Description
Plant | Tuber Characteristics | |||
Maturity | Very early (75 – 90 days) | Tuber size | Very large | |
Growth habit | Upright | Tuber shape | Round oval | |
Color of flower | Light red-violet | Flesh color | Pale-yellow | |
Foliage development | Medium | Eye depth | Shallow | |
Number of tubers | High | Skin color | Yellowish white | |
Dormancy | Low-medium | Skin characteristic | Smooth | |
Uniformity | High | |||
Resistances |
Yield and Quality | |||
Nematodes | Golden nematode resistant Ro1,4, Golden nematode: part.res. Pa2 | Market outlet | Ware, Early ware, Pre-packing | |
Leaf blight | Medium resistance | Yield | Very high | |
Tuber blight | High resistance | Texture | Firm | |
Common scab | Medium resistance | Share oversize | High | |
Internal rust spot | Medium-high resistance | Share undersize | Low | |
External damages | Medium resistance | After cooking discoloration | Low | |
Bruising | Very high resistance | Free from discoloration raw | High | |
Potato Virus Y (PVY) | Medium-high resistance | Dry matter content | Low* | |
Potato Leafroll Virus (PLRV) | High | Cooking type | Firm cooking | |
Wart | Immune | *avoid excessive Nitrogen applications | ||
Metribuzin | Susceptible | |||
Black Leg | Susceptible | |||
Powdery Scab | Medium resistance | |||
Silver scurf | High | |||
Agronomy | ||||
Suitable soils | Red -Yellow Podzolic, Mountain Regosols | Well drained, Red -Yellow Latosols and Regosola and Non Calcic Brown Soils | ||
Soil pH | 5.5 – 6.8 | 5.5 – 6.5 | ||
Unsuitable soils | Saline, Alkaline, Water logged soils and all the other soil types except mentioned under “Suitable Soils” | |||
Drought tolerance | Very high | – | ||
Area and Season | ||||
Suitable Area | Suitable Agroclimatic Zones | Season | Best Time to Grow | |
Badulla (Highlands) | IM1a, IU2, IU3a, IU3b, IU3c, IU3d, IU3e, WU3 | Maha | November – December | |
Jaffna and Puttlum | DL1b, DL1f, DL3, DL4 | Maha | Mid November – Mid December | |
Badulla | DL1a, IM1a, IM2a, IM2b, IU2, IU3a, IU3b, IU3c, IU3d, IU3e, WU3 | Yala | July – August |