The European Cultivated Potato Database

 
 

Optima

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Optima
Pedigree: Ey HB 2234 71 x H 99 73 [6,9,13,20]
Breeder: Kleinwanzlebener Saatzucht, Einbeck, DEU [13]
Ragis Kartoffelzucht- und Handelsgesellschaft mbH [9]
Breeder's rights: No [13]
Synonyms:
National list: 1987 [9,20]
ADMINISTRATION
Country of originGERMANY [6, 8, 9, 13, 20]
Data sourceCZEHBROD [6] DEU001 [8] DEU416 [9] GBR165 [13] IRL001 [16] POL IPR BON [20]
Plant health directive EC77/93, requirementsFully tested [13] Part tested [6, 9] Untested [8, 16, 20]
Plant material maintained asTuber [20, 35] In-vitro [6, 8] Tuber and in-vitro [9] No longer maintained [13]
Sample statusAdvanced cultivar [6, 8, 9, 13, 16, 20]
Test conditionsNon organic [6, 8, 13]
PLANT CHARACTERISTICS
BerriesNo berries [9]
Flower colourWhite [9]
Flower frequencyOccasional to frequent [9] Frequent [13]
Foliage coverModerate to good [9]
Light sprout colourPink [9]
MaturityIntermediate [9, 13]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [13] Yellow [9]
Tuber eye depthShallow to medium [9]
Tuber shapeOval [9, 13]
Tuber skin colourWhite to yellow [9]
Tuber skin textureSmooth to intermediate [9]
TUBERING CHARACTERISTICS
Dormancy periodLong to very long [9, 13]
Growth crackingLow to medium [9]
Hollow heart tendencyLow [9]
Internal rust spotInfrequent [9]
Resistance to external damageModerate [9] Resistant [13]
Resistance to internal bruisingHigh to very high [13]
Secondary growthLow to medium [9]
Tuber shape uniformityMedium [9]
Tuber sizeMedium [9]
Tubers per plantMedium [9] Many [13]
Yield potentialMedium to high [9]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace [9] None to trace [13]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) [9, 13]
Crisp suitabilityPoor [13]
Dry matter contentMedium to high [13]
Enzymic browningTrace [9]
French fry suitabilityPoor [13] Good [9]
Starch contentLow to medium [9]
TasteModerate to good [9] Good [13]
RESISTANCE TO FUNGAL DISEASES
Resistance to dry rot (Fusarium spp.)High [13]
Resistance to late blight on foliageMedium [9]
Resistance to late blight on foliage(Laboratory test)Medium [13]
Resistance to late blight on tubersMedium to high [9]
Resistance to late blight on tubers(Laboratory test)Medium to high [13]
Resistance to stem canker (Rhizoctonia solani)Medium [9]
Wart (Synchytrium endobioticum)Susceptible [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)High [9]
Resistance to common scab (Streptomyces scabies)High [9, 13]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow [9] Medium [13]
Resistance to potato virus AHigh to very high [9] Very 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 1High [9, 13]
Resistance to Globodera rostochiensis race 2High [9, 13]
Resistance to Globodera rostochiensis race 3High [9, 13]
Resistance to Globodera rostochiensis race 4High [9]
Resistance to Globodera rostochiensis race 5High [9, 13]
ENVIRONMENTAL STRESS FACTORS
Drought resistanceHigh [13]


Source:
[6] Potato Research Institute, CZECH REPUBLIC 2010
[8] Federal Research Centre of Agriculture, GERMANY 2005
[9] Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), GERMANY 2005
[20] Plant Breeding and Acclimatization Institute, POLAND 2005
[13] SASA, UNITED KINGDOM 2009
[35] Teagasc Crops Research Centre, IRELAND 2007















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