Alpha

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Alpha
Breeder Agent
administration
Data sourceCZEHBROD
DEPT
DEU001
DEU416
FRA179
GBR165
IRL001
NIVAA
POL IPR BON
VRI RUSSIA
Plant material maintained asTuber
In-vitro
Tuber and in-vitro
Plant health directive EC77/93, requirementsFully tested
Part tested
Infected
Untested
Country of originNETHERLANDS
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityLate
Intermediate to late
Growth habitSemi erect to erect
Foliage coverGood to dense
Flower colourRed violet
Flower frequencyOccasional to frequent
Frequent
BerriesRare
Rare to occasional
Pollen fertilityLow
Light sprout colourPink
tuber characteristics
Tuber skin colourWhite to yellow
Tuber eye colourYellow
Primary tuber flesh colourLight yellow
Yellow
Tuber shapeOval to round
Oval to long
Tuber eye depthMedium
Shallow to medium
Shallow
Tuber skin textureSmooth to intermediate
tubering characteristics
Yield potentialHigh
High to very high
Early harvest yield potentialHigh to very high
Tubers per plantMedium to many
Many
Tuber sizeLarge to very large
Very large
Tuber shape uniformityMedium to uniform
Uniform
Uniform to very uniform
Secondary growthLow to medium
Very low to low
Hollow heart tendencyMedium
Internal rust spotFrequent
Medium to frequent
Resistance to external damageResistant
Resistant to very resistant
Resistance to internal bruisingHigh
High to very high
Dormancy periodLong
Long to very long
Very long
Storage abilityVery poor
utilisation characteristics
Cooking type / 411 Cooked textureMealy (floury type)
Mealy (floury type) to fairly firm (multi-purpose type)
After cooking blackeningTrace to little
Trace
TasteModerate to good
Crisp suitabilityPoor
French fry suitabilityPoor
Dry matter contentHigh
Starch contentMedium to high
resistance to fungal diseases
Resistance to late blight on tubersMedium
Medium to high
High to very high
Resistance to late blight on foliageMedium
High
Resistance to late blight on tubers (Artificial inoculum in the field)Medium
Resistance to late blight on tubers (Laboratory test)High
Resistance to late blight on foliage (Artificial inoculum in the field)Medium
Resistance to late blight on foliage (Laboratory test)Medium to 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
High
Resistance to blackleg (Erwinia spp.)High
Resistance to bacterial soft rot (Erwinia spp.)High to very high
resistance to virus diseases
Resistance to potato virus AMedium
Medium to high
High
Resistance to potato virus MVery low to low
Resistance to potato virus XLow
Low to medium
Medium
Medium to high
Resistance to potato virus Y (strain not specified)Medium to high
Very high
Resistance to potato leaf roll virusLow to medium
Medium to high
High
Resistance to tobacco rattle virusLow to medium
resistance to pests
Resistance to Globodera rostochiensis race 1Low
environmental stress factors
Drought resistanceMedium to high
High
Variety information last modified on 6th of April, 2016