The European Cultivated Potato Database

 
 

Ulster Viscount

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Ulster Viscount
Pedigree: Reaal x Ulster Knight [9,13,20]
Breeder: J.Clarke, Mosside, Ballymoney, Co. Antrim, N.Ireland [13]
Kartoffelzucht Böhm [9]
Breeder's rights: No [13]
Synonyms:
National list: 1968 [13]
ADMINISTRATION
Country of originUNITED KINGDOM [9, 13, 20]
Data sourceDEPT [7] DEU416 [9] GBR165 [13] IRL001 [16] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [13] Part tested [9, 20] Untested [7, 16]
Plant material maintained asTuber [9, 13, 23, 35] In-vitro [20]
Sample statusAdvanced cultivar [7, 9, 13, 16, 20, 23]
Test conditionsNon organic [13]
PLANT CHARACTERISTICS
Flower colourRed violet [9, 13]
Foliage coverModerate to good [9]
Growth habitSemi erect [13]
Light sprout colourPink [13]
MaturityIntermediate [9, 13]
Pollen fertilitySterile [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourWhite [9] Cream [13]
Tuber eye colourYellow [13]
Tuber eye depthShallow [9] Very shallow to shallow [13]
Tuber shapeOval to round [13] Long to oval [9]
Tuber skin colourWhite to yellow [9, 13]
Tuber skin textureSmooth [13]
TUBERING CHARACTERISTICS
Tuber shape uniformityUniform [9]
Tuber sizeMedium [9]
Yield potentialMedium [23]
UTILISATION CHARACTERISTICS
Starch contentMedium [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to dry rot (Fusarium spp.)Medium [9] Medium to high [13]
Resistance to gangrene (Phoma foveata)Medium [9] Medium to high [13]
Resistance to late blight on foliageHigh [9]
Resistance to late blight on foliage(Artificial inoculum in the field)Low [13]
Resistance to late blight on foliage(Laboratory test)High [13]
Resistance to late blight on tubersHigh [9]
Wart (Synchytrium endobioticum)Field immune [9, 13]
RESISTANCE TO VIRUS DISEASES
Resistance to potato virus AMedium to high [13] High [9]
Resistance to potato virus BHigh [13]
Resistance to potato virus XMedium to high [13] High [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]


Source:
[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 2008
[35] Teagasc Crops Research Centre, IRELAND 2007















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