Genetic mapping of favorable traits in sugarcane cultivars

D'Hont Angélique, Grivet Laurent, Hoarau Jean-Yves, Paulet Florence, Asnaghi Carole, Kaye Claudia, Jannoo Nazeema, Alix Karine, Offmann Bernard Gilles, Girard Jean-Claude, Raboin Louis-Marie, Rott Philippe, Glaszmann Jean-Christophe. 1999. Genetic mapping of favorable traits in sugarcane cultivars. In : Proceedings of the XXIII ISSCT Congress : 22-26 February 1999, New Delhi, India. Singh V. (ed.), Kumar Vinay (ed.). ISSCT. New Delhi : Sugar Technologists' Association of India, pp. 273-276. ISBN 81-85871-30-2 ISSCT Congress. 23, New Delhi, Inde, 22 February 1999/26 February 1999.

Paper with proceedings
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Abstract : Genome mapping studies have been focussed on modern cultivars for a better understanding of their complex genomic structure. This resulted in the construction of a detailed RFLP linkage map and also the investigation of some aspects of chromosome inheritance and pairing behaviour in cultivars. As a complement, DNA in situ hybridization on chromosomes allowed the assessment of the basic chromosome number of ancestral species and of their contribution to the genome of modern cultivars. Comparative mapping with distant diploid relatives revealed a large amount of chromosome structure conservation between species, especially between sugarcane and sorghum, and to a lesser extent between sugarcane, maize and rice. Field experiment on selfed progenies of R570 allowed to identify a major rust resistance gene and several QTL for yield components. These results showed that identification of QTL is possible despite the high ploidy level of cultivated sugarcane clones. (Résumé d'auteur)

Mots-clés Agrovoc : Saccharum, Carte génétique, Génome, Chromosome, Variété, RFLP, Caractère agronomique

Mots-clés complémentaires : QTL

Classification Agris : F30 - Plant genetics and breeding

Auteurs et affiliations

  • D'Hont Angélique, CIRAD-CA-Canne à sucre (FRA)
  • Grivet Laurent, CIRAD-AMIS-BIOTROP (FRA)
  • Hoarau Jean-Yves, CERF (REU) ORCID: 0000-0001-9734-4165
  • Paulet Florence, CIRAD-CA-Canne à sucre (FRA)
  • Asnaghi Carole, CIRAD-CA-Canne à sucre (FRA)
  • Kaye Claudia, CIRAD-CA-Canne à sucre (FRA)
  • Jannoo Nazeema, MSIRI (MUS)
  • Alix Karine, CIRAD-CA-Canne à sucre (FRA)
  • Offmann Bernard Gilles, CIRAD-CA-Canne à sucre (FRA)
  • Girard Jean-Claude, CIRAD-CA-Canne à sucre (FRA)
  • Raboin Louis-Marie, CIRAD-CA-Canne à sucre (REU)
  • Rott Philippe, CIRAD-CA-Canne à sucre (FRA) ORCID: 0000-0001-6085-6159
  • Glaszmann Jean-Christophe, CIRAD-AMIS-BIOTROP (FRA) ORCID: 0000-0001-9918-875X

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