MONA LISA

Yield : 102 % of Bintje.
Grading : Proportion of large tubers: high.
Susceptibility to diseases :
Leaf blight : rather slightly susceptible.
Tuber blight : moderately susceptible.
Black wart : not attacked.
Common scab : fairly susceptible.
Virus X : NTR.
Virus A : resistant.
Virus Y : slightly susceptible.
Leaf roll : slightly susceptible.
Nematode RO 1-4 : NTR.
Internal tuber defects : Slightly susceptible to rust spots, very slightly susceptible to hollow heart and slightly susceptible to black spots.
Susceptibility to desprouting : Susceptible.
Dormancy period : Fairly long.
Culinary quality : Table-use group A-B, blackening after cooking: nil, fry colour: NTR.
Dry matter content : Low.
Keeping quality : Medium.

Morphological characteristics

Plant - tall and stem type foliage structure; stems semi-upright and weak to medium anthocyanin colouration; large, medium to dark green leaves and intermediate silhouette; medium to high frequency of flowers, none or very weak anthocyanin colouration inner side flower corolla.
Tubers - oval; yellow, very smooth skin; fairly yellow flesh; shallow eyes.
Sprouts - medium, ovoid, medium to strong intensity of anthocyanin colouration and weak to medium pubescence of base; small to medium terminal bud with weak anthocyanin colouration of tip; medium root tips.