Koopmans Blauwe

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Koopmans Blauwe
Breeder Agent
administration
Data sourceDEU416
FRA179
Plant material maintained asIn-vitro
In-vitro and cryopreservation
Plant health directive EC77/93, requirementsFully tested
Infected
Country of originNETHERLANDS
Sample statusAdvanced cultivar
plant characteristics
MaturityIntermediate
Foliage coverGood
Flower colourLight blue
Flower frequencyRare
BerriesVery rare
tuber characteristics
Tuber skin colourBlue
Primary tuber flesh colourLight yellow
Tuber shapeOval to round
Tuber eye depthMedium
tubering characteristics
Yield potentialMedium
Tuber sizeSmall
Tuber shape uniformityUniform
utilisation characteristics
TasteGood
Starch contentMedium
resistance to fungal diseases
Resistance to late blight on tubersHigh
Resistance to late blight on foliageVery low
Wart (Synchytrium endobioticum)Field immune
Field immunity to wart racesRace 1
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)High
resistance to virus diseases
Resistance to potato virus MLow
Resistance to potato virus XLow to medium
Resistance to potato virus Y (strain not specified)Low to medium
Resistance to potato leaf roll virusMedium
resistance to pests
Resistance to Globodera rostochiensis race 1Low
Variety information last modified on 24th of July, 2005