Market Outlets Pre-Pack,Fresh Market
Maturity Mid to late
Average Yield Very Good
Crossing Alwara x MA81-0536

The Roko is a mid to late maturing fresh market variety with good yields. Roko tubers are uniform, oval round shaped and have shallow eyes. The skin is smooth, deep red in oolour and the flesh colour is white. Cooking type is rather floury and the dry matter content is moderate. Roko has excellent virus resistance.


Tuber Shape Oval Round
Uniform of Shape Uniform
Eye Depth Shallow
Skin Color Red
Flesh Color White
Dry matter (%) Moderate


Dormancy Long
Tuber Number Average
Resistance to Damage Good Resistance
Resistance to Bruising Good Resistance
Secondary Growth Not Susceptible
Flower Colour Purple

Disease Resistance

Late Blight (Foliage blight) Somewhat Resistant Common Scab Somewhat Susceptible
Virus PVY Excellent Resistance Tuber Blight Moderate Resistance
PCN - Ro1 & Ro4 Resistant Blackleg Moderate Resistance
PCN - Pallida Susceptible Virus Yntn Good Resistance


Excellent resistance to some viruses.