### **Portugieser Blau Grape Variety: Technical Profile**

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#### **General Overview**

- **Category**: Vitis vinifera

- **Primary Usage**: Light red and rosé wines

- **Color**: Pale to medium ruby for red wines; delicate pink for rosés

- **Origin**: Central Europe, with strong ties to Austria and Hungary

- **Synonyms**: Kékoportó (Hungary), Blaue Portugieser (Germany), Modra Portugalka (Slovenia)

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#### **Viticultural Characteristics**

- **Climate Suitability**:

- Thrives in temperate to cool climates with moderate rainfall.

- Sensitive to frost and extreme heat.

- **Growing Season**:

- Bud Break: Mid-April

- Harvest: Late September to early October

- **Yield**:

- High-yielding variety, often producing 8–12 tons/acre.

- **Soil Preferences**:

- Adapts well to loamy and calcareous soils.

- Prefers well-drained, nutrient-rich soils with neutral to slightly alkaline pH.

- **Disease Resistance**:

- Moderate susceptibility to mildew and botrytis.

- Requires attentive canopy management to prevent rot in humid conditions.

- **Vigor**:

- Moderate vigor, benefiting from precise pruning to avoid overcropping.

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#### **Enological Characteristics**

- **Sugar Content**: 18-22° Brix at harvest

- **Acidity**: 5.5–7.0 g/L (tartaric acid)

- **pH**: 3.3–3.6

- **Aroma Profile**:

- Reds: Subtle aromas of red currants, cherries, and violets.

- Rosés: Notes of strawberries, raspberries, and floral hints.

- **Tannin Profile**:

- Low to medium tannins, contributing to a soft, approachable mouthfeel.

- **Alcohol Potential**: 10.5–12.5% ABV

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#### **Winemaking Notes**

- **Fermentation**:

- Reds: Typically fermented at 22–26°C for 5–7 days to retain freshness.

- Rosés: Cool fermentation at 14–16°C to preserve fruitiness.

- **Aging**:

- Reds: Best consumed young; short-term aging in stainless steel or neutral oak.

- Rosés: Often bottled quickly to emphasize freshness and bright aromatics.

- **Blending Potential**:

- Often blended to add lightness and softness to heavier varieties.

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#### **Market Position**

- **Unique Selling Point**:

- Known for its light, easy-drinking style and suitability for youthful consumption.

- **Consumer Appeal**:

- Popular for its fruity, soft profile and versatility in both red and rosé wines.

- **Target Audience**:

- Ideal for casual wine drinkers seeking approachable, low-tannin wines.

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#### **Notable Growing Regions**

- Germany (Rheinhessen, Pfalz, Württemberg)

- Austria (Burgenland, Lower Austria)

- Hungary (Villány, Szekszárd)

- Slovenia and Croatia

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