Prima
Cultivar obtained by INRA in France in 1974 crossing Lival with Cardinal.
CULTIVATED AREA IN ITALY
|
YEAR |
1990 |
2000 |
2010 |
|
HECTARES |
– | – | 5 |
Bud-burst period: everage-late.
Ripening period: early.
Vigour: everage.
Real fertility: 1,1.
Yield: good and regular.
Cluster weight: 300-400 g.
Berry weight: 5-6 g.
Berry seeds: 2 per berry.
Sugar content: 14-15%.
Total acidity: 4,50‰.
PH: 3,40.
Transportation resistance: good.
Ampelographic characters:
the bud has a green opened-leaf apex with an average density of laying hairs. The orbicular or cuneiform leaf has 5 or 7 lobes, deep lateral sinuses and a U-shaped petiolar sinus, often limited by ribs. The ribs are averagely red pigmented. The lower side is slightly hairy. The cluster is medium-sized and semi-sparse. The berries are medium-sized, uniformly and intensely coloured. The skin is thick and the pulp is averagely crunchy.
Training system and pruning:
variety with semi-upright growth habit, requiring short or medium-long pruning. Green pruning, leaf-thinning and suckering are required.
Susceptibility to diseases and adverse conditions:
susceptible to coulure and green millerandage which can often occur in cold and rainy springs. A bit susceptible to botrytis.
Overall rating:
interesting variety as far as precocity, productivity, cluster-sparsity and uniformity in cluster colour.