The European Cultivated Potato Database

 
 

Long Blue

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Long Blue
Pedigree:
Breeder:
Breeder's rights:
Synonyms:(1) Mrs Moerles Purple Baker [2,9]
(2) Mary Mitchels Purple Baker [2,9]
National list:
ADMINISTRATION
Country of originCANADA [20] CUBA [2, 6, 9] UNITED STATES [9]
Data sourceARCHE NOAH [2] CZEHBROD [6] DEU416 [9] POL IPR BON [20] VERN eV [22]
Plant health directive EC77/93, requirementsFully tested [9] Part tested [20] Infected [2, 6] Untested [2, 22]
Plant material maintained asTuber [2, 22] In-vitro [6, 9, 20] Tuber and in-vitro [9]
Sample statusTraditional cultivar/landrace [9] Advanced cultivar [2, 6, 20, 22]
Test conditionsOrganic [2] Non organic [6]
PLANT CHARACTERISTICS
Flower colourWhite [9]
Foliage coverModerate to good [9]
Light sprout colourBlue [2]
MaturityIntermediate to late [9] Intermediate [9]
TUBER CHARACTERISTICS
Primary tuber flesh colourWhite [2, 9] Cream [2]
Tuber eye colourBlue [2]
Tuber eye depthShallow to medium [2, 9] Shallow [2]
Tuber shapeOval [2] Long to oval [2] Very long [9]
Tuber skin colourBlue [2, 9]
Tuber skin textureSmooth to intermediate [2]
TUBERING CHARACTERISTICS
Secondary growthVery low to low [2]
Tuber shape uniformity to medium [9] Medium to uniform [2]
Tuber sizeMedium to large [2] Large to very large [2]
UTILISATION CHARACTERISTICS
After cooking blackeningSome [2] Little to some [2]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) to firm (salad type) [2]
TasteModerate to good [2]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow [9] High [2]
Resistance to potato virus ALow [9] High [2]
Resistance to potato virus MHigh [2]
Resistance to potato virus SMedium [2]
Resistance to potato virus XVery low [2] Low [9]
Resistance to potato virus Y (strain not specified)Very low [2] Low [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [2]


Source:
[2] Arche Noah, AUSTRIA 2005
[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
[22] VERN e.V., GERMANY 2005















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