Geheimrat Dr. Oldenburg

'Geheimrat Dr. Oldenburg' is a German apple cultivar. It was created in 1897 at the Höheren Lehranstalt für Obstbau of Geisenheim in the Rheingau by hybridisation of Minister von Hammerstein and Baumanns Renette.[1] It may also be known as 'Geheimrat Doktor Oldenburg', 'Geheimrat Oldenburg', or simply 'Oldenburg'. It is a quite different apple from the older Russian cultivar 'Duchess of Oldenburg', also sometimes known simply as 'Oldenburg'.

Fruit

'Geheimrat Dr. Oldenburg'
GenusMalus
SpeciesMalus pumila
Hybrid parentage'Minister von Hammerstein' × 'Baumanns Renette'
Cultivar'Geheimrat Dr. Oldenburg'
OriginGermany, 1897

Hybrids

Cultivars that descend from Geheimrat Dr. Oldenburg include: Alkmene (Geheimrat Dr. Oldenburg × Cox's Orange Pippin); Apollo (Cox's Orange Pippin × Geheimrat Dr. Oldenburg); Clivia (Geheimrat Dr. Oldenburg × Cox's Orange Pippin);[2]:539; Elektra (Cox's Orange Pippin x Geheimrat Doktor Oldenburg); Roba (Geheimrat Dr. Oldenburg x unknown);[3] and possibly Dukat (Geheimrat Dr. Oldenburg × Cox's Orange Pippin).[2]:538

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See also
Flowers

References
  1. Obsttafel Nr. 250: Geheimrat Oldenburg (in German). Lemgoer Ortsgruppe im Bund für Umwelt und Naturschutz Deutschland. Accessed April 2014.
  2. K. M. Evans, A. Patocchi, F. Rezzonico, F. Mathis, C. E. Durel, F. Fernández-Fernández, A. Boudichevskaia, F. Dunemann, M. Stankiewicz-Kosyl, L. Gianfranceschi, M. Komjanc, M. Lateur, M. Madduri, Y. Noordijk, W. E. van de Weg (2011). Genotyping of pedigreed apple breeding material with a genome-covering set of SSRs: trueness-to-type of cultivars and their parentages. Molecular Breeding 28 (4): 535–547. doi:10.1007/s11032-010-9502-5
  3. Geheimrat Doktor Oldenburg. National Fruit Collection. Accessed October 2015.


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