BELLE DE FONTENAY Seed potatoes Belle de Fontenay

Seed potatoes

Seed potatoes

Genetic origin: Unknown, an old French variety

Breeder (s): Unknown

Catalogue registration: 1935

Category: flesh consumption farm

Maturity: Very early

descriptive characters

Tuber: claviforme very regular, very shallow eyes,

yellow skin, dark yellow flesh.

Germ : Purple, conical, medium hairiness.

Plant: Medium height, semi-upright habit, branching type.

Upper: Entrenceuds nodes moderately pigmented, nodes slightly

pigmented, with wings slightly pronounced, straight and wavy.

Leaf: Dark green, glossy, moderately divided, half-opened;

small leaflet, rounded oval (I = 1.61); Semi-Knocked limb.

Flowering: Quite rare.

Flower: Blue white tip, bud partially


Fruit: Very rare.

cropping characters and use

Yield: 70% of Bintje.

Grading: Proportion of large tubers: fairly low.

Susceptibility to diseases: Leaf blight: susceptible.

Tuber blight: very susceptible. Wart: not

attacked. Common scab: slightly susceptible.

Virus X: NTR Virus A: resistant. Virus Y: susceptible.

Leaf roll: susceptible. Nematode ROI -4: RAS

Internal tuber defects: Slightly susceptible to

stains. Rust, hollow heart and black spots

sensitivity to sprouting: susceptible.

Dormancy period: Average.

Culinary quality: good for cooking,

group Culinary A, blackening after cooking: nil; colouration

fry: none.

Dry matter content: Fairly low

Keeping quality: very low.

General characteristics

Variety whose low productivity and susceptibility to certain diseases are largely offset by precocity and very good culinary quality.