Yusikaap (CIP-392797.22) is a medium-maturing, red-skinned potato variety released in Bhutan in 2017, known for its oval to oblong tubers with white to cream flesh, high yields of 21.8–37.1 tons/ha, moderate resistance to late blight and common scab, and biofortification with higher levels of iron, zinc, and vitamin C, making it ideal for table use, good storage, and cultivation in mid- to high-altitude regions.
Tuber Characteristics
- Skin Color: Bright red
- Flesh Color: White to cream
- Tuber Shape: Oval to oblong
- Eye Depth: Shallow
- Tuber Size: Medium to large
- Texture: Smooth skin
- Dry Matter Content: Medium
- Taste: Mild, slightly sweet
- Storability: Good under ambient conditions
Disease and Pest Resistance
- Late Blight (Phytophthora infestans): Moderately resistant
- Early Blight (Alternaria solani): Moderately tolerant
- Bacterial Wilt (Ralstonia solanacearum): Susceptible
- Common Scab: Moderately tolerant
- Virus Resistance: Moderate under low pressure
Nutritional Profile
- Iron Content: Higher than standard varieties
- Zinc Content: Enhanced
- Vitamin C: Higher than average
- Biofortification Status: Yes (selected for enhanced micronutrients)