Ferradou N
Name of the variety in France
Ferradou
Origin
This variety was obtained by INRA in 1966 and results from the crossbreeding between Merlot and Fer.
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, Ferradou is officially listed in the "Catalogue of vine varieties" on the A list and classified.
Use
Wine grape variety.
Evolution of cultivated areas in France
2018
ha 0.5
Descriptive elements
The identification is based on:
- the tip of the young shoot with a high density of prostate hairs,
- the green or yellow young leaves,
- the pentagonal or wedge-shaped adult leaves, with five lobes, club- or U-shaped lateral sinuses, with a fairly frequent tooth inside, a closed petiole sinus with overlapping lobes, medium teeth, short compared to their width at the base with convex or straight sides, a weak to moderate anthocynanin coloratin of veins, a twisted, slightly goffered 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
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 137 223 239 186 188 246 238 227 239
Allel 2 137 234 239 188 194 260 238 233 239
Phenology
Bud burst: 6 days after Chasselas.
Grape maturity: mid-season, 3 weeks after Chasselas
Suitability for cultivation and agronomic production
Ferradou has a moderate vigor, with an erect bearing. It is easy to train and has an average production potential. Ferradou demonstrates good tolerance to water stress but the berries are a little sensitive to shrivelling when over ripe.
Susceptibility to diseases and pests
Ferradou is not very susceptible to downy mildew, powdery mildew and to grey rot but seem sensitive to wood diseases.
Technological potentiality
Ferradou's bunches are medium in size and moderately compact. The berries are small to medium in size. The sugar accumulation potential is high. Ferradou produces balanced and colored wines.
Clonal selection in France
The only certified Ferradou clone carries the number 1148.
Bibliographic references
- Documentary collections of the Centre de Ressources Biologiques de la Vigne de Vassal-Montpellier, INRAE - Montpellier SupAgro, Marseillan, France.
Description of clones certified in France
Identity and availability Agronomic data Technological data Autres informations
Clone no. Marque Origin Selection Year of
certification
Agronomic
references
Surface area used
for propagation (year)
Fertility Production
level
Bunch
weight
Vigor Berry
size
Susceptibility
to grey rot
Sugar
level
Color
potential
Titrable
acidity
Tannic
structure
Aromatic
intensity
Oenological
suitability
New General
note
Agro-tecnic
note
Note
agronomique
Agronomic
note
Links
1148 Gironde INRA - CA 11 - IFV 2010 Languedoc
Gironde
Clone consistent with the characteristics of the variety.