JAERLA Seed potatoes Jaerla

Seed potatoes

Seed potatoes

Genetic origin: Sirtema X MPI 1 9268

Breeder (s): Friese Maatschappij van Landbouw – Netherlands

Catalogue registration: 1971

Category: Consumption

Maturity: Early

Descriptive characters

Tuber: Long Short oblong, fairly regular, quite eyes

superficial, yellow skin pale yellow flesh.

Sprout: Purplish red, slightly colouration, conical, slight hairiness.

Plant: Medium height, semi-spreading habit, leafy type.

Upper: internodes moderately pigmented, very nodes

slightly pigmented, with developed wings, straight.

Leaf: Dark green, little divided, closed; leaflet large, oval

curve (I = 1, 70); limbus plan.

Flowering: Moderately profuse.

Flower: White upper face, purplish red lower face,

partially pigmented flower bud.

Fruit: Rare.

cropping characters and use

Yield: 98% of Bintje.

Grading: Proportion of large tubers: high to very strong.

Susceptibility to diseases: Leaf blight: fairly

susceptible. Tuber blight: slightly susceptible.

Wart: not attacked. Common scab: fairly

susceptible. Virus X: NTR Virus A: resistant.

Virus Y: moderately susceptible. Leaf roll: fairly susceptible.

Nematode ROI -4: RAS

Internal tuber defects: Slightly susceptible to stains

rust, moderately susceptible to hollow heart,

black spots: NTR

Sensitivity to sprouting: susceptible.

Dormancy period: Short.

Culinary quality: on cooking, culinary group B,

blackening after cooking: nil, fry color: NTR

Dry matter content:. Very low

Keeping quality. Low

General characteristics

Early variety, productive, giving large tubers sometimes form very regular and very marked eyes.