The European Cultivated Potato Database

 
 

Roxy

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Roxy
Pedigree: Hydra x Rubin [8,19]
Hydra x Rubin (1972) [20]
Hydra x Rubin (adg,dms,vrn) [6,9]
Breeder: Saatzucht Rudolf Pohl KG [9,19]
Breeder's rights:
Synonyms:
National list: 1981 [8,9,20]
ADMINISTRATION
Country of originGERMANY [6, 8, 9, 20]
Data sourceCZEHBROD [6] DEU001 [8] DEU416 [9] NIVAA [19] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [24] Part tested [8, 9, 20] Infected [6]
Plant material maintained asTuber [9, 23, 24] In-vitro [6, 20] Cryopreservation [8]
Sample statusAdvanced cultivar [6, 8, 9, 19, 20, 23, 24]
Test conditionsNon organic [6, 8, 24]
PLANT CHARACTERISTICS
Flower colourWhite [9]
Flower frequencyOccasional [9, 19]
MaturityIntermediate [9] Early to intermediate [8, 19]
TUBER CHARACTERISTICS
Primary tuber flesh colourYellow [8, 9] Deep yellow [19]
Tuber eye depthShallow [8, 9]
Tuber shapeOval [8, 9, 19]
Tuber skin colourWhite to yellow [8, 9, 19]
Tuber skin textureSmooth to intermediate [9]
TUBERING CHARACTERISTICS
Dormancy periodVery long [9, 19]
Early harvest yield potentialHigh to very high [19]
Growth crackingMedium [9]
Hollow heart tendencyLow [9]
Internal rust spotInfrequent [8, 9]
Resistance to external damageModerate to resistant [9, 19]
Resistance to internal bruisingMedium to high [9, 19]
Secondary growthLow to medium [9, 19]
Tuber shape uniformityUniform [19] Uniform to very uniform [9]
Tuber sizeMedium to large [9] Large [19]
Tubers per plantMany [9, 19]
Yield potentialMedium [23] High [9]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace [9, 19]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) [9, 19]
Crisp suitabilityPoor [19]
Enzymic browningLittle [9]
French fry suitabilityPoor [19]
Starch contentLow to medium [8, 9]
TasteModerate to good [9, 19]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9, 19]
Resistance to early blight (Alternaria solani)Very low [9]
Resistance to late blight on foliageMedium [23] High [8, 9]
Resistance to late blight on foliage(Artificial inoculum in the field)Medium [19]
Resistance to late blight on tubersLow [23] High [8, 9]
Resistance to late blight on tubers(Artificial inoculum in the field)Medium to high [19]
Resistance to powdery scab (Spongospora subterranea)Medium to high [24] High to very high [8]
Resistance to stem canker (Rhizoctonia solani)High [9]
Susceptibility to wart racesRace 1 [8]
Wart (Synchytrium endobioticum)Susceptible [8] Field immune [9, 19]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)High [8, 9]
Resistance to common scab (Streptomyces scabies)High [19] High to very high [9, 24]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusMedium to high [19] High [8] High to very high [9]
Resistance to potato virus AHigh [19] Very high [8, 9]
Resistance to potato virus XVery high [19]
Resistance to potato virus Y (strain not specified)High [8, 9] Very high [19]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1High [8, 9]
Resistance to Globodera rostochiensis race 5High to very high [24]
ENVIRONMENTAL STRESS FACTORS
Drought resistanceHigh to very high [19]


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
[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
[24] Den Hartigh B.V., NETHERLANDS 2005















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