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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
The ectomycorrhizal fungus Scleroderma bermudense alleviates salt stress in seagrape (Coccoloba uvifera L.) seedlings
Mycorrhiza, Volume 16, No. 8, Year 2006
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Description
The purpose of this study was to test the capacity of the ectomycorrhizal (ECM) fungus, Scleroderma bermudense, to alleviate saline stress in seagrape (Coccoloba uvifera L.) seedlings. Plants were grown over a range (0, 200, 350 and 500 mM) of NaCl levels for 12 weeks, after 4 weeks of non-saline pre-treatment under greenhouse conditions. Growth and mineral nutrition of the seagrape seedlings were stimulated by S. bermudense regardless of salt stress. Although ECM colonization was reduced with increasing NaCl levels, ECM dependency of seagrape seedlings increased. Tissues of ECM plants had significantly increased concentrations of P and K but lower Na and Cl concentrations than those of non-ECM plants. Higher K concentrations in the leaves of ECM plants suggested a higher osmoregulating capacity of these plants. Moreover, the water status of ECM plants was improved despite their higher evaporative leaf surface. The results suggest that the reduction in Na and Cl uptake together with a concomitant increase in P and K absorption and a higher water status in ECM plants may be important salt-alleviating mechanisms for seagrape seedlings growing in saline soils. © 2006 Springer-Verlag.
Authors & Co-Authors
Bandou, E.
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
France, Petit-bourg
Centre de Recherche Antilles-guyane
Lebailly, F.
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Muller, Félix
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Dulormne, Maguy
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Toribio, Armel
France, Petit-bourg
Centre de Recherche Antilles-guyane
Chabrol, J.
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
Courtecuisse, Régis
France, Lille
Université de Lille
Plenchette, Christian
France, Dijon
Centre Inrae Bourgogne-franche-comté
Prin, Yves
France, Montpellier
Laboratoire Des Symbioses Tropicales et Méditerranéennes
Duponnois, Robin
France, Montpellier
Laboratoire Des Symbioses Tropicales et Méditerranéennes
Senegal, Dakar
Centre Ird de Bel Air
Thiao, Mansour
Senegal, Dakar
Centre Ird de Bel Air
Sylla, Samba Ndao
Senegal, Dakar
Centre Ird de Bel Air
Dreyfus, Bernard Louis
France, Montpellier
Laboratoire Des Symbioses Tropicales et Méditerranéennes
Bá, Amadou Moustapha
France, Pointe-a-pitre
Universite Des Antilles et de la Guyane
France, Montpellier
Laboratoire Des Symbioses Tropicales et Méditerranéennes
Statistics
Citations: 64
Authors: 14
Affiliations: 6
Identifiers
Doi:
10.1007/s00572-006-0073-6
Research Areas
Environmental
Food Security