Ajax

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Ajax
Breeder Wolf Lange
Breeder Agent
administration
Data sourceDEU416
FRA179
IRL001
POL IPR BON
VRI RUSSIA
Plant material maintained asTuber
In-vitro
Tuber and in-vitro
Plant health directive EC77/93, requirementsPart tested
Untested
Country of originNETHERLANDS
Sample statusAdvanced cultivar
plant characteristics
MaturityIntermediate
Growth habitSemi erect
Foliage coverGood
Flower colourWhite
Flower frequencyOccasional to frequent
BerriesNo berries
Pollen fertilityModerate
Light sprout colourPink
tuber characteristics
Tuber skin colourWhite to yellow
Primary tuber flesh colourYellow
Tuber shapeOval
Tuber eye depthShallow to medium
tubering characteristics
Yield potentialMedium
Very high
Tubers per plantMedium to many
Tuber sizeLarge
Tuber shape uniformityMedium to uniform
Secondary growthLow to medium
Hollow heart tendencyVery low
Internal rust spotInfrequent
Resistance to external damageResistant
Resistance to internal bruisingHigh to very high
Dormancy periodMedium to long
utilisation characteristics
Cooking type / 411 Cooked textureMealy (floury type) to fairly firm (multi-purpose type)
After cooking blackeningTrace
TasteModerate to good
Starch contentMedium
resistance to fungal diseases
Resistance to late blight on tubersMedium to high
Resistance to late blight on foliageMedium
Wart (Synchytrium endobioticum)Field immune
Field immunity to wart racesRace 1
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Medium
resistance to virus diseases
Resistance to potato virus ALow
Resistance to potato virus XLow to medium
Resistance to potato virus Y (strain not specified)High
Resistance to potato leaf roll virusHigh
resistance to pests
Resistance to Globodera rostochiensis race 1Low
environmental stress factors
Drought resistanceHigh
Variety information last modified on 3rd of March, 2016