Yield : 130 % of Kerpondy.
Grading : Proportion of large tubers: high to very high.
Susceptibility to diseases :
Leaf blight : fairly susceptible.
Tuber blight : susceptible.
Black wart : not attacked. moderately susceptible.
Common scab : moderately susceptible.
Virus X : NTR.
Virus A : NTR.
Virus Y : moderately susceptible.
Leaf roll : rather slightly susceptible.
Nematode RO 1-4 : NTR.
Internal tuber defects : Slightly susceptible to rust spots and hollow heart, moderately susceptible to black spots.
Susceptibility to desprouting : Moderately susceptible.
Dormancy period : Fairly long.
Culinary quality : Table-use group B, blackening after cooking: Medium, fry colour: NTR.
Dry matter content : Fairly low.
Keeping quality : Medium.

Morphological characteristics

Tuber : Cylindrical oval , half-sunken eyes, distributed over the whole surface of the tuber, violet skin, violet flesh.
Sprout : Purple, slight hairiness.
Plant : Tall, upright habit, entirely pigmented.
Stem : Thick, violet.
Leaf : Dark green, semi-glossy, little divided; purple petiole and veins.
Flowering : Moderately rare.
Flower : White, streaked with purple.