Sigma

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Sigma
Breeder Asche-Saatzucht
Breeder Agent
administration
Data sourceCZEHBROD
DEU001
DEU416
VRI RUSSIA
Plant material maintained asTuber
In-vitro
Plant health directive EC77/93, requirementsPart tested
Infected
Untested
Country of originAUSTRIA
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityIntermediate
Early to intermediate
Foliage coverGood
Flower colourWhite
Flower frequencyRare to occasional
BerriesRare
Light sprout colourGreen
tuber characteristics
Tuber skin colourWhite to yellow
Primary tuber flesh colourYellow
Deep yellow
Tuber shapeLong to oval
Tuber eye depthShallow
Tuber skin textureVery smooth to smooth
tubering characteristics
Yield potentialMedium
Tubers per plantMany
Tuber sizeLarge
Tuber shape uniformityVariable to medium
Secondary growthMedium to high
Growth crackingLow
Hollow heart tendencyLow
Internal rust spotInfrequent to medium
Resistance to external damageModerate to resistant
Dormancy periodLong to very long
Storage abilityVery poor to poor
utilisation characteristics
Cooking type / 411 Cooked textureFairly firm (multi-purpose type)
After cooking blackeningTrace to little
Enzymic browningTrace to little
TasteModerate to good
Starch contentLow
Low to medium
resistance to fungal diseases
Resistance to late blight on tubersMedium
High
Resistance to late blight on foliageMedium
Medium to high
Resistance to stem canker (Rhizoctonia solani)High
Resistance to powdery scab (Spongospora subterranea)High
Wart (Synchytrium endobioticum)Susceptible
Field immune
Field immunity to wart racesRace 1
Susceptibility to wart racesRace 1
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)High
Resistance to blackleg (Erwinia spp.)High
resistance to virus diseases
Resistance to potato virus AHigh
High to very high
Resistance to potato virus Y (strain not specified)High
Very high
Resistance to potato leaf roll virusMedium to high
High to very high
resistance to pests
Resistance to Globodera rostochiensis race 1Low
Variety information last modified on 21st of October, 2010