The European Cultivated Potato Database

 
 

Isna

[pedigree] [parents] [similar varieties][tabulated data]
HIGHER TAXON: Solanaceae
GENUS:Solanum L.
Solanum tuberosum L. cv. Isna
Pedigree: 35 53 471 B x MPI 44 335 128 (adg,dms) [6,9]
Breeder: 5 [9]
Breeder's rights:
Synonyms:
National list: 1969 [9]
ADMINISTRATION
Country of originGERMANY [6, 9]
Data sourceCZEHBROD [6] DEU416 [9] FRA179 [11] HZPC [15] VERN eV [22] VRI RUSSIA [23]
Plant health directive EC77/93, requirementsFully tested [9, 15] Part tested [11] Infected [6] Untested [22]
Plant material maintained asTuber [15, 22, 23] In-vitro [6, 9] Tuber and in-vitro [11]
Sample statusAdvanced cultivar [6, 9, 11, 15, 22, 23]
Test conditionsNon organic [6, 15]
PLANT CHARACTERISTICS
BerriesNo berries [9]
Flower colourWhite [9]
Flower frequencyFrequent [9]
Foliage coverGood [9]
MaturityIntermediate [9]
TUBER CHARACTERISTICS
Primary tuber flesh colourYellow [9]
Tuber eye depthShallow [9]
Tuber shapeOval to long [9]
Tuber skin colourWhite to yellow [9]
Tuber skin textureSmooth to intermediate [9]
TUBERING CHARACTERISTICS
Dormancy periodMedium [9]
Growth crackingLow [9]
Hollow heart tendencyLow to medium [9]
Internal rust spotInfrequent [9]
Resistance to external damageResistant [9]
Secondary growthMedium [9]
Tuber shape uniformityUniform [9]
Tuber sizeMedium [9]
Tubers per plantMedium [9]
Yield potentialMedium to high [9]
UTILISATION CHARACTERISTICS
After cooking blackeningTrace to little [9]
Cooking type / 411 Cooked textureMealy (floury type) to fairly firm (multi-purpose type) [9]
Dry matter contentHigh [23]
Enzymic browningTrace to little [9]
Starch contentLow [9]
TasteGood [9]
RESISTANCE TO FUNGAL DISEASES
Field immunity to wart racesRace 1 [9]
Resistance to dry rot (Fusarium spp.)Medium [15]
Resistance to early blight (Alternaria solani)Low [9]
Resistance to late blight on foliageMedium to high [9, 15]
Resistance to late blight on tubersLow [9]
Resistance to powdery scab (Spongospora subterranea)High to very high [15]
Resistance to stem canker (Rhizoctonia solani)Low [9]
Wart (Synchytrium endobioticum)Field immune [9]
RESISTANCE TO BACTERIAL DISEASES
Resistance to blackleg (Erwinia spp.)High [9]
Resistance to common scab (Streptomyces scabies)Medium [9]
RESISTANCE TO VIRUS DISEASES
Resistance to potato leaf roll virusVery high [9]
Resistance to potato virus AHigh to very high [9]
Resistance to potato virus MHigh [9]
Resistance to potato virus XHigh [9]
Resistance to potato virus Y (strain not specified)High to very high [9]
RESISTANCE TO PESTS
Resistance to Globodera rostochiensis race 1Low [9]
Resistance to Globodera rostochiensis race 5Very low to low [15]


Source:
[6] Potato Research Institute, CZECH REPUBLIC 2010
[9] Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), GERMANY 2005
[11] INRA, FRANCE 2005
[15] HZPC B.V., NETHERLANDS 2005
[22] VERN e.V., GERMANY 2005
[23] N.I. Vavilov All-Russian Scientific Research, RUSSIAN FEDERATION 2005















.