, 1990, Ed. Dehan, Montpellier.
- Ampélographie. P. Viala et V. Vermorel, 1902-1910, Ed. Masson, Paris.