Cosima is a high-yielding Indonesian potato variety, developed for commercial farming with good adaptability to tropical highland climates. It’s valued for its early maturity, attractive tubers, and versatile culinary uses, especially in fried products.
Morphological Characteristics:
- Tuber Shape: Oval to long oval
- Skin Color: Smooth, yellow to light brown
- Flesh Color: Light yellow
- Eye Depth: Shallow
- Tuber Size: Medium to large, uniform
Agronomic Traits:
- Maturity: Early to medium (90–100 days after planting)
- Yield Potential: High; 25–35 tons per hectare under proper management
- Climate Suitability: Best grown in cool, high-altitude tropical climates (1,000–2,000 meters above sea level)
- Soil Preference: Well-drained volcanic loam, high organic matter
Resistance & Tolerance:
- Disease Resistance: Moderately resistant to late blight, early blight, and common scab
- Stress Tolerance: Performs well under limited input; stable under tropical highland stress conditions
Culinary & Market Use:
- Texture (Cooked): Medium dry, slightly floury
- Flavor: Mild, slightly sweet
- Best Uses: French fries, chips, mashed potatoes, boiling
- Storage: Good shelf life under cool, dry storage; skin holds up well during transport