The European Cultivated Potato Database

 
 

Ulla

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Ulla
Pedigree: Saskia x (Olympia x NOS Nova) [8,20]
Saskia x (Olympia x NOS Nova) (adg,dms) [9]
Breeder: Nordostbayerischer Saatbauverband [9]
Breeder's rights:
Synonyms:
National list: 1970 [8,9,20]
ADMINISTRATION
Country of originGERMANY [8, 9, 20]
Data sourceDEU001 [8] DEU416 [9] FRA179 [11] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsPart tested [9, 11, 20] Untested [8]
Plant material maintained asTuber [9, 11, 23] In-vitro [8, 20]
Sample statusAdvanced cultivar [8, 9, 11, 20, 23]
Test conditionsNon organic [8]
PLANT CHARACTERISTICS
BerriesNo berries [9]
Flower colourWhite [9]
Flower frequencyVery rare [9]
Foliage coverGood [9]
MaturityIntermediate [9]
Pollen fertilityHigh [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourYellow [9]
Tuber eye depthShallow [9]
Tuber shapeLong to oval [9]
Tuber skin colourWhite to yellow [9]
Tuber skin textureSmooth to intermediate [9]
TUBERING CHARACTERISTICS
Dormancy periodMedium to long [9]
Growth crackingLow [9]
Hollow heart tendencyLow [9]
Internal rust spotInfrequent [9]
Resistance to external damageModerate to resistant [9]
Secondary growthLow [9]
Tuber shape uniformityUniform [9]
Tuber sizeLarge [9]
Tubers per plantMedium [9]
Yield potentialMedium to high [9]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace [9]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) [9]
Enzymic browningLittle [9]
Starch contentMedium [9]
TasteGood [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to late blight on foliageMedium [9]
Resistance to late blight on tubersMedium [9]
Resistance to stem canker (Rhizoctonia solani)Medium [9]
Wart (Synchytrium endobioticum)Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)Medium to high [9]
Resistance to common scab (Streptomyces scabies)Low to medium [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusHigh [9]
Resistance to potato virus AHigh to very high [9]
Resistance to potato virus Y (strain not specified)Very low to low [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]


Source:
[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
[20] Plant Breeding and Acclimatization Institute, POLAND 2005
[23] N.I. Vavilov All-Russian Scientific Research, RUSSIAN FEDERATION 2005















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