The European Cultivated Potato Database

 
 

Kennebec

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Kennebec
Pedigree: B127 x USDA X96 56 [5,6,8,9,13,14,18,19,20]
Breeder: Kartoffelzucht Böhm [9]
USDA [5,13,14,19]
Breeder's rights: No [13]
Synonyms:
National list: 1948 [8,9,14,20]
1966 [13]

foliage

leaf


ADMINISTRATION
Country of originUNITED STATES [5, 6, 8, 9, 13, 14, 18, 20]
Data sourceCPVPA [5] CZEHBROD [6] DEPT [7] DEU001 [8] DEU416 [9] FRA179 [11] GBR165 [13] HUN052 [14] IRL001 [16] NEIKER [18] NIVAA [19] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [5, 7, 13, 16] Part tested [6, 8, 11, 14] Untested [9, 20]
Plant material maintained asTuber [11, 18, 20, 23, 35] In-vitro [5, 6, 8, 14] Tuber and in-vitro [13] Tuber + in-vitro and cryopreservation [9]
Sample statusAdvanced cultivar [5, 6, 7, 8, 9, 11, 13, 14, 16, 18, 19, 20, 23]
Test conditionsNon organic [6, 8, 13, 14]
PLANT CHARACTERISTICS
BerriesNo berries [19] Very rare [9]
Flower colourWhite [9, 13, 14, 19]
Flower frequencyNo flowers [19] Very rare [13] Rare [9, 14]
Foliage coverGood [9] Good to dense [14, 19]
Growth habitSemi erect to erect [19] Semi erect [9, 14] Spreading to semi erect [13]
Light sprout colourPink [9, 13, 19]
MaturityLate [9] Intermediate [13, 14] Early to intermediate [8, 19] Early [18]
TUBER CHARACTERISTICS
Primary tuber flesh colourWhite [13, 14, 18, 19] Cream [9] Yellow [8]
Tuber eye colourYellow [13, 19]
Tuber eye depthShallow to medium [13, 19] Shallow [9, 14] Very shallow to shallow [8]
Tuber shapeOval to round [8, 18, 19] Oval [9, 13] Long to oval [14]
Tuber skin colourWhite to yellow [8, 9, 13, 14, 18, 19]
Tuber skin textureSmooth [13, 19]
TUBERING CHARACTERISTICS
AdaptabilityWide to very wide [14]
Dormancy periodMedium [9] Medium to long [13]
Hollow heart tendencyMedium [9] Low [18]
Internal rust spotMedium [8] Infrequent to medium [9] Infrequent [18]
Resistance to external damageSusceptible [9] Moderate to resistant [13]
Resistance to internal bruisingMedium to high [9] High [13, 14, 19]
Secondary growthLow [9]
Storage abilityPoor to moderate [8] Good [14]
Tuber shape uniformityUniform [9, 18, 19] Uniform to very uniform [13]
Tuber sizeLarge [14] Large to very large [9, 19] Very large [13, 18]
Tubers per plantFew [18] Medium [9] Medium to many [13]
Yield potentialMedium [23] High [14, 18] High to very high [9, 19]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace [9, 13, 19]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) [14] Mealy (floury type) to fairly firm (multi-purpose type) [9, 13, 19]
Crisp suitabilityPoor [13] Good [14, 18, 19]
Dry matter contentMedium to high [14, 18] High [13, 19]
French fry suitabilityPoor [13] Moderate [18] Good [19]
Starch contentLow [18] Low to medium [9] Medium [8] Medium to high [14]
TastePoor to moderate [13] Moderate to good [9]
RESISTANCE TO FUNGAL DISEASES
Resistance to dry rot (Fusarium spp.)Medium [18]
Resistance to early blight (Alternaria solani)Very low [18]
Resistance to late blight on foliageMedium [9, 18, 23] High [8, 14]
Resistance to late blight on foliage(Artificial inoculum in the field)High [19]
Resistance to late blight on foliage(Laboratory test)High [13]
Resistance to late blight on tubersMedium [9, 18] High [8, 14, 23]
Resistance to late blight on tubers(Artificial inoculum in the field)High [19]
Resistance to late blight on tubers(Laboratory test)High [13]
Resistance to powdery scab (Spongospora subterranea)Medium to high [8]
Resistance to stem canker (Rhizoctonia solani)Medium [18]
Wart (Synchytrium endobioticum)Susceptible [8, 9, 14, 19]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)Low [9] Medium to high [14]
Resistance to common scab (Streptomyces scabies)Low [9, 18] Medium to high [13, 14, 19]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusLow [9] Low to medium [14] Medium [8, 13, 19] High [18]
Resistance to potato virus AHigh to very high [9] Very high [8, 13, 14, 19]
Resistance to potato virus MLow [9]
Resistance to potato virus XLow [9, 18] Medium [8, 13, 14, 19]
Resistance to potato virus Y (strain not specified)Medium to high [9, 14] High to very high [8, 13, 19]
Resistance to potato virus YNVery high [18]
Resistance to tobacco rattle virusLow [9] Medium [13]
RESISTANCE TO PESTS
Resistance to Globodera pallida race 1Low [13]
Resistance to Globodera pallida race 2Low [13]
Resistance to Globodera rostochiensis race 1Low [8, 9, 13, 14, 19]
ENVIRONMENTAL STRESS FACTORS
Drought resistanceHigh to very high [9] Very high [13]


Source:
[5] Centro Interprovinciale di Sperimentazione Ag, ITALY 2005
[6] Potato Research Institute, CZECH REPUBLIC 2010
[7] Department of Agriculture Food and Forestry, IRELAND 2005
[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
[14] Pannon University , HUNGARY 2005
[18] NEIKER-Instituto Vasco de Investigación y Des, SPAIN 2005
[19] Nederlands Potato Consultative Foundation (NIVAP), NETHERLANDS 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
[35] Teagasc Crops Research Centre, IRELAND 2007















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