Illustrated variety description
Photos © Studio 29, Reproduction interdite
Genetic origin : Béa X U.S.D.A. 96-56
Breeder(s) : J. OLDENBURGER - (PAYS BAS)
Registered in the : Catalogue français (1967)
Type : Liste A
Category : Consommation
Maturity : Medium-early
Tuber : Long oval, regular, very shallow eyes, yellow skin, yellow flesh.
Sprout : Purple, conical, medium hairiness.
Plant : Tall, upright habit, branching type.
Stem : Internodes slightly pigmented, nodes not pigmented, with developed wings, straight and wavy.
Leaf : Clear green, little divided, half-opened; medium-sized leaflet, round oval (I = 1.61); blistered lamina.
Flowering : Fairly abundant.
Flower : White, partially pigmented flower bud.
Fruit : Very rare.
Growing and use-related characters
Yield : 111 % of Bintje.
Grading : Proportion of large tubers: very high.
Susceptibility to diseases :
Leaf blight : moderately susceptible.
Tuber blight : moderately susceptible.
Black wart : not attacked.
Common scab : fairly susceptible.
Virus X : NTR.
Virus A : resistant.
Virus Y : rather slightly susceptible.
Leaf roll : susceptible.
Nematode RO 1-4 : NTR.
Internal tuber defect : Rather slightly susceptible to rust spots, moderately susceptible to hollow heart, black spots: NTR.
Susceptibility to desprouting : Fairly susceptible.
Dormancy period : Medium.
Culinary quality : Table-use group B, very slight blackening after cooking, fry colour: NTR.
Dry matter content : Very low.
Keeping quality : Fairly poor.
Vigorous and very productive variety, with relatively early tuber development,
giving large regular tubers, of long shape, but with low dry matter content.