Genetic diversity within Coffea canephora germplasm maintained in RCI using SSR markers, results and future prospects

Cubry Philippe, Musoli Chungason Pascal, Legnaté Hyacinthe, Aluka P., Dufour Magali, Pot David, De Bellis Fabien, Leroy Thierry. 2007. Genetic diversity within Coffea canephora germplasm maintained in RCI using SSR markers, results and future prospects. In : 21st International Conference on Coffee Science, Montpellier (France), 11th - 15th September 2006 = 21ème Colloque scientifique international sur le café ; 21. Internationales Wissenshaftliches Kolloquium über Kaffee ; 21e Coloquio Cientifico Internacional sobre el Café. ASIC. Montpellier : ASIC, pp. 912-915. ISBN 2-900212-20-0 Colloque Scientifique International sur le Café. 21, Montpellier, France, 11 September 2006/15 September 2006.

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Abstract : Robusta coffee, produced by Coffea canephora, represents about 35% of the world coffee production. As part of studies aiming at the improvement of coffee cup quality, the knowledge of the genetic diversity of the wild and cultivated populations is an important task. Up to 210 individuals from different geographic origin were screened for diversity with a set of microsatellites markers take from the whole genome. The results of this analysis are consistent with the previous studies made with other kind of markers (RFLP and isozymes). Several genetic parameters were computed and indicate a very high diversity and structuration of the species. Original wild material from Uganda (1) was also studied in order to replace it within the previously known groups. Several genetic parameters (e.g. PIC, F statistics) were computed in order to better know the dynamic of these populations. These results will be discussed in the context of Coffea canephora genetic improvement. (Résumé d'auteur)

Mots-clés Agrovoc : Coffea canephora, Qualité, Variation génétique, Marqueur génétique, Microsatellite, RFLP, Isoenzyme, Génome, Variété indigène, Variété introduite

Mots-clés géographiques Agrovoc : Ouganda

Classification Agris : F30 - Plant genetics and breeding

Auteurs et affiliations

  • Cubry Philippe, CIRAD-AMIS-UMR PIA (FRA)
  • Musoli Chungason Pascal, CORI (UGA)
  • Legnaté Hyacinthe, CNRA (CIV)
  • Aluka P., CORI (UGA)
  • Dufour Magali, CIRAD-AMIS-UMR PIA (FRA)
  • Pot David, CIRAD-AMIS-UMR PIA (BRA) ORCID: 0000-0001-6144-8448
  • De Bellis Fabien, CIRAD-AMIS-UMR PIA (FRA) ORCID: 0000-0001-7070-7691
  • Leroy Thierry, CIRAD-AMIS-UMR PIA (FRA)

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