The European Cultivated Potato Database

 
 

Grata

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Grata
Pedigree: Ackersegen x Flava [8,20]
Ackersegen x Flava (tbr) [9]
Breeder: Stader Saatzucht eG [9]
Breeder's rights:
Synonyms:
National list: 1955 [8,9,20]
ADMINISTRATION
Country of originGERMANY [8, 9, 20]
Data sourceDEU001 [8] DEU416 [9] FRA179 [11] POL IPR BON [20] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [9] Part tested [8, 11, 20]
Plant material maintained asTuber [23] In-vitro [11, 20] Cryopreservation [8] Tuber + in-vitro and cryopreservation [9]
Sample statusAdvanced cultivar [8, 9, 11, 20, 23]
Test conditionsNon organic [8]
PLANT CHARACTERISTICS
BerriesRare [9]
Flower colourWhite [9]
Flower frequencyOccasional to frequent [9]
Foliage coverGood [9]
Light sprout colourPink [9]
MaturityIntermediate [9] Early to intermediate [8]
Pollen fertilityModerate [23]
TUBER CHARACTERISTICS
Primary tuber flesh colourYellow [9] Deep yellow [8]
Tuber eye depthMedium [8, 9]
Tuber shapeOval to round [8, 9]
Tuber skin colourWhite to yellow [8, 9]
Tuber skin textureIntermediate to rough [9]
TUBERING CHARACTERISTICS
Dormancy periodMedium [9]
Growth crackingLow to medium [9]
Hollow heart tendencyMedium [9]
Internal rust spotMedium [8, 9]
Resistance to external damageModerate to resistant [9]
Secondary growthMedium [9]
Tuber shape uniformityMedium to uniform [9]
Tuber sizeMedium [9]
Tubers per plantMedium to many [9]
Yield potentialMedium [9, 23]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace [9]
Cooking type / 411 Cooked textureFairly firm (multi-purpose type) [9]
Enzymic browningTrace to little [9]
Starch contentLow [23] Low to medium [8, 9]
TasteGood [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to late blight on foliageLow [23] Medium [8, 9]
Resistance to late blight on tubersLow [23] Medium [8, 9]
Resistance to powdery scab (Spongospora subterranea)High [8]
Resistance to stem canker (Rhizoctonia solani)High [9]
Susceptibility to wart racesRace 1 [8]
Wart (Synchytrium endobioticum)Susceptible [8] Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)High [8, 9]
Resistance to common scab (Streptomyces scabies)High [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusHigh [8, 9]
Resistance to potato virus AVery high [8, 9]
Resistance to potato virus MMedium [9]
Resistance to potato virus XLow [9]
Resistance to potato virus Y (strain not specified)Very low to low [8, 9]
Resistance to tobacco rattle virusMedium to high [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]


The following sources maintain more than one accession of the variety Grata:
Source Accession no. Recorded variations
236586none
234923none

Source:
[8] Federal Research Centre of Agriculture, GERMANY 2005
[9] Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), GERMANY 2005
[11] INRA, FRANCE 2005
[20] Plant Breeding and Acclimatization Institute, POLAND 2005
[23] N.I. Vavilov All-Russian Scientific Research, RUSSIAN FEDERATION 2005















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