Isolation and characterization of seven alien monosomic addition lines of Gossypium australe F. Muell. on G. hirsutum L.

Ahoton L., Lacape Jean-Marc, D'Hont Angélique, Baudoin Jean-Pierre, Mergeai Guy. 2004. Isolation and characterization of seven alien monosomic addition lines of Gossypium australe F. Muell. on G. hirsutum L.. In : Proceedings of the world cotton research conferences - 3. Cotton production for the new millennium. Swanepoel A. (ed.). ARC-IIC, FAO. Rustenburg : ARC-IIC, 135-142. World Cotton Research Conference. 3, Cape Town, Afrique du Sud, 9 Mars 2003/13 Mars 2003.

Résumé : The hexaploid 2 (Gossypium hirsutum L. x G. australe F. Muell.) was backcrossed to G. hirsutum to produce the pentaploid G. hirsutum x G, australe and seven alien monosomic addition lines of Gossypium australe on G. hirsutum. The different hybrids produced were characterized morphologically, cytogenetically and using genomic in situ hybridization and eighty-six Simple Sequence Repeat (SSR) markers. The analysis of their progenies allowed to quantify the frequency of genetic material exchanges between the supernumerary alien chromosome and G. hirsutum. The seven monosomic addition lines obtained constitute valuable genetic stocks to carry out fundamental and applied investigations.

Mots-clés Agrovoc : Gossypium hirsutum, hybride, polyploïdie provoquée, génétique quantitative, marqueur génétique, technique analytique

Mots-clés complémentaires : Gossypium australe

Classification Agris : F30 - Génétique et amélioration des plantes

Auteurs et affiliations

• Ahoton L., UNB (BEN)
• Lacape Jean-Marc, CIRAD-CA-COTON (FRA)
• D'Hont Angélique, CIRAD-CA-Canne à sucre (FRA)
• Baudoin Jean-Pierre, FUSAGx (BEL)
• Mergeai Guy, FUSAGx (BEL)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/520538/)

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