Ferradou N
Name of vine variety in France
Ferradou
Origin
This variety was obtained by INRA in 1966 and results from the crossbreeding between Merlot N and Fer N.
Synonymy
Regulations
In France, Ferradou N is officially listed in the "Catalogue of vine varieties".
Use
Wine grape variety
Evolution of area under vines in France
2016
ha 0
Description
Identification signs include:
- the tips of the young shoots have a dense cover of flat-lying hairs,
- young green or yellow leaves,
- pentagonal or heart shaped adult leaves, 5-lobed with a closed petiolar sinus with overlapping lobes; medium size teeth, short compared to width at base; convex or straight sides, low to moderate anthocynanin coloratin of veins; jagged leaf blade, slightly bubbled; lateral sinuses have a flat or U-shaped base; frequently has a tooth at the base; underside has a sparse to moderate cover of flat-lying and upright hairs.- 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: period II, 3 weeks after Chasselas
Suitability for cultivation and agronomic production
Ferradou N has moderate vighor, grows upright; easy to train and has moderate production potential.  On a vegetative level, Ferradou N demonstrates good tolerance to water stress but the berries are somewhat sensitive to wilting when over ripe.
Sensitivity to diseases and pests
Ferradou N is somewhat susceptible to downy mildew, powdery mildew and to grey rot but would appear sensitive to wood disease.
Technological potential
Ferradou N clusters are moderate in size and compactness; berries are small to medium size. High potential for sugar accumulation. Ferradou N has potential for producing balanced and colorful wines.
Clonal selection in France
The only approved Ferradou N clone carried the number 1148
Bibliographic references
Documentation interne du Domaine de Vassal. 1949-2011, INRA, Marseillan-plage
Description of clones approved in France
Identity and availability Agronomic data Technical data
Clone number Origin Selection Fertility Production level Sugar content Potential color
Year approved Agronomic references Weight of grape clusters Vigor Total acidity Tannic structure
Growing surface area Size of berries Sensitivity to Botrytis Aromatic intensity Oenological aptitudes
1148  Gironde  INRA - CA 11 - IFV        
 2010  Languedoc - Gironde        
         
Clone conforms to variety characteristics