REGESSIS

Ripening period: Third (III)
Grape cluster:
- Size: large, 347 – 359 g
- Shape: cylindro-conical, winged
- Compactness: loose
Berry:
- Size: medium, 3.4 – 3.9 g
- Shape: narrow elliptic
- Color: red-violet
- Flesh: semi-crunchy
- Aroma: none
- Seeds: absent
Tolerance:
- Drought: medium to high
- Plasmopara viticola (downy mildew): increased
- Uncinula necator (powdery mildew): increased
Parentage:
‘Victoria’ x ‘Black Pearl’
Maintainer:
INCDBH Ștefănești – Argeș
Agrobiological and Technological Characterization:
Growth vigor is high to very high, with good fertility at 65% fertile shoots.
Fertility coefficient:
- Absolute: 1.2 – 1.4
- Relative: 0.72 – 1.00
Productivity index:
- Absolute: 416 – 489
- Relative: 253 – 349
Sugar concentration in must varies between 183 – 198 g/L, and total acidity ranges from 2.6 to 3.2 g/L H₂SO₄.
Average yield per vine is 2.8 kg, and yield per hectare is 12 – 13 tons.
Zoning:
Recommended for cultivation in most wine-growing regions of the country, especially in southern areas.
The ‘Regessis’ variety is notable for:
- Apirenic (seedless)
- Large grape cluster size
- High sugar concentration in must
- Early ripening
- Medium to high drought tolerance
- Good resistance to downy mildew and powdery mildew
- Very attractive commercial appearance
Production direction:
Fresh consumption and processing.