The European Cultivated Potato Database

 
 

Keswick

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Keswick
Pedigree: F1020-1 x Green Mountain [9,20]
Breeder: Asche-Saatzucht [9]
Breeder's rights: No [13]
Synonyms:
National list: 1951 [9,20]
ADMINISTRATION
Country of originCANADA [9, 13, 20]
Data sourceDEU416 [9] GBR165 [13] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsPart tested [9, 20] Infected [13]
Plant material maintained asTuber [13, 23] In-vitro [9, 20]
Sample statusAdvanced cultivar [9, 13, 20, 23]
Test conditionsNon organic [13]
PLANT CHARACTERISTICS
BerriesVery rare [9]
Flower colourWhite [9, 13]
Flower frequencyOccasional to frequent [9]
Foliage coverModerate to good [9]
Light sprout colourBlue [13]
MaturityIntermediate [9] Early [13]
Pollen fertilitySterile [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourWhite [9, 13]
Tuber eye depthShallow to medium [9]
Tuber shapeOval to round [9, 13]
Tuber skin colourWhite to yellow [9, 13]
TUBERING CHARACTERISTICS
Tuber shape uniformityUniform [9]
Tuber sizeLarge [9]
Yield potentialMedium [23] High to very high [9]
UTILISATION CHARACTERISTICS
Dry matter contentMedium to high [13]
Starch contentMedium [9]
TasteExcellent [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to late blight on foliageLow [23] Medium to high [9]
Resistance to late blight on foliage(Laboratory test)High [13]
Resistance to late blight on tubersLow [23] Medium to high [9]
Resistance to late blight on tubers(Laboratory test)High [13]
Wart (Synchytrium endobioticum)Field immune [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow [9]
Resistance to potato virus AVery high [9, 13]
Resistance to potato virus XLow [9]
Resistance to potato virus Y (strain not specified)Low [9] Low to medium [13]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]


Source:
[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
[13] SASA, UNITED KINGDOM 2005















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