Granola Seed Potato

Granola Seed Potato

Granola, a potato hybrid developed by Solana, Germany, is a very well-known variety in Asian countries. it produces high yields of quality tubers and a well-suited variety to cultivate in Welimada and Nuwaraeliya, Sri Lanka.


Plant Tuber Characteristics
Maturity Medium early Tuber size Medium-large
Plant type Intermediate Tuber shape Round oval
Growth habit Upright Flesh color Yellow
Color of flower Red-violet Eye depth Medium, Shallow
Foliage development Slow Skin color Yellow
Number of tubers High Skin characteristic Medium -rough
Dormancy High, Very high Uniformity Uniform





Yield and Quality

 Nematodes  Ro 1, Ro 4 Market outlet  Ware
 Leaf blight  Medium Yield  High
 Tuber blight  High Share oversize  Low, Medium
 Rhizoctonia  High Share undersize  Low, Medium
 Black leg  High Texture  Fairly firm
 Common scab  High Cooking type  Fairly firm cooking
 Internal rust spot  Medium    After cooking discoloration  Low
 External damages  High    Free from discoloration raw  Low, Medium
 Bruising  Medium Dry matter content  Low, Medium
 Potato Virus Y (PVY)  Medium, High
 Potato Virus Y (PVY) ntn  High
 Potato Leafroll Virus (PLRV)  Medium, High



 Suitable soils  Red -Yellow Podzolic, Mountain Regosols
 Soil pH  5.5 – 6.6
 Unsuitable soils

 Saline;Alkaline;Watter logged soils and all the other soil types except mentioned under

“Suitable Soils”

 Drought tolerance  Fairly good resistance


 Area and Season

 Suitable Area Suitable Agroclimatic Zones  Season  Best Time to Grow

IL2, IM1a, IM1c, IM3c, IU2,

IU3b, IU3d, IU3e, WL1a, WM1a,

WM2a, WU1, WU2a, WU2b,


 Maha  August – September
 Badulla (Highlands)

IM1a, IU2, IU3a, IU3b, IU3c,

IU3d, IU3e, WU3

 Maha  November – December

IL2, IM1a, IM1c, IM3c, IU2,

IU3b, IU3d, IU3e, WL1a, WM1a,

WM2a, WU1, WU2a, WU2b,


 Yala  January – March

DL1a, IM1a, IM2a, IM2b, IU2,

IU3a, IU3b, IU3c, IU3d, IU3e,


 Yala  July – August