FRANCELINE

Yield : 81 % of Bintje.
Grading : Proportion of large tubers: medium.
Susceptibility to diseases :
Leaf blight : moderately susceptible.
Tuber blight : NTR.
Black wart : not attacked.
Common scab : rather slightly susceptible.
Virus X : resistant.
Virus A : NTR.
Virus Y : fairly susceptible.
Leaf roll : moderately susceptible.
Nematode RO 1-4 : NTR.
Internal tuber defects : Rather slightly susceptible to rust spots, rather slightly susceptible to hollow heart and black spots.
Susceptibility to desprouting : Susceptible.
Dormancy period : Fairly short.
Culinary quality : Table-use group A, blackening after cooking:nil, fry colour: NTR.
Dry matter content : Fairly low to medium.
Keeping quality : Fairly good.

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.