Marco

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Marco
Breeder 5
Breeder Agent
administration
Data sourceDEU001
DEU416
Plant material maintained asTuber
Cryopreservation
Plant health directive EC77/93, requirementsPart tested
Untested
Country of originGERMANY
NETHERLANDS
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityLate
Foliage coverGood
Flower colourWhite
Flower frequencyFrequent
tuber characteristics
Tuber skin colourWhite to yellow
Primary tuber flesh colourCream
Light yellow
Tuber shapeOval to round
Tuber eye depthMedium
Tuber skin textureIntermediate
tubering characteristics
Yield potentialHigh
Tubers per plantMedium to many
Tuber sizeLarge
Tuber shape uniformityMedium
Secondary growthLow to medium
Growth crackingLow to medium
Hollow heart tendencyMedium
Internal rust spotInfrequent to medium
Dormancy periodLong to very long
Storage abilityVery poor to poor
utilisation characteristics
Cooking type / 411 Cooked textureMealy (floury type)
Enzymic browningLittle
Starch contentMedium to high
resistance to fungal diseases
Resistance to late blight on tubersLow to medium
Resistance to late blight on foliageMedium to high
Resistance to stem canker (Rhizoctonia solani)High
Resistance to powdery scab (Spongospora subterranea)Low to medium
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)Low to medium
Resistance to blackleg (Erwinia spp.)High
Resistance to bacterial soft rot (Erwinia spp.)High
resistance to virus diseases
Resistance to potato virus AVery high
Resistance to potato virus Y (strain not specified)Medium to high
Resistance to potato leaf roll virusHigh to very high
resistance to pests
Resistance to Globodera rostochiensis race 1High
Variety information last modified on 24th of July, 2005