Stemster

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Stemster
Breeder J.Dunnett
Breeder Agent Caithness Potatoes Ltd

Images

administration
Data sourceFRA179
GBR165
HZPC
VRI RUSSIA
Plant material maintained asTuber
Tuber and in-vitro
Plant health directive EC77/93, requirementsFully tested
Part tested
Country of originNETHERLANDS
UNITED KINGDOM
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityIntermediate to late
Intermediate
Growth habitSemi erect
Foliage coverModerate
Good
Flower colourRed violet
Flower frequencyOccasional
BerriesRare to occasional
Pollen fertilityModerate
Light sprout colourPink
tuber characteristics
Tuber skin colourRed
Tuber eye colourRed
Primary tuber flesh colourLight yellow
Tuber shapeOval
Oval to long
Tuber eye depthShallow
tubering characteristics
Yield potentialHigh
Very high
Tuber sizeVery large
Tuber shape uniformityUniform
Resistance to external damageModerate
Resistance to internal bruisingHigh
Dormancy periodLong to very long
Storage abilityGood to very good
utilisation characteristics
Cooking type / 411 Cooked textureFairly firm (multi-purpose type)
Fairly firm (multi-purpose type) to firm (salad type)
After cooking blackeningNone to trace
Crisp suitabilityPoor
Moderate
French fry suitabilityPoor
Moderate
Frying colourMedium
Pale to medium
Dry matter contentLow to medium
Medium
High
Starch contentMedium
resistance to fungal diseases
Resistance to late blight on tubersHigh
Resistance to late blight on foliageMedium
Medium to high
Resistance to late blight on tubers (Laboratory test)Low
Resistance to late blight on foliage (Laboratory test)Low to medium
Resistance to dry rot (Fusarium coeruleum)Low
Wart (Synchytrium endobioticum)Susceptible
Field immune
Resistance to gangrene (Phoma foveata)Medium
Resistance to dry rot (Fusarium spp.)Low
High
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Low to medium
Medium
resistance to virus diseases
Resistance to potato virus ALow
Resistance to potato virus BLow
Resistance to potato virus CMedium to high
Resistance to potato virus XHigh
Resistance to potato virus Y (strain not specified)Medium to high
Resistance to potato leaf roll virusLow
Low to medium
resistance to pests
Resistance to Globodera rostochiensis race 1High
High to very high
Resistance to Globodera pallida race 1Low
Resistance to Globodera pallida race 2Low
Variety information last modified on 4th of November, 2014