The European Cultivated Potato Database

 
 

Ultimus

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Ultimus
Pedigree: Rode Star x Pepo (1919) [2,8,9,18,20]
Breeder: 62 [9]
Breeder's rights: No [13]
Synonyms:
National list: 1935 [1,8,9,20]
ADMINISTRATION
Country of originNETHERLANDS [1, 8, 9, 18, 20]
Data sourceAR [1] DEPT [7] DEU001 [8] DEU416 [9] FRA179 [11] GBR165 [13] IRL001 [16] NEIKER [18] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [1, 9, 16] Part tested [8, 11, 20] Infected [13] Untested [7]
Plant material maintained asTuber [1, 11, 13, 23, 35] In-vitro [9, 20] Cryopreservation [8] Tuber and in-vitro [18]
Sample statusAdvanced cultivar [1, 7, 8, 9, 11, 13, 16, 18, 20, 23]
Test conditionsNon organic [1, 8, 13]
PLANT CHARACTERISTICS
BerriesFrequent [9]
Flower colourRed violet [9]
Flower frequencyFrequent [1, 9]
Foliage coverDense [9]
Growth habitErect [9]
Light sprout colourPink [9]
MaturityIntermediate to late [9] Early to intermediate [1, 8] Early [13, 18]
Stolon lengthMedium to long [1]
TUBER CHARACTERISTICS
Primary tuber flesh colourCream [1] Light yellow [8, 9] Yellow [18]
Tuber eye colourRed [1]
Tuber eye depthMedium to deep [8] Medium [1] Shallow to medium [9]
Tuber shapeOval [8] Oval to long [9, 18] Long to oval [1]
Tuber skin colourRed [1, 8, 9, 18]
TUBERING CHARACTERISTICS
Dormancy periodMedium [13] Medium to long [1]
Hollow heart tendencyLow [9]
Internal rust spotVery frequent [9] Medium [8]
Resistance to external damageModerate [1] Moderate to resistant [9]
Resistance to internal bruisingMedium to high [9] High [1]
Tuber shape uniformityMedium [1, 9]
Tuber sizeMedium to large [1, 9]
Tubers per plantVery many [1]
Yield potentialHigh [1, 9] High to very high [18]
UTILISATION CHARACTERISTICS
After cooking blackeningSome [1]
Cooking type / 411 Cooked textureFirm (salad type) [1] Mealy (floury type) to fairly firm (multi-purpose type) [9]
Crisp suitabilityPoor [13] Moderate [1] Good [18]
Dry matter contentHigh to very high [1, 13, 18]
French fry suitabilityPoor [13] Poor to moderate [18]
Starch contentLow [18] Medium to high [8] High [9] Very high [1]
TasteModerate [9]
Tuber glycoalkaloidLow [1]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [1, 9] Race 2 [1] Race 6 [1]
Resistance to dry rot (Fusarium spp.)Low to medium [1]
Resistance to late blight on foliageLow [23] Low to medium [8] Medium [9, 18] Medium to high [1]
Resistance to late blight on foliage(Laboratory test)Medium [13]
Resistance to late blight on tubersMedium [23] Medium to high [8] High [1, 9, 18]
Resistance to late blight on tubers(Laboratory test)High [13]
Resistance to powdery scab (Spongospora subterranea)Medium [8]
Susceptibility to wart racesRace 1 [8] Race 2 [8] Race 6 [8] Race 7 [8]
Wart (Synchytrium endobioticum)Susceptible [8] Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to bacterial soft rot (Erwinia spp.)High [9]
Resistance to blackleg (Erwinia spp.)High [9]
Resistance to common scab (Streptomyces scabies)Medium to high [1, 9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow to medium [8] Medium to high [1, 9, 13]
Resistance to potato virus AHigh [1, 13]
Resistance to potato virus MHigh [9]
Resistance to potato virus XMedium to high [1, 13]
Resistance to potato virus Y (strain not specified)High [8, 9] High to very high [1, 13]
Resistance to potato virus YNHigh [18]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Very low to low [1] Low [8]
Resistance to Globodera rostochiensis race 5Very low to low [1]
ENVIRONMENTAL STRESS FACTORS
Drought resistanceHigh [9, 13]


Source:
[1] Agrico Research, NETHERLANDS 2005
[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
[18] NEIKER-Instituto Vasco de Investigación y Des, SPAIN 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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