Treixadura (ES) / Trajadura (PT)

Variety: white | Category III | Portugal/Spain

General Information



Origin: Galicia and Minho, according to Vila Maior (1875).

Chief areas of distribution: The entire Minho region, Galicia.

Historic and regional synonyms: Trincadente.

Homonym(s): None

Area under cultivation: 2,200 ha (PT), 600 ha (ES).

New plantings: 0.4%.

Trend: Upward.

Varietal variability: Medium.

Availability of propagating material: RNSV polyclonal material, and Clone 85 -89 RNSV available.

VVMD5 VVMD7 VVMD27 VrZag62 VrZag79 VVS2
Allele1 Allele2 Allele1 Allele2 Allele1 Allele2 Allele1 Allele2 Allele1 Allele2 Allele1 Allele2
224 236 235 247 181 185 186 186 247 247 145 153

Recommended in Portugal: Galicia.

DOC quality wine: all Vinho Verde areas (except Baião)

Regional wine: Minho.

Young shoot (form of tip): Open, fuzzy, white with weak anthocyanin colouration of the end.

Young leaf: Yellow, with bronze and copper spots. Fluffy on the lower side.

Young shoot: Red stripes on the dorsal side of nodes and internodes, green buds. Short tendrils.

Inflorescence (sex of flower): Hermaphrodite.

Mature leaf: Medium size, round, entire or three lobes. Medium green blade, flat, some blistering. Medium and long convex teeth. Open U-shaped petiolar sinus. Sparse prostrate hairs and sparse erect hairs on lower side of blade.

Bunch: Medium to large, cylindrical-conical with double wings. Very thick, short peduncle.

Berry: Medium to large, ovate, yellowish green. Berry skin thin and frosted. Flesh firm and very juicy. Short peduncle.

Woody shoot: Yellowish brown.

Time of bud burst: Medium to late, 9 days after the Fernão Pires.

Flowering: Normal, 6 days after the Fernão Pires,

Berry (colour change): Late, 11 days after the Fernão Pires

Berry (harvest ripe): Normal to late.

Vigour of shoot growth: Medium to high.

Pruning weight:: Upright, some plagiotropic (drooping).

Shoot attitude (habit): Upright, some plagiotropic (drooping).

Length of internodes: Long and medium.

Shoot length: Short and medium.

Tendency to form lateral shoots: Medium.

Rate of multiple bud bursts: Zero.

Bud fertility index: On average, 1.7 flowers per shoot.

Yield: High (10,000 – 17,500 kg/ha). RNSV statistical values: 4.5 kg/vine (Average of at least 40 clones in Arcos de Valdevez over 5 years).

Yield consistency: Consistent.

Crop uniformity: Uniform.

Winkler Index: 1,227.

Sensitivity to abiotic factors: Rustic variety. Berries may burst with excessive water in the ripening phase.

Susceptibility to fungal diseases: Susceptible to Peronospora; very susceptible to Bunch Rot (Botrytis) and Excoriosis (Phomopsis viticola Sacc.).

Systemic viral infection prior to selection: 40% GLRaV-3, 40% GFkV, <50% RSPV.

Susceptibility to Pests: Aphids, mealybugs.

Bunch size: Medium to large (365 - 404 g).

Bunch density: Very dense.

Berry skin: Thick, firm.

Seeds per berry: 1.7.

Vineyard conduction system: All types of training systems.

Soil requirement: Loose, well drained soils.

Climatic requirements: Tolerates air and soil humidity, and strong sun.

Vine density: Vine spacing should always be greater than 1 m.

Rootstock: Compatible with 196-17, SO4, 161-49, R110.

Irrigation: In extreme drought conditions.

Incidence of coulure/millerandage: Susceptible (Vila Maior, 1875).

Spoilage of mature berries: Heavy rain in Autumn can cause berries to burst.

Risk of bird damage: None.

Machine harvest suitability: Not common regionally, because training systems and topography are unsuitable.

Wine type: This variety is suitable for a particular wine style: that of the Vinho Verde (light wine).

Potential alcohol content: Traditionally low (9% – 11.5% vol.). Modern training systems achieve an alcohol content of 12% - 13% vol. RNSV statistical value: 9.85% vol. (Average of at least 40 clones in Guimarães over 6 years).

Natural acidity of must: RNSV statistical value: 7.85 g/l (Average of at least 40 clones in Guimarães over 6 years).

Risk of oxidation of must: Medium.

Colour intensity of wine: Medium to intense.

Wine colour tonality: Straw to golden.

Risk of oxidation of wine: Low.

Aromatic profile: Intense. Ripe fruits.

Ageing Potential: Medium. Wine should be consumed young.

Blending recommendation: Loureiro, Arinto, Alvarinho.

Wine Descriptors: Wine with intense straw to golden colour with a powerful aroma of ripe orchard fruits (apple, pear, peach), well integrated into a warm, round, smooth taste, but from time to time slightly unbalanced due to insufficent acid (EVAG).

Wine quality: Very good quality, as long as yield is restricted.

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