@article{fdi:010064184, title = {{T}he native shrub, {P}iliostigma reticulatum, as an ecological "resource island" for mango trees in the {S}ahel}, author = {{H}ernandez, {R}. {R}. and {D}ebenport, {S}. {J}. and {L}eewis, {M}cce and {N}doye, {F}. and {N}kenmogne, {K}. {I}. {E}. and {S}oumare, {A}. and {T}huita, {M}. and {G}ueye, {M}. and {M}iambi, {E}. and {C}hapuis {L}ardy, {L}ydie and {D}iedhiou, {I}. and {D}ick, {R}. {P}.}, editor = {}, language = {{ENG}}, abstract = {{A}frican farmers are increasingly adopting sustainable agricultural practices including use of native shrub intercropping approaches. {I}n one village of {S}enegal (near {T}hies) it was reported that farmers planted mango ({M}angifera indica) seedlings within the canopies of a native shrub ({P}iliostigma reticulatum). {A}necdotal information and qualitative observations suggested that the presence of {P}. reticulatum promoted soil quality and a competitive advantage for establishing mango plantations. {W}e hypothesized that soil chemical and microbial properties of mango rhizosphere soil growing in the presence of {P}. reticulatum would be significantly improved over soils associated with mango growing outside the influence of {P}. reticulatum. {T}he results showed that mango-shrub interplanting significantly lowered p{H}, and increased arbuscular mycorrhizal fungi ({AMF}) colonization of mango roots, enzyme activities, and microbial biomass compared to mango alone. {P}hylogenetic analyses by {PCR}-denaturing gradient gel electrophoresis ({DGGE}) showed that community structures of fungi, bacteria, and bacterial genes responsible for denitrification (nir{K}) of the soil from the rooting zone of the mango-shrub intercropping system were distinct from all other soil outside the influence of {P}. reticulatum. {I}t is concluded that {P}. reticulatum enhances soil biological functioning and that there is a synergistic effect of intercropping mango with the native shrub, {P}. reticulatum, in soil quality with a more diverse community, greater {AMF} infection rates, and greater potential to perform decomposition and mineralize nutrients.}, keywords = {{A}groforestry ; {A}rbuscular mycorrhizal fungi ; {E}nzymes ; {F}ertility island ; {M}angifera sp. ; {M}icrobial ecology ; {M}icrobial biomass ; {P}iliostigma reticulatum ; {S}hrub-crop interactions ; {SENEGAL} ; {SAHEL}}, booktitle = {}, journal = {{A}griculture {E}cosystems and {E}nvironment}, volume = {204}, numero = {}, pages = {51--61}, ISSN = {0167-8809}, year = {2015}, DOI = {10.1016/j.agee.2015.02.009}, URL = {https://www.documentation.ird.fr/hor/fdi:010064184}, }