Glera B
Name of the variety in France
Glera comes from Italy.
There is no officially recognized synonym in France nor in the other countries of the European Union, for this variety.
Legal information
In France, Glera is officially listed in the "Catalogue of vine varieties" since 2020 on the A list but is not yet classified. This variety is also listed in the catalogues of other Member States of the European Union: Bulgaria, Croatia, Italy and Slovenia.
Wine grape variety.
Descriptive elements
The identification is based on:
- the white tip of the young leaves with a high density of prostate hairs,
- the yellowish young leaves with bronze spots and a high density of prostate hairs,
- the shoots with red-striped or slightly red internodes,
- the pentagonal or wedge-shaped adult leaves, with three or five lobes with involute edges, a slightly open U- or brace-shaped petiole sinus, with sometimes a tooth on the edge, medium length teeth compared to their width at the base with straight or convex sides, no anthocyanin coloration of veins, a twisted, finely blistered leaf blade, and on the lower side of the leaves, a low to medium density of erect and prostate hairs,
- the round-shaped berries.
Genetic profile
Allel 1 131 223 239 176 188 250 238 235 261
Allel 2 141 244 247 191 204 260 242 243 263
Bud burst: 4 days after Chasselas.
Grape maturity: late-season, 4 weeks after Chasselas.
Suitability for cultivation and agronomic production
Glera is vigorous and has a drooping bearing. It is usually pruned long to increase the yields and needs to be well trellised. This variety provides sufficient and regular yields and its ramifications are not very fertile. As its bud burst is early, Glera is sensitive to sping frosts. It is susceptible to coulure, millerandage and drought.
Susceptibility to diseases and pests
Glera is sensitive to downy mildew, powdery mildew and phytoplasmas (flavescence dorée).
Technological potentiality
Glera's bunches are medium to large in size and not very compact. The berries are medium in size, with a simple flavor, a thin skin and a juicy pulp. This variety gives mostly sparkling wines of the "spumante" or "frizzante" style, with a low alcohol degree and a good acidity. Glera can also be used to produce light-bodied, rather lively and harmonious in the mouth dry white wines.
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.
- Dictionnaire encyclopédique des cépages et de leurs synonymes. P. Galet, 2015, Ed. Libre&Solidaire, France.
- Registro nazionale delle varieta di vite. Ministère de l’agriculture italien [web site, visited in 2020].
- Principali vitigni da vino coltivati in Italia. G. Dalmasso et al., 1952, Italy.
- Vitigni d’Italia. A. Calò et al., 2001, Ed. Calderini edagricole, Italy.
- Wine Grapes. J. Robinson et al., 2012, Ed. Penguin, England.
- Vitigni italiani, loro caratterizzazione e valorizzazione. Bavaresco et al., 2015, Ed. Gianni Sartori, Italy.