Jonas
Back to overview

Jonas

  • Starch
  • medium late starch variety
  • white flesh colour
  • resistance to Ro 1, and Pa 2(9), 3(8)
  • very high yield with slightly below average starch content
  • very good resistance to PVY
Further information

Plant

Maturity Medium late
Plant type Intermediate
Growth habit Semi-upright
Color of flower White
Foliage development Rapid
Number of tubers Medium, High
Dormancy High

Tuber characteristics

Tuber shape Round, Round oval
Flesh color White
Eye depth Medium, Deep
Skin color Yellow
Skin characteristic Rough

Resistances

Nematodes Ro 1, Pa 2 (9), Pa 3 (8)
Leaf blight High
Tuber blight High
Rhizoctonia High
Black leg Medium, High
Common scab Medium, High
Internal rust spot Medium
Second growth Medium, High
Damages Medium
Bruising Low, Medium
PVY Very high

Yield and Quality

Market outlet Starch
Yield Very high
Share oversize Medium
Share undersize Low
Dry matter content High
Dry matter yield Very high
* found to be resistant in a EU-country

More information

Agriculture

Learn more

Breeding

Learn more

Our Company

Learn more