The European Cultivated Potato Database

 
 

Johanna

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Johanna
Pedigree: Ackersegen x Bodenkraft [6,8,9]
Breeder: Kartoffelzucht Böhm [9]
Breeder's rights:
Synonyms:
National list: 1941 [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] Infected [6, 11]
Plant material maintained asTuber [23] In-vitro [6, 11] Cryopreservation [8] In-vitro and cryopreservation [9]
Sample statusAdvanced cultivar [6, 8, 9, 11, 23]
Test conditionsNon organic [6, 8]
PLANT CHARACTERISTICS
BerriesOccasional [9]
Flower colourRed violet [9]
Flower frequencyFrequent [9]
Foliage coverGood [9]
Growth habitSemi erect [9]
Light sprout colourPink [9]
MaturityLate [9] Intermediate to late [8]
Pollen fertilityVery high [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [9] Yellow [8]
Tuber eye depthMedium [9] Shallow to medium [8]
Tuber shapeOval to round [8, 9]
Tuber skin colourWhite to yellow [8, 9]
TUBERING CHARACTERISTICS
Internal rust spotInfrequent [9]
Storage abilityModerate [8]
Tuber shape uniformityMedium [9]
Tuber sizeSmall to medium [9]
Tubers per plantMedium to many [9]
Yield potentialMedium to high [9]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace [9]
Cooking type / 411 Cooked textureMealy (floury type) to fairly firm (multi-purpose type) [9]
Starch contentMedium to high [8, 9]
TasteModerate to good [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to late blight on foliageLow [9, 23] Medium [8]
Resistance to late blight on tubersLow [9, 23]
Resistance to powdery scab (Spongospora subterranea)Low to medium [8]
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 virusHigh [8, 9]
Resistance to potato virus AHigh [8]
Resistance to potato virus MHigh [9]
Resistance to potato virus XMedium to high [8]
Resistance to potato virus Y (strain not specified)Medium to high [9] High [8]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]


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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