Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Tiva
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
Intermediate to late
Foliage coverModerate
Flower colourRed violet
Flower frequencyRare
BerriesNo berries
tuber characteristics
Tuber skin colourRed
Primary tuber flesh colourYellow
Tuber shapeOval
Tuber eye depthShallow
tubering characteristics
Yield potentialHigh
Tubers per plantMany
Tuber sizeMedium
Very large
Tuber shape uniformityUniform
Secondary growthMedium
Hollow heart tendencyLow
Resistance to external damageModerate
Resistance to internal bruisingMedium
Dormancy periodMedium to long
utilisation characteristics
French fry suitabilityModerate to good
Dry matter contentHigh
Starch contentMedium to high
resistance to fungal diseases
Resistance to late blight on tubersMedium
Resistance to late blight on foliageHigh
Wart (Synchytrium endobioticum)Field immune
Field immunity to wart racesRace 1
Resistance to gangrene (Phoma foveata)High
Resistance to dry rot (Fusarium spp.)Very high
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Medium
resistance to virus diseases
Resistance to potato virus Y (strain not specified)Medium
Resistance to potato leaf roll virusMedium
Resistance to tobacco rattle virusLow
Low to medium
resistance to pests
Resistance to Globodera rostochiensis race 1High
High to very high
Resistance to Globodera rostochiensis race 5Very low to low
environmental stress factors
Drought resistanceMedium
Variety information last modified on 24th of July, 2005