The European Cultivated Potato Database

 
 

Alpha

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Alpha
Pedigree: Paul Kruger x Preferent [8,19,20]
Paul Kruger x Preferent (tbr) [6,9,13]
Breeder: 75 [9]
Friese Maatschappij, Kweekbedrifj Ropta [13,19]
Breeder's rights: No [13]
Synonyms:
National list: 1925 [8,20]
1935 [9]
1966 [13]
ADMINISTRATION
Country of originNETHERLANDS [6, 8, 9, 13, 20]
Data sourceCZEHBROD [6] DEPT [7] DEU001 [8] DEU416 [9] FRA179 [11] GBR165 [13] IRL001 [16] NIVAA [19] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [9, 13, 16] Part tested [8, 11, 20] Infected [6] Untested [7]
Plant material maintained asTuber [11, 23, 35] In-vitro [6, 8, 20] Tuber and in-vitro [9, 13]
Sample statusAdvanced cultivar [6, 7, 8, 9, 11, 13, 16, 19, 20, 23]
Test conditionsNon organic [6, 8, 13]
PLANT CHARACTERISTICS
BerriesRare [9, 19] Rare to occasional [13]
Flower colourRed violet [9, 13, 19]
Flower frequencyOccasional to frequent [9, 19] Frequent [13]
Foliage coverGood to dense [9, 19]
Growth habitSemi erect to erect [19]
Light sprout colourPink [9, 13, 19]
MaturityLate [9] Intermediate to late [8, 13, 19]
Pollen fertilityLow [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [9, 19] Yellow [8, 13]
Tuber eye colourYellow [19]
Tuber eye depthMedium [13] Shallow to medium [9, 19] Shallow [8]
Tuber shapeOval to round [8, 9, 19] Oval to long [13]
Tuber skin colourWhite to yellow [8, 9, 13, 19]
Tuber skin textureSmooth to intermediate [19]
TUBERING CHARACTERISTICS
Dormancy periodLong [9] Long to very long [19] Very long [13]
Early harvest yield potentialHigh to very high [19]
Hollow heart tendencyMedium [9]
Internal rust spotFrequent [9] Medium to frequent [8]
Resistance to external damageResistant [9, 19] Resistant to very resistant [13]
Resistance to internal bruisingHigh [9] High to very high [13, 19]
Secondary growthLow to medium [9] Very low to low [19]
Storage abilityVery poor [8]
Tuber shape uniformityMedium to uniform [9] Uniform [19] Uniform to very uniform [13]
Tuber sizeLarge to very large [9, 19] Very large [13]
Tubers per plantMedium to many [9, 19] Many [13]
Yield potentialHigh [9] High to very high [19]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace to little [9] Trace [13, 19]
Cooking type / 411 Cooked textureMealy (floury type) [9, 13] Mealy (floury type) to fairly firm (multi-purpose type) [19]
Crisp suitabilityPoor [13, 19]
Dry matter contentHigh [13, 19]
French fry suitabilityPoor [13, 19]
Starch contentMedium to high [8, 9]
TasteModerate to good [9, 13, 19]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9, 19]
Resistance to late blight on foliageMedium [9, 23] High [8]
Resistance to late blight on foliage(Artificial inoculum in the field)Medium [19]
Resistance to late blight on foliage(Laboratory test)Medium to high [13]
Resistance to late blight on tubersMedium [23] Medium to high [9] High to very high [8]
Resistance to late blight on tubers(Artificial inoculum in the field)Medium [19]
Resistance to late blight on tubers(Laboratory test)High [13]
Resistance to powdery scab (Spongospora subterranea)High [8]
Susceptibility to wart racesRace 1 [8]
Wart (Synchytrium endobioticum)Susceptible [8] Field immune [9, 19]
RESISTANCE TO BACTERIAL DISEASES
Resistance to bacterial soft rot (Erwinia spp.)High to very high [9]
Resistance to blackleg (Erwinia spp.)High [9]
Resistance to common scab (Streptomyces scabies)Medium to high [9] High [13, 19]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow to medium [8, 9] Medium to high [19] High [13]
Resistance to potato virus AMedium [9] Medium to high [8] High [13, 19]
Resistance to potato virus MVery low to low [8, 9]
Resistance to potato virus XLow [9] Low to medium [8] Medium [13] Medium to high [19]
Resistance to potato virus Y (strain not specified)Medium to high [8, 13, 19] Very high [9]
Resistance to tobacco rattle virusLow to medium [13]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [8, 9, 19]
ENVIRONMENTAL STRESS FACTORS
Drought resistanceMedium to high [9] High [13, 19]


Source:
[6] Potato Research Institute, CZECH REPUBLIC 2010
[7] Department of Agriculture Food and Forestry, IRELAND 2005
[8] Federal Research Centre of Agriculture, GERMANY 2005
[9] Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), GERMANY 2005
[11] INRA, FRANCE 2005
[19] Nederlands Potato Consultative Foundation (NIVAP), NETHERLANDS 2005
[20] Plant Breeding and Acclimatization Institute, POLAND 2005
[23] N.I. Vavilov All-Russian Scientific Research, RUSSIAN FEDERATION 2005
[13] SASA, UNITED KINGDOM 2005
[35] Teagasc Crops Research Centre, IRELAND 2007















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