Grape variety and grafted vine plant Arinto: all the secrets

Arinto

Cultivated throughout Portugal. Also known as Pedernã.

CULTIVATED AREA IN PORTUGAL

YEAR	2000	2011
HECTARES	5.900	3.311

Budburst period: late.
Ripening period: late.
Yield: traditionally a poorly productive vine, its yield has improved noticeably, thanks to the selection of healthy propagation materials.

Ampelographic characters:

it has an open shoot apex, ribbed distribution and a weak intensity of anthocyanin pigmentation on the edge. The growth habit is upright, with highly vigorous shoots. It has a large leaf of pentagonal shape and five lobes. It presents short, convex-sided teeth and a closed V-shaped petiolar sinus, open upper lateral sinuses, the base of the upper lateral sinuses is V-shaped. The cluster is large and compact, with medium stem. The small, uniform, elliptical, short berry with visible navel has a coloured, juicy, soft pulp; short, hard to detach seeds.

Cultural aptitude:

very vigorous vine with upright growth habit.

Training system and pruning:

it prefers relatively extended training systems and medium-long pruning.

Susceptibility to diseases and adverse conditions:

averagely susceptible to botrytis.

Enological potential:

medium sugar content, very high total acidity; it produces white wines with green reflections, characterized by a remarkable aromatic range, with strong acidity and intense aroma, suitable for aging.