Négrette N
Name of vine variety in France
Négrette
Origin
This vine variety is originally from the south west of France.
Synonymy
Regulations
In France, Négrette N is officially listed in the "Catalogue of vine varieties".
Use
Wine vine variety
Evolution of area under vines in France
1958 1968 1979 1988 1998 2008 2016
ha 1523 1733 1125 1167 1250 1487 1109
Description
Identification signs include:
- the tip fo the young shoot has a dense coat of flat-lying hairs,
- the young leaves are green or yellow,
- adult leaves are orbicular, dark green, whole or with 5 lobes with a petiolar sinus with parallel edges and growth of secondary veins near the petiolar point; short teeth with convex sides, a flat and shiny leaf blade, bubbled, slightly revolute and the underside with a low to moderate coat of upright hairs and a moderate coat of flat-lying hairs,
- round-shaped or very slightly elliptical-shaped berries.
Genetic profile
Microsatellite VVS2 VVMD5 VVMD7 VVMD27 VRZAG62 VRZAG79 VVMD25 VVMD28 VVMD32
Allel 1 131 223 239 176 188 240 238 233 239
Allel 2 131 236 262 182 202 260 238 243 251
Phenology
Bud burst: 9 days after Chasselas.
Grape maturity: period II, 2 to 2 and 1/2 weeks after Chasselas.
Suitability for cultivation and agronomic production
This vine variety with its late bud burst displays good vigor and is sufficiently fertile when short-pruned. Its susceptibility  however, to coulure or to  millerandage sometimes causes irregular production. The grape cluster stalk is short. Négrette N produces good results on boulbènes, gravelly and even sandy soils.
Sensitivity to diseases and pests
Négrette N is very susceptible to grey rot, powdery mildew along with leaf hoppers and mites.
Technological potential
Grape clusters are small and the berries small to moderate in size. This vine variety produces pleasant, aromatic, and rich in anthocyanin wine. It is generallt not very tannic and acid, so these wines lack liveliness and brillance. Ageing capacity is limited so this wine should preferably be consumed young. Négrette N likewise produces balanced rosé wine.
Clonal selection in France
The 5 approved Négrette N clones carry the numbers 456, 580, 581, 582 and 663. A conservatory containing 190 clones was set up in 1997 in the Fronton region (Haute-Garonne).
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 1. P. Galet, 1990, Ed. Dehan, Montpellier.
- Ampélographie. P. Viala et V. Vermorel, 1902-1910, Ed. Masson, Paris.
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
456  Tarn-et-Garonne  ENTAV  medium  medium  medium  
 1976  Haute-Garonne  medium      
         distinctive wines of the vine variety
Clone with whole leaves
580  Haute-Garonne  ENTAV  medium  medium  medium  
 1978  Haute-Garonne  medium      
         distinctive wines of the vine variety
581  Haute-Garonne  ENTAV  low to medium  medium  high  
 1978  Haute-Garonne  medium    medium to high  
 0.99 ha        distinctive wines of the vine variety
Clone with lobed leaves. Steadier production.
582  Haute-Garonne  ENTAV  high  high  medium  
 1978  Haute-Garonne  high      
         Distinctive wines of the vine variety
663  Haute-Garonne  ENTAV  low  low  medium to high  medium to high
 1980  Haute-Garonne  low      medium to high
 1.13 ha        distinctive wines of the vine variety
Clone with more or less lobed leaves