The European Cultivated Potato Database

 
 

Bolko

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Bolko
Pedigree: Clone 1290 x Clone 253 [9,20]
Breeder: 5 [9]
Stare Olesno [20]
Breeder's rights:
Synonyms:
National list: 1966 [9,20]
ADMINISTRATION
Country of originPOLAND [9, 20]
Data sourceDEU416 [9] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsPart tested [9, 20]
Plant material maintained asTuber [23] In-vitro [9, 20]
Sample statusAdvanced cultivar [9, 20, 23]
PLANT CHARACTERISTICS
BerriesRare [20] Frequent [9]
Flower colourWhite [9, 20]
Flower frequencyOccasional to frequent [20] Frequent [9]
Foliage coverGood [9]
MaturityVery late [9] Late [20]
Pollen fertilitySterile [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourLight yellow [9, 20]
Tuber eye depthShallow to medium [9, 20]
Tuber shapeOval to round [9] Oval [20]
Tuber skin colourWhite to yellow [9, 20]
Tuber skin textureSmooth [9]
TUBERING CHARACTERISTICS
Dormancy periodMedium [20]
Resistance to external damageSusceptible to moderate [20]
Secondary growthLow [20]
Storage abilityPoor to moderate [20]
Tuber shape uniformityMedium to uniform [9]
Tuber sizeMedium [9, 20]
Yield potentialHigh [23] High to very high [9]
UTILISATION CHARACTERISTICS
After cooking blackeningSome [9] Little [20]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) [9]
Dry matter contentMedium [23]
Enzymic browningTrace [9]
Frying colourMedium to dark [20]
Starch contentLow [20] Medium [9]
TasteModerate to good [9, 20]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to dry rot (Fusarium spp.)Low [20]
Resistance to late blight on foliageLow to medium [9] Medium [23, 20]
Resistance to late blight on tubersVery low to low [20] Low to medium [9] High [23]
Resistance to powdery scab (Spongospora subterranea)Medium [20]
Wart (Synchytrium endobioticum)Susceptible [20] Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to bacterial soft rot (Erwinia spp.)Medium [20]
Resistance to common scab (Streptomyces scabies)Medium to high [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow [9]
Resistance to potato virus MLow [9]
Resistance to potato virus SLow [9]
Resistance to potato virus Y (strain not specified)Medium [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]
ENVIRONMENTAL STRESS FACTORS
Frost resistanceLow [23]


Source:
[9] Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), GERMANY 2005
[20] Plant Breeding and Acclimatization Institute, POLAND 2011
[23] N.I. Vavilov All-Russian Scientific Research, RUSSIAN FEDERATION 2005















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