Madam

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Madam
Breeder 73
ZPC
Breeder Agent
administration
Data sourceCZEHBROD
DEU416
FRA179
GBR165
POL IPR BON
VRI RUSSIA
Plant material maintained asIn-vitro
Tuber and in-vitro
No longer maintained
Plant health directive EC77/93, requirementsFully tested
Part tested
Country of originNETHERLANDS
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityEarly
Very early to early
Foliage coverModerate to good
Flower colourWhite
Flower frequencyRare
BerriesNo berries
Light sprout colourPink
tuber characteristics
Tuber skin colourWhite to yellow
Tuber eye colourYellow
Primary tuber flesh colourLight yellow
Yellow
Tuber shapeOval to long
Tuber eye depthShallow
Tuber skin textureSmooth
tubering characteristics
Yield potentialHigh
Tubers per plantMedium to many
Many
Tuber sizeLarge
Large to very large
Tuber shape uniformityUniform
Secondary growthLow to medium
Internal rust spotMedium
Resistance to external damageResistant
Resistant to very resistant
Resistance to internal bruisingMedium
Medium to high
Dormancy periodShort to medium
Medium to long
utilisation characteristics
Cooking type / 411 Cooked textureMealy (floury type) to fairly firm (multi-purpose type)
After cooking blackeningTrace
None to trace
TasteModerate to good
Good
Crisp suitabilityPoor
French fry suitabilityPoor
Dry matter contentMedium to high
Starch contentMedium
resistance to fungal diseases
Resistance to late blight on tubersLow
Resistance to late blight on foliageMedium to high
Resistance to late blight on tubers (Laboratory test)High to very high
Resistance to late blight on foliage (Laboratory test)High
Wart (Synchytrium endobioticum)Field immune
Field immunity to wart racesRace 1
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Medium
High
resistance to virus diseases
Resistance to potato virus AHigh to very high
Resistance to potato virus XMedium to high
High to very high
Resistance to potato virus Y (strain not specified)Low to medium
Medium
Resistance to potato leaf roll virusMedium
Medium to high
Resistance to tobacco rattle virusLow
resistance to pests
Resistance to Globodera rostochiensis race 1Low
environmental stress factors
Drought resistanceMedium to high
Variety information last modified on 3rd of December, 2009