JAERLA

Yield : 98 % of Bintje.
Grading : Proportion of large tubers: high to very high.
Susceptibility to diseases :
Leaf blight : rather slightly susceptible.
Tuber blight : slightly susceptible.
Black wart : not attacked.
Common scab : rather slightly susceptible.
Virus X : NTR.
Virus A : resistant.
Virus Y : moderately susceptible.
Leaf roll : fairly susceptible.
Nematode RO 1-4 : NTR.
Internal tuber defects : Slightly susceptible to rust spots, moderately susceptible to hollow heart, black spots: NTR.
Susceptibility to desprouting : Susceptible.
Dormancy period : Short.
Culinary quality : Table-use group B, blackening after cooking: nil, fry colour: NTR.
Dry matter content : Very low.
Keeping quality : Poor.

Morphological characteristics

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