Tax included

The Roseval variety is the result of the cross between the Rosa and Vale varieties. This potato with red skin and yellow flesh it is considered semi-late. It produces regular tubers with firm flesh. The Roseval enjoys a good yield and an average conservation.

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Tuber: Claviform, very regular, very superficial eyes, red skin, yellow flesh
Flower: Purplish red, large white tips, partially pigmented flower bud
Germ: Purplish, conical red, strong hair
Plant: High waist, erect habit, rameux type.
Upper: Strong pigmentation, with developed, straight wings.
Leaf: Light green, little divided, half open; medium leaflet, ovate elongated (I = 1.88); blade semi-blister.
Flowering: Abundant.
Fruiting: Very rare.

Yield of roseval potato plant: 96% Bintje.
Calibration: Proportion of large tubers: medium.
Susceptibility to diseases: Foliage downy mildew: quite sensitive.
Downy mildew of the tuber: sensitive. Warty gall: not attacked.
Common scab: not very sensitive. Virus X: R.A.S.
Virus A: R.A.S. Virus Y: sensitive. Winding: sensitive.
Internal defects of the tuber : Not very sensitive to rust spots and hollow core, ashy stains: R.A.S.
Susceptibility to germing: Relatively insensitive.
Vegetative rest: Medium.
Culinary quality: Good cooking performance, culinary group A, very slight blackening after cooking, frying coloring: none.
Dry matter content: Fairly low.
Suitability for preservation of roseval potato plant: Quite good.

Vigorous variety giving numerous tubers, medium size, beautiful presentation by their regularity and color. The yellow flesh, however, is sometimes veined with rosé.

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