The European Cultivated Potato Database

 
 

Libertas

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Libertas
Pedigree: Record x (Souvenir x Bato) [9,18,20]
Breeder: 62 [9]
Breeder's rights: No [13]
Synonyms:
National list: 1946 [9,20]
ADMINISTRATION
Country of originNETHERLANDS [9, 13, 18, 20]
Data sourceAR [1] DEPT [7] DEU416 [9] FRA179 [11] GBR165 [13] IRL001 [16] NEIKER [18] POL IPR BON [20]
Plant health directive EC77/93, requirementsFully tested [1, 9] Part tested [11, 20] Infected [13] Untested [7, 16]
Plant material maintained asTuber [1, 13, 18, 35] In-vitro [9, 20] Tuber and in-vitro [11]
Sample statusAdvanced cultivar [1, 7, 9, 11, 13, 16, 18, 20]
Test conditionsNon organic [1, 13]
PLANT CHARACTERISTICS
BerriesRare to occasional [9, 13]
Flower colourRed violet [9, 13]
Flower frequencyOccasional to frequent [9, 13]
Foliage coverGood [9]
Light sprout colourPink [9, 13]
MaturityLate [9, 18] Intermediate [13]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [9] Yellow [13, 18]
Tuber eye depthMedium [9]
Tuber shapeRound [13] Oval to round [9] Oval to long [18]
Tuber skin colourWhite to yellow [9, 13, 18]
TUBERING CHARACTERISTICS
Dormancy periodLong [9] Long to very long [13]
Growth crackingHigh [18]
Internal rust spotInfrequent [9]
Resistance to external damageModerate to resistant [9] Resistant [13]
Resistance to internal bruisingMedium [9] Medium to high [13]
Secondary growthLow to medium [9]
Tuber shape uniformityMedium [9] Uniform [13]
Tuber sizeMedium to large [9] Large to very large [13]
Tubers per plantMany [9, 13]
Yield potentialMedium to high [9] Very high [18]
UTILISATION CHARACTERISTICS
After cooking blackeningSome to severe [18] Trace [13]
Cooking type / 411 Cooked textureVery mealy (floury type) to mealy (floury type) [9, 13]
Crisp suitabilityPoor [13] Poor to moderate [18]
Dry matter contentVery high [13, 18]
French fry suitabilityPoor [13] Very good [18]
Starch contentVery low to low [18] High to very high [9]
TasteGood [9] Good to excellent [13]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to dry rot (Fusarium spp.)Medium [18]
Resistance to late blight on foliageMedium [18] Medium to high [9] High [1]
Resistance to late blight on foliage(Laboratory test)High [13]
Resistance to late blight on tubersMedium [18] High [9]
Resistance to late blight on tubers(Laboratory test)High to very high [13]
Resistance to stem canker (Rhizoctonia solani)High [9]
Wart (Synchytrium endobioticum)Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)High [9]
Resistance to common scab (Streptomyces scabies)Low to medium [9] Medium [1, 13]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow [18] Low to medium [9] Medium [13]
Resistance to potato virus ALow [18] Medium to high [9] High [13]
Resistance to potato virus MHigh [9]
Resistance to potato virus XMedium to high [9] High [13]
Resistance to potato virus Y (strain not specified)Medium to high [9] High to very high [13]
Resistance to tobacco rattle virusHigh to very high [13]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]
Resistance to Globodera rostochiensis race 5Very low to low [1]
ENVIRONMENTAL STRESS FACTORS
Drought resistanceHigh [9] High to very high [13]


Source:
[1] Agrico Research, NETHERLANDS 2005
[7] Department of Agriculture Food and Forestry, IRELAND 2005
[9] Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), GERMANY 2005
[11] INRA, FRANCE 2005
[18] NEIKER-Instituto Vasco de Investigación y Des, SPAIN 2005
[20] Plant Breeding and Acclimatization Institute, POLAND 2005
[13] SASA, UNITED KINGDOM 2005
[35] Teagasc Crops Research Centre, IRELAND 2007















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