The European Cultivated Potato Database

 
 

Dr McIntosh

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Dr McIntosh
Pedigree: Herald x S rybinii [9,13,20]
Breeder: Josef Krafft [9]
T.P.McIntosh, Edinburgh, Scotland [13]
Breeder's rights: No [13]
Synonyms:(1) McIntosh [20]
National list: 1944 [9,20]
1966 [13]
ADMINISTRATION
Country of originUNITED KINGDOM [5, 9, 13, 20]
Data sourceARCHE NOAH [2] CPVPA [5] DEPT [7] DEU416 [9] GBR165 [13] IRL001 [16] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [9, 13] Part tested [20] Untested [2, 5, 7, 16]
Plant material maintained asTuber [5, 23, 35] In-vitro [9, 13] Tuber and in-vitro [20]
Sample statusAdvanced cultivar [2, 5, 7, 9, 13, 16, 20, 23]
Test conditionsOrganic [2] Non organic [13]
PLANT CHARACTERISTICS
BerriesFrequent [13] Very frequent [9]
Flower colourWhite [9, 13]
Flower frequencyFrequent [9, 13]
Foliage coverModerate [13] Moderate to good [9]
Growth habitSemi erect [13]
Light sprout colourPink [2, 9, 13]
MaturityIntermediate [9, 13]
Pollen fertilityLow [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourWhite [9] Cream [2] Light yellow [13]
Tuber eye colourYellow [2, 13]
Tuber eye depthShallow [2, 13] Very shallow to shallow [9]
Tuber shapeOval [2] Long to oval [9, 13]
Tuber skin colourWhite to yellow [2, 9, 13]
Tuber skin textureSmooth to intermediate [2] Smooth [9, 13]
TUBERING CHARACTERISTICS
Dormancy periodMedium to long [13]
Tuber shape uniformityMedium to uniform [2] Uniform [9, 13]
Tuber sizeSmall to medium [2] Medium [9]
Yield potentialMedium [23] High [9]
UTILISATION CHARACTERISTICS
After cooking blackeningSome [2] None to trace [13]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) to firm (salad type) [2] Mealy (floury type) to fairly firm (multi-purpose type) [9]
Crisp suitabilityPoor [13]
Dry matter contentLow to medium [13] High [23]
French fry suitabilityPoor [13]
Starch contentLow [9] Medium [23]
TasteModerate to good [2] Good [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to dry rot (Fusarium coeruleum)Low [13]
Resistance to dry rot (Fusarium spp.)Low [13]
Resistance to gangrene (Phoma foveata)Low [13]
Resistance to late blight on foliageLow [9] Medium [23]
Resistance to late blight on foliage(Laboratory test)Low [13]
Resistance to late blight on tubersLow [9] Medium [23]
Resistance to late blight on tubers(Laboratory test)Low [13]
Wart (Synchytrium endobioticum)Field immune [9, 13]
RESISTANCE TO BACTERIAL DISEASES
Resistance to common scab (Streptomyces scabies)Very low to low [9, 13]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusVery low [13] Low to medium [9]
Resistance to potato virus AHigh [9] Very high [13]
Resistance to potato virus XVery low to low [9] Low [13]
Resistance to potato virus Y (strain not specified)Very low to low [9] Low [13]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9] High [2]


Source:
[2] Arche Noah, AUSTRIA 2005
[5] Centro Interprovinciale di Sperimentazione Ag, ITALY 2005
[7] Department of Agriculture Food and Forestry, IRELAND 2005
[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 2011
[35] Teagasc Crops Research Centre, IRELAND 2007















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