The European Cultivated Potato Database

 
 

Porta

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Porta
Pedigree: Hansa x (Ackersegen x MPI 44.335/37) [6,9,20]
Breeder: Vereinigte Saatzuchten eG [9]
Breeder's rights:
Synonyms:
National list: 1970 [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, 9] Tuber and in-vitro [20]
Sample statusAdvanced cultivar [6, 9, 20, 23]
Test conditionsNon organic [6]
PLANT CHARACTERISTICS
BerriesOccasional [9]
Flower colourWhite [9]
Flower frequencyFrequent [9]
Foliage coverGood [9]
MaturityIntermediate [9]
Pollen fertilitySterile [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [9]
Tuber eye depthShallow to medium [9]
Tuber shapeOval [9]
Tuber skin colourWhite to yellow [9]
Tuber skin textureVery smooth to smooth [9]
TUBERING CHARACTERISTICS
Dormancy periodLong [9]
Growth crackingLow [9]
Hollow heart tendencyLow [9]
Internal rust spotMedium to frequent [9]
Resistance to external damageModerate [9]
Secondary growthMedium [9]
Tuber shape uniformityMedium to uniform [9]
Tuber sizeMedium [9]
Yield potentialMedium to high [9]
UTILISATION CHARACTERISTICS
After cooking blackeningNone to trace [9]
Cooking type / 411 Cooked textureMealy (floury type) to fairly firm (multi-purpose type) [9]
Enzymic browningSome [9]
Starch contentLow [9] Medium [23]
TasteModerate to good [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to late blight on foliageLow to medium [9] Medium [23]
Resistance to late blight on tubersMedium [9, 23]
Resistance to powdery scab (Spongospora subterranea)Low [9]
Resistance to stem canker (Rhizoctonia solani)Low to medium [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 [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusMedium [9]
Resistance to potato virus AMedium to high [9]
Resistance to potato virus Y (strain not specified)Medium to high [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]
ENVIRONMENTAL STRESS FACTORS
Frost resistanceMedium [23]


The following sources maintain more than one accession of the variety Porta:
Source Accession no. Recorded variations
2320379none
2317050none

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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