Krostar

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Krostar
Breeder 33
Breeder Agent
administration
Data sourceDEU001
DEU416
FRA179
POL IPR BON
VRI RUSSIA
Plant material maintained asTuber
In-vitro
Plant health directive EC77/93, requirementsPart tested
Country of originNETHERLANDS
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityIntermediate
Early
Foliage coverModerate to good
Flower colourWhite
Flower frequencyOccasional to frequent
BerriesVery rare
Pollen fertilityModerate
Light sprout colourPink
tuber characteristics
Tuber skin colourWhite to yellow
Primary tuber flesh colourYellow
Tuber shapeRound
Tuber eye depthDeep
Medium to deep
tubering characteristics
Yield potentialMedium to high
High
Tubers per plantMany
Tuber sizeMedium
Tuber shape uniformityVariable to medium
Secondary growthLow to medium
Hollow heart tendencyLow
Internal rust spotInfrequent
Very infrequent to infrequent
Resistance to external damageModerate
Resistance to internal bruisingLow to medium
Dormancy periodMedium to long
Storage abilityPoor
utilisation characteristics
After cooking blackeningLittle
TasteModerate
Dry matter contentMedium
Starch contentHigh
Protein contentMedium to high
Tuber glycoalkaloidLow
resistance to fungal diseases
Resistance to late blight on tubersMedium
Medium to high
High
Resistance to late blight on foliageLow
Low to medium
High
Resistance to powdery scab (Spongospora subterranea)High
Wart (Synchytrium endobioticum)Susceptible
Field immune
Field immunity to wart racesRace 1
Susceptibility to wart racesRace 1
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Medium to high
resistance to virus diseases
Resistance to potato virus AMedium to high
High
Resistance to potato virus MMedium to high
Resistance to potato virus XHigh
High to very high
Resistance to potato virus Y (strain not specified)High to very high
Resistance to potato virus YNHigh
Resistance to potato leaf roll virusMedium to high
High
resistance to pests
Resistance to Globodera rostochiensis race 1High
environmental stress factors
Drought resistanceLow to medium
Variety information last modified on 24th of July, 2005