The European Cultivated Potato Database

 
 

Extase

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Extase
Pedigree: (Black 885 x Alpha)=Ropta Y 226 x (Bintje x Record)=IVP 47 87 7 [9]
Ropta Y 226 x IVP 47 87 7 [8,20]
Breeder: Walter Wallmüller Saatzuchtwirtschaft [9]
Breeder's rights:
Synonyms:
National list: 1961 [8,20]
1962 [9]
ADMINISTRATION
Country of originNETHERLANDS [8, 9, 20]
Data sourceAR [1] DEPT [7] DEU001 [8] DEU416 [9] FRA179 [11] IRL001 [16] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [1, 9] Part tested [11, 20] Untested [7, 8, 16]
Plant material maintained asTuber [1, 23] In-vitro [8, 11] Tuber and in-vitro [20] In-vitro and cryopreservation [9]
Sample statusAdvanced cultivar [1, 7, 8, 9, 11, 16, 20, 23]
Test conditionsNon organic [1, 8]
PLANT CHARACTERISTICS
BerriesVery rare [9]
Flower colourRed violet [9]
Flower frequencyOccasional to frequent [9]
Foliage coverPoor [9]
MaturityIntermediate [8, 9]
Pollen fertilitySterile [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [8, 9]
Tuber eye depthShallow to medium [9] Shallow [8]
Tuber shapeOval [8, 9]
Tuber skin colourWhite to yellow [9]
TUBERING CHARACTERISTICS
Hollow heart tendencyLow [9]
Internal rust spotInfrequent [9]
Resistance to internal bruisingHigh [9]
Tuber shape uniformityMedium to uniform [9]
Tuber sizeMedium [9]
Yield potentialMedium [23] High [9]
UTILISATION CHARACTERISTICS
Cooking type / 411 Cooked textureMealy (floury type) to fairly firm (multi-purpose type) [9]
Dry matter contentMedium [23]
Starch contentMedium to high [8, 9]
TasteGood [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to dry rot (Fusarium spp.)Low to medium [9] Medium [1]
Resistance to late blight on foliageLow to medium [1] Medium [23] High [8, 9]
Resistance to late blight on tubersMedium [23] High [8, 9]
Wart (Synchytrium endobioticum)Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to common scab (Streptomyces scabies)Low [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusMedium [9]
Resistance to potato virus AVery high [8, 9]
Resistance to potato virus MMedium [9]
Resistance to potato virus XLow [9]
Resistance to potato virus Y (strain not specified)Medium [9] Medium to high [8]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]
Resistance to Globodera rostochiensis race 5High to very high [1]


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















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