Increasing the role of mycorrhizal symbiosis in plant-plant facilitation process to improve the productivity and sustainability of Mediterranean agrosystems

Wahbi Sanâa, Sanguin Hervé, Tournier Estelle, Baudoin Ezékiel, Maghraoui Tasnime, Hafidi Mohamed, Prin Yves, Galiana Antoine, Duponnois Robin. 2015. Increasing the role of mycorrhizal symbiosis in plant-plant facilitation process to improve the productivity and sustainability of Mediterranean agrosystems. In : Plant microbes symbiosis: applied facets. Arora, Naveen Kumar (ed.). Mumbai : Springer India, pp. 327-336. ISBN 978-81-322-2067-1

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Abstract : Plant-plant facilitation is an ecological process occurring in most terrestrial ecosystems. Plant-plant facilitation is considered as a positive interaction between both plant partners in which one plant species promotes the growth, survival or reproduction of the neighbouring plant. Recent studies have underlined the role of mycorrhizal fungi, i.e. arbuscular mycorrhizal fungi (AMF) and particularly extra radical hyphae of AMF, in interconnecting plants and consequently their importance in plant-plant facilitation process. Networks of AMF impact soils both physically and biologically and are considered as an important pathway for the transference of nutrients such as nitrogen and phosphorus. In parallel, AMF increase plant growth and nutrient uptake and decrease the deleterious effects of pathogens and drought. The aims of this chapter are to describe how the AMF are involved in the plant facilitation process and to assess the main mycorrhizal effects on the plant nutrition (P and N) and plant health. Also the contribution of AMF in cropping systems as well as agricultural strategies which improve AM associations in arid agrosystems will be reviewed and illustrated by experimental results from field studies in Mediterranean environment. (Résumé d'auteur)

Mots-clés Agrovoc : Mycorhizé, Culture intercalaire, Fertilisation, Système de culture, Plante céréalière, Agroécosystème, Symbiose, Interactions biologiques, Vicia faba, Maladie des plantes, Légumineuse

Mots-clés géographiques Agrovoc : Région méditerranéenne

Classification Agris : F08 - Cropping patterns and systems
H20 - Plant diseases
F04 - Fertilizing
P34 - Soil biology
F61 - Plant physiology - Nutrition

Champ stratégique Cirad : Axe 1 (2014-2018) - Agriculture écologiquement intensive

Auteurs et affiliations

  • Wahbi Sanâa, Université Cadi Ayyad (FRA)
  • Sanguin Hervé, CIRAD-BIOS-UMR LSTM (FRA)
  • Tournier Estelle, CIRAD-BIOS-UMR LSTM (FRA)
  • Baudoin Ezékiel, IRD (SEN)
  • Maghraoui Tasnime, Université Cadi Ayyad (MAR)
  • Hafidi Mohamed, Université Cadi Ayyad (MAR)
  • Prin Yves, CIRAD-BIOS-UMR LSTM (FRA) ORCID: 0000-0002-3706-0045
  • Galiana Antoine, CIRAD-BIOS-UMR LSTM (FRA) ORCID: 0000-0002-5293-5049
  • Duponnois Robin, IRD (SEN)

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