Katharina Rs
Name of the variety in France
Katharina
Origin
The variety Katharina was obtained by G. Weiss and G. Mayer in Austria. This interspecific hybrid results from the crossbreeding of Eger and Original.
Synonyms
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Legal information
In France, Katharina is officially listed in the "Catalogue of vine varieties" since 2013 on the A list.
Use
Variety exclusively for amateurs and private domestic use.
Evolution of cultivated areas in France
2018
ha 0
Descriptive elements
The identification is based on:
- the tip of the young shoot with a medium density of prostate hairs,
- the copper red young leaves with a medium density of prostate hairs,
- the shoots with internodes that are red on the dorsal side and red-striped on the ventral side,
- the circulo-kidney-shaped, adult leaves, entire or with three lobes, with shallow lateral sinuses, an open U-shaped petiole sinus, long to medium teeth compared to their width at the base with straight sides or one side concave and one side convex, a strong anthocyanin coloration of veins, a twisted or involute leaf blade, and on the lower side of the leaves, a low density of erect and prostate hairs,
- the ovoid berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 176 194 246 240 227 239
Allel 2 131 234 251 191 194 250 240 257 271
Phenology
Bud burst: 11 day after Chasselas.
Grape maturity: early-season, 1 week after Chasselas.
Suitability for cultivation and agronomic production
This variety is vigorous but moderately fertile.
Susceptibility to diseases and pests
Katharina is not very sensitive to downy mildew, powdery mildew and grey rot. This variety is however sensitive to phomopsis.
Technological potentiality
Katharina’s bunches are large. The berries are large to very large, with a thin skin and a juicy pulp.
Clonal selection in France
There is no certified clone for this variety yet.
Bibliographic references
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Montpellier SupAgro, Marseillan, France.
- Tafeltrauben: interessante neue Sorten. G. Goetz, 2005, Germany.
- Journal of Horticultural Research 2014, vol. 22(1): 101-107, J. Lisek, Poland.