@article{fdi:010036691, title = {{C}ontrasting responses to ectomycorrhizal inoculation in seedlings of six tropical {A}frican tree species}, author = {{D}i{\'e}dhiou, {A}rona and {G}ueye, {O}. and {D}iabate, {M}. and {P}rin, {Y}. and {D}uponnois, {R}obin and {D}reyfus, {B}ernard and {B}a, {A}.{M}.}, editor = {}, language = {{ENG}}, abstract = {{F}ive caesalpinioid legumes, {A}fzelia africana, {A}fzelia bella, {A}nthonotha macrophylla, {C}ryptosepalum tetraphylum and {P}aramacrolobium coeruleum, and one {E}uphorbiaceae species, {U}apaca somon, with a considerable range in seed sizes, exhibited different responses to inoculation by four species of ectomycorrhizal ({ECM}) fungi, {S}cleroderma dictyosporum, {S}. verrucosum, {P}isolithus sp. and one thelephoroid sp. in greenhouse conditions. {T}helephoroid sp. efficiently colonized seedlings of all of the five caesalpinioid legumes except {U}. somon, but provided no more growth benefit than the other fungi. {T}helephoroid sp. and {S}. dictyosporum colonized seedlings of {U}. somon poorly, but stimulated plant growth more than the other fungi. {T}he relative mycorrhizal dependency ({RMD}) values of the caesalpinioid legumes were never higher than 50%, whilst {U}. somon had {RMD} values ranging from 84.6 to 88.6%, irrespective of the fungal species. {T}he {RMD} values were negatively related to seed mass for all plant species. {P}otassium concentrations in leaves were more closely related than phosphorus to the stimulation of seedling biomass production by the {ECM} fungi. {O}ur data support the hypothesis that {A}frican caesalpinioid legumes and euphorbe tree species with smaller seeds show higher {RMD} values than those with the larger seeds.}, keywords = {caesalpinioid legumes ; {U}apaca somon ; seed mass ; relative mycorrhizal dependency ; mineral nutrition}, booktitle = {}, journal = {{M}ycorrhiza}, volume = {16}, numero = {1}, pages = {11--17}, ISSN = {0940-6360}, year = {2005}, DOI = {10.1007/s00572-005-0007-8}, URL = {https://www.documentation.ird.fr/hor/fdi:010036691}, }