Emperor

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Emperor
Breeder Agent
administration
Data sourceGBR165
Plant material maintained asTuber and in-vitro
Plant health directive EC77/93, requirementsFully tested
Country of originUNITED STATES
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityEarly
Growth habitSemi erect
Flower colourBlue violet
Flower frequencyFrequent
BerriesRare
Light sprout colourBlue
tuber characteristics
Tuber skin colourWhite to yellow
Tuber eye colourYellow
Primary tuber flesh colourLight yellow
Tuber shapeOval to round
Tuber eye depthShallow to medium
Tuber skin textureIntermediate
tubering characteristics
Resistance to external damageModerate to resistant
Resistance to internal bruisingMedium
utilisation characteristics
After cooking blackeningNone
Crisp suitabilityGood
resistance to fungal diseases
Resistance to late blight on tubers (Laboratory test)Low
Resistance to late blight on foliage (Laboratory test)Low
Resistance to powdery scab (Spongospora subterranea)Low to medium
Wart (Synchytrium endobioticum)Susceptible
Resistance to gangrene (Phoma foveata)Very low to low
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Low to medium
Resistance to blackleg (Erwinia spp.)Medium
resistance to virus diseases
Resistance to potato virus Y (strain not specified)Very high
Resistance to potato leaf roll virusHigh
resistance to pests
Resistance to Globodera rostochiensis race 1Very low to low
Resistance to Globodera pallida race 1Very low to low
Resistance to Globodera pallida race 2Low
Resistance to Globodera pallida race 3Low
Variety information last modified on 19th of August, 2008