@article{PAR00000641, title = {{S}ymbiosis of {A}cacia auriculiformis and {A}cacia mangium with mycorrhizal fungi and {B}radyrhizobium spp. improves salt tolerance in greenhouse conditions}, author = {{D}iouf, {D}. and {D}uponnois, {R}obin and {B}a, {A}.{T}. and {N}eyra, {M}arc and {L}esueur, {D}.}, editor = {}, language = {{ENG}}, abstract = {{T}he aim of our work was to assess the growth and mineral nutrition of salt stressed {A}cacia auriculiformis {A}. {C}unn. ex {B}enth. and {A}cacia mangium {W}illd. seedlings inoculated with a combination of selected microsymbionts (bradyrhizobia and mycorrhizal fungi). {P}lants were grown in greenhouse conditions in non-sterile soil, irrigated with a saline nutrient solution ( 0, 50 and 100 m{M} {N}a{C}l). {T}he inoculation combinations consisted of the {B}radyrhizobium strain {A}ust 13c for {A}. mangium and {A}ust 11c for {A}. auriculiformis, an arbuscular mycorrhizal fungus ( {G}lomus intraradices, {DAOM} 181602) and an ectomycorrhizal fungus ({P}isolithus albus, strain {COI} 007). {T}he inoculation treatments were designed to identify the symbionts that might improve the salt tolerance of both {A}cacia species. {T}he main effect of salinity was reduced tree growth in both acacias. {H}owever, it appeared that, compared with controls, both rhizobial and mycorrhizal inoculation improved the growth of the salt-stressed plants, while inoculation with the ectomycorrhizal fungus strain appeared to have a small effect on their growth and mineral nutrition levels. {E}ndomycorrhizal inoculation combined with rhizobial inoculation usually gave good results. {A}nalysis of foliar proline accumulation confirmed that dual inoculation gave the trees better tolerance to salt stress and suggested that the use of this dual inoculum might be beneficial for inoculation of both {A}cacia species in soils with moderate salt constraints.}, keywords = {{A}cacia ; microsymbionts ; proline accumulation ; salt stress}, booktitle = {}, journal = {{F}unctional {P}lant {B}iology}, volume = {32}, numero = {12}, pages = {1143--1152}, ISSN = {1445-4408}, year = {2005}, DOI = {10.1071/{FP}04069}, URL = {https://www.documentation.ird.fr/hor/{PAR}00000641}, }