Co-inoculation of Acacia mangium with Glomus intraradices and Bradyrhizobium sp. in aeroponic culture

Weber Jean, Ducousso Marc, Tham Foong Yee, Nourissier-Mountou Sophie, Galiana Antoine, Prin Yves, Lee Sing Kong. 2005. Co-inoculation of Acacia mangium with Glomus intraradices and Bradyrhizobium sp. in aeroponic culture. Biology and Fertility of Soils, 41 : pp. 233-239.

Journal article ; Article de revue à facteur d'impact
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Abstract : Acacia mangium grown in aeroponic culture was co-inoculated with selected strains of Bradyrhizobium sp. and Glomus intraradices. A single-step technique using alginate as an embedding and sticking agent for an inoculum composed of arbuscular mycorrhiza (AM)-infected sheared roots was used to infect plants. This method resulted in the successful establishment of AM in 100% of the inoculated plants after 7 weeks. The results indicated that dual microbial inoculation with Glomus intraradices strain S-043 and Bradyrhizobium strain AUST 13C stimulated the growth of A. mangium in aeroponic culture. The effects of single and dual microbial inoculations were also evaluated at two levels of P in the nutrient medium. A concentration of 5 mg P kg-1 stimulated the development of AM without affecting plant development or establishment of Bradyrhizobium symbiosis. In contrast, saplings supplemented with a higher concentration of P (25 mg kg-1) alone or co-inoculated with Bradyrhizobium had lower AM frequencies. (Résumé d'auteur)

Mots-clés Agrovoc : Inoculation, Glomus intraradices, Bradyrhizobium, Fixation de l'azote, Substance de croissance végétale

Classification Agris : F62 - Plant physiology - Growth and development

Champ stratégique Cirad : Axe 1 (2005-2013) - Intensification écologique

Auteurs et affiliations

  • Weber Jean, Nanyang Technological University (SGP)
  • Tham Foong Yee, Nanyang Technological University (SGP)
  • Nourissier-Mountou Sophie, CIRAD-FORET-PLANTATIONS (FRA)
  • Galiana Antoine, CIRAD-FORET-PLANTATIONS (FRA) ORCID: 0000-0002-5293-5049
  • Prin Yves, CIRAD-FORET-PLANTATIONS (FRA) ORCID: 0000-0002-3706-0045
  • Lee Sing Kong, Nanyang Technological University (SGP)

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