Pentland Squire is a versatile cultivar with good resistance to certain viruses (A and X), although it has some susceptibility to fungal and bacterial diseases. It has medium to high yield potential, with large tubers and a medium to long dormancy period, making it suitable for a variety of uses, though it’s not ideal for crisp or fry production.
Tuber Characteristics:
- Skin Colour: White to yellow
- Eye Colour: Yellow
- Flesh Colour: Cream
- Shape: Oval to round
- Eye Depth: Shallow
- Skin Texture: Very smooth
- Tuber Size: Very large
- Tuber Shape Uniformity: Variable to medium
- Yield Potential: Medium to high
- Tubers per Plant: Medium to many
- Dormancy Period: Medium to long
Utilisation Characteristics:
- Cooking Type: Mealy (floury type) to fairly firm (multi-purpose type)
- After Cooking Blackening: None to trace
- Crisp Suitability: Poor
- French Fry Suitability: Poor
- Dry Matter Content: Medium to high
Resistance to Fungal Diseases:
- Late Blight (Tubers): Medium
- Late Blight (Foliage): Medium
- Dry Rot (Fusarium coeruleum): Low
- Wart (Synchytrium endobioticum): Field immune
- Gangrene (Phoma foveata): Medium
- Dry Rot (Fusarium spp.): Low
- Potato Virus A: High
- Potato Virus B: Low
- Potato Virus C: Low
- Potato Virus X: High
- Potato Virus Y (strain not specified): Medium