Nurse shrubs increased the early growth of Cupressus seedlings by enhancing belowground mutualism and soil microbial activity

Duponnois Robin, Ouahmane Lahcen, Kane Aboubacry, Thioulouse Jean, Hafidi Abdellatif, Boumezzough Ali, Prin Yves, Baudoin Ezékiel, Galiana Antoine, Dreyfus Bernard. 2011. Nurse shrubs increased the early growth of Cupressus seedlings by enhancing belowground mutualism and soil microbial activity. Soil Biology and Biochemistry, 43 (10) : pp. 2160-2168.

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Quartile : Q1, Sujet : SOIL SCIENCE

Abstract : The influence of shrubs used as nurse plants was tested on the growth of Cupressus atlantica, on microbial activity and on arbuscular mycorrhizal (AM) soil potential in a Mediterranean environment. An experimental plantation was conducted combining uninoculated, arbuscular mycorrhized Cypress seedlings and an association between Lavandula stoechas planted close to newly planted C. atlantica seedlings. After three years plantation, this association between C. atlantica and L. stoechas lead to a higher growth of C. atlantica and better soil microbial characteristics compared to the control treatment. AM mycelium network, total microbial activity, dehydrogenase activity, phosphate-solubilizing fluorescent pseudomonads and N, P nutrient uptake by C. atlantica, were significantly higher in the presence of L. stoechas than those recorded in the other treatments. This pioneer shrubs facilitates the early establishment of Cypress seedlings by improving soil microbial characteristics and AM fungus community development. Given that the facilitative effect of one plant species to another increases with abiotic stress, the benefits of this technique would be useful in reforestation programs undertaken to rehabilitate degraded areas in Mediterranean region. (Résumé d'auteur)

Mots-clés Agrovoc : Cupressus, Lavandula, Reconstitution forestière, Mycorhizé à vésicule et arbuscule, Lavandula stoechas

Mots-clés géographiques Agrovoc : Maroc

Mots-clés complémentaires : Cupressus atlantica

Classification Agris : F62 - Plant physiology - Growth and development
K01 - Forestry - General aspects
F40 - Plant ecology
P34 - Soil biology

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

Auteurs et affiliations

  • Duponnois Robin, IRD (SEN)
  • Ouahmane Lahcen, Université Cadi Ayyad (MAR)
  • Kane Aboubacry, IRD (SEN)
  • Thioulouse Jean, CNRS (FRA)
  • Hafidi Abdellatif, Université Cadi Ayyad (MAR)
  • Boumezzough Ali, Université Cadi Ayyad (MAR)
  • Prin Yves, CIRAD-BIOS-UMR LSTM (FRA) ORCID: 0000-0002-3706-0045
  • Baudoin Ezékiel, IRD (SEN)
  • Galiana Antoine, CIRAD-BIOS-UMR LSTM (FRA) ORCID: 0000-0002-5293-5049
  • Dreyfus Bernard, IRD (FRA)

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