Merrimack

Higher Taxon Solanaceae
Genus Solanum L.
Species Solanum tuberosum L. cv. Merrimack
Breeder Agent
administration
Data sourceDEU001
DEU416
FRA179
POL IPR BON
Plant material maintained asIn-vitro
Plant health directive EC77/93, requirementsFully tested
Part tested
Infected
Untested
Country of originUNITED STATES
Sample statusAdvanced cultivar
Test conditionsNon organic
plant characteristics
MaturityLate
Foliage coverModerate to good
Flower colourWhite
tuber characteristics
Tuber skin colourWhite to yellow
Primary tuber flesh colourWhite
Tuber shapeOval to round
Tuber eye depthShallow to medium
Tuber skin textureSmooth to intermediate
tubering characteristics
Yield potentialMedium to high
Tuber shape uniformityUniform
utilisation characteristics
TasteExcellent
Starch contentMedium
resistance to fungal diseases
Resistance to late blight on tubersHigh to very high
Resistance to late blight on foliageVery high
Resistance to early blight (Alternaria solani)High
Resistance to powdery scab (Spongospora subterranea)High
Wart (Synchytrium endobioticum)Susceptible
resistance to bacterial diseases
Resistance to common scab (Streptomyces scabies)Medium to high
resistance to virus diseases
Resistance to potato virus AHigh
Resistance to potato virus XHigh
Resistance to potato virus Y (strain not specified)High
Resistance to potato leaf roll virusVery low
resistance to pests
Resistance to Globodera rostochiensis race 1Low
Variety information last modified on 24th of July, 2005