Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Torva
Breeder Asche-Saatzucht
Breeder Agent
Data sourceCZEHBROD
Plant material maintained asTuber
Plant health directive EC77/93, requirementsFully tested
Part tested
Country of originDENMARK
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
Very early
Foliage coverGood
Flower colourWhite
Flower frequencyRare
BerriesNo berries
tuber characteristics
Tuber skin colourWhite to yellow
Tuber eye colourYellow
Primary tuber flesh colourLight yellow
Tuber shapeOval
Long to oval
Tuber eye depthShallow
tubering characteristics
Yield potentialHigh
High to very high
Tuber sizeMedium to large
Internal rust spotMedium
Resistance to external damageVery resistant
utilisation characteristics
Cooking type / 411 Cooked textureFirm (salad type)
Fairly firm (multi-purpose type) to firm (salad type)
After cooking blackeningTrace
Enzymic browningTrace to little
Crisp suitabilityGood
Starch contentLow
resistance to fungal diseases
Resistance to late blight on tubersMedium to high
Resistance to late blight on foliageMedium to high
Resistance to stem canker (Rhizoctonia solani)Very high
Wart (Synchytrium endobioticum)Field immune
Field immunity to wart racesRace 1
Resistance to gangrene (Phoma foveata)Very high
Resistance to dry rot (Fusarium spp.)Very high
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Medium to high
resistance to virus diseases
Resistance to potato virus Y (strain not specified)Very high
Resistance to potato leaf roll virusVery high
Resistance to tobacco rattle virusHigh to very high
resistance to pests
Resistance to Globodera rostochiensis race 1High
High to very high
Resistance to Globodera rostochiensis race 4High to very high
Resistance to Globodera rostochiensis race 5Very low to low
Variety information last modified on 24th of July, 2005