FETEASCA NEAGRĂ 6 Şt.
- Ripening period: Fourth (IV)
Grape cluster:
- Size: medium to large, 180 – 220 g
- Shape: cylindro-conical, bi-winged
- Compactness: compact
Berry:
- Size: medium, 1.6 – 1.8 g
- Shape: spherical
- Color: intense violet-black, pruinose (powdery bloom)
- Flesh: juicy
- Aroma: neutral
- Seeds: present
Tolerance:
- Drought: medium
- Plasmopara viticola (downy mildew): low
- Uncinula necator (powdery mildew): medium
Maintainer:
INCDBH Ștefănești – Argeș
Agrobiological and Technological Characterization:
Growth vigor is very high.
Fertility coefficients:
- Absolute: 1.10 – 1.50
- Relative: 0.6 – 1.3
Productivity index:
- Absolute: 180 – 220
- Relative: 1.00 – 1.40
Sugar concentration in must is high, averaging 210 – 240 g/L at over-ripeness, while acidity varies between 2.3 – 3.5 g/L H₂SO₄.
Average grape production ranges between 2.2 – 4.0 kg/vine, and yield per hectare can reach up to 16 tons in favorable years.
This variety consistently produces a well-structured wine with a high alcoholic potential of 11.2 – 12.8% vol. alcohol.
- Color: ruby red, maintaining well over time
- Tannins: young wine is somewhat harsh due to a high content of phenolic compounds
- Body: provided by the large amount of glycerol (a sweet alcohol)
- Color intensity is very strong due to polyphenols in the berry skins
Zoning:
Recommended for cultivation in all wine regions of the country.
The ‘Fetească Neagră 6 Șt.’ clone is distinguished by:
- Good tolerance to drought and frost (-24°C)
- High sugar concentration
Production direction:
Superior quality wines in the DOC. and DOCC categories.