The European Cultivated Potato Database

 
 

Thyra

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Thyra
Pedigree: Saskia x 769/40 [6,8,9]
Breeder: Ragis Kartoffelzucht- und Handelsgesellschaft mbH [9]
Breeder's rights:
Synonyms:
National list: 1965 [8,9]
ADMINISTRATION
Country of originGERMANY [6, 8, 9]
Data sourceCZEHBROD [6] DEU001 [8] DEU416 [9] FRA179 [11] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [9] Part tested [8, 11] Infected [6]
Plant material maintained asTuber [23] In-vitro [6, 8, 9, 11]
Sample statusAdvanced cultivar [6, 8, 9, 11, 23]
Test conditionsNon organic [6, 8]
PLANT CHARACTERISTICS
BerriesVery rare [9]
Flower colourWhite [9]
Flower frequencyOccasional [9]
Foliage coverModerate to good [9]
Light sprout colourPink [9]
MaturityVery early [9]
Pollen fertilityModerate [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [9]
Tuber eye depthShallow to medium [9]
Tuber shapeOval to long [9]
Tuber skin colourWhite to yellow [9]
TUBERING CHARACTERISTICS
Dormancy periodShort [9]
Hollow heart tendencyLow [9]
Internal rust spotFrequent [9]
Resistance to internal bruisingHigh [9]
Tuber shape uniformityMedium to uniform [9]
Tuber sizeMedium [9]
Yield potentialLow [23] Medium [9]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace to little [9]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) [9]
Starch contentLow [9]
TasteGood [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to late blight on foliageLow [9] Medium [23]
Resistance to late blight on tubersMedium to high [9] High [23]
Resistance to stem canker (Rhizoctonia solani)Low [9]
Wart (Synchytrium endobioticum)Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)Low [9]
Resistance to common scab (Streptomyces scabies)Medium [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusMedium [9]
Resistance to potato virus AMedium to high [9]
Resistance to potato virus MMedium [9]
Resistance to potato virus XMedium [9]
Resistance to potato virus Y (strain not specified)Medium to high [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]


The following sources maintain more than one accession of the variety Thyra:
Source Accession no. Recorded variations
239218none
2319635none

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
[11] INRA, FRANCE 2005
[23] N.I. Vavilov All-Russian Scientific Research, RUSSIAN FEDERATION 2005















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