FELSINA

Yield : 104 % of Bintje.
Grading : Proportion of large tubers: high to very high.
Susceptibility to diseases :
Leaf blight : moderately susceptible.
Tuber blight : NTR.
Black wart : not attacked.
Common scab : fairly susceptible.
Virus X : NTR.
Virus A : resistant.
Virus Y : moderately susceptible.
Leaf roll : susceptible.
Nematode RO 1-4 : resistant.
Internal tuber defects : Slightly susceptible to rust spots and hollow heart, susceptible to black spots.
Susceptibility to desprouting : Moderately susceptible.
Dormancy period : Fairly short.
Culinary quality : Table-use group B-C, slight blackening after cooking, fairly good fry colour.
Dry matter content : High.
Keeping quality : Good.

Morphological characteristics

Plant - short to medium and leaf type foliage structure; stems semi-upright to spreading and weak to medium anthocyanin colouration; large, light to medium green leaves and closed to intermediate silhouette; low frequency of flowers, absent or very weak anthocyanin colouration inner side flower corolla.
Tubers - oval to long-oval; yellow, smooth to medium smooth skin; pale yellow flesh; rather shallow eyes.
Sprouts - medium, conical, medium intensity of anthocyanin colouration and medium to weak pubescence of base; medium terminal bud with weak to medium anthocyanin colouration of tip; medium root tips.