The European Cultivated Potato Database

 
 

Koretta

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Koretta
Pedigree: I-67.254/13N x Adretta [20]
I-67.254/13N x Adretta (adg,dms) [6,9]
Breeder: 51 [9]
Breeder's rights:
Synonyms:
National list: 1983 [9,20]
ADMINISTRATION
Country of originGERMANY [6, 9, 20]
Data sourceCZEHBROD [6] DEU416 [9] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [9] Part tested [20] Infected [6]
Plant material maintained asTuber [23] In-vitro [6] Tuber and in-vitro [9, 20]
Sample statusAdvanced cultivar [6, 9, 20, 23]
Test conditionsNon organic [6]
PLANT CHARACTERISTICS
Flower colourWhite [9]
Flower frequencyOccasional to frequent [9]
Foliage coverGood [9]
Growth habitSemi erect to erect [9]
Light sprout colourGreen [9]
MaturityIntermediate [9]
Pollen fertilityModerate [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [9]
Tuber eye depthShallow [9]
Tuber shapeOval to round [9]
Tuber skin colourWhite to yellow [9]
Tuber skin textureIntermediate [9]
TUBERING CHARACTERISTICS
Dormancy periodMedium [9]
Growth crackingLow to medium [9]
Hollow heart tendencyLow [9]
Internal rust spotInfrequent [9]
Resistance to external damageModerate to resistant [9]
Resistance to internal bruisingHigh [9]
Secondary growthLow [9]
Tuber shape uniformityUniform [9]
Tuber sizeMedium [9]
Tubers per plantMedium [9]
Yield potentialHigh [9, 23]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace [9]
Cooking type / 411 Cooked textureMealy (floury type) to fairly firm (multi-purpose type) [9]
Dry matter contentMedium [23]
Enzymic browningLittle [9]
French fry suitabilityGood [9]
Starch contentLow to medium [9] Medium [23]
TasteModerate to good [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to dry rot (Fusarium spp.)Medium to high [9]
Resistance to late blight on foliageMedium [23] High [9]
Resistance to late blight on tubersHigh [9]
Resistance to stem canker (Rhizoctonia solani)High [9]
Wart (Synchytrium endobioticum)Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to bacterial soft rot (Erwinia spp.)High [9]
Resistance to blackleg (Erwinia spp.)High [9]
Resistance to common scab (Streptomyces scabies)Medium to high [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusHigh [9]
Resistance to potato virus AHigh [9]
Resistance to potato virus MHigh [9]
Resistance to potato virus XHigh [9]
Resistance to potato virus Y (strain not specified)High [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1High [9]
ENVIRONMENTAL STRESS FACTORS
Frost resistanceMedium [23]


Source:
[6] Potato Research Institute, CZECH REPUBLIC 2010
[9] Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), GERMANY 2005
[20] Plant Breeding and Acclimatization Institute, POLAND 2005
[23] N.I. Vavilov All-Russian Scientific Research, RUSSIAN FEDERATION 2005















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