@article{fdi:010044311, title = {{S}patial distribution of the nematode biocontrol agent {P}asteuria penetrans as influenced by its soil habitat}, author = {{M}ateille, {T}hierry and {F}ould, {S}. and {D}abire, {K}. {R}. and {D}iop, {M}. {T}. and {N}diaye, {S}.}, editor = {}, language = {{ENG}}, abstract = {{R}oot-knot nematodes belonging to the {M}eloidogyne genus are ubiquitous plant-parasitic pests, especially on vegetables. {T}he {P}asteuria penetrans bacterium is an obligate parasite of nematodes, parasitizing most of the {M}eloidogyne species. {S}patial distributions of {M}eloidogyne javanica populations infested or not by {R} penetrans and of bacterial populations were studied in a vegetable plot naturally infested by these organisms. {I}t was observed that distributions of {M}. javanica populations, of populations infested by {P}. penetrans, and of free bacteria {P}opulations were not overlapped. {S}oil factors involved were investigated. {S}oil texture and water flow in porosity are concerned, as they directly influence the level of the pool of bacteria and then the chances of both organisms to meet. {T}he soil solution has a direct effect on the attachment of the bacterium on the nematode cuticle.}, keywords = {{B}iocontrol ; {M}eloidogyne javanica ; {P}lant-parasitic nematodes ; {P}asteuria ; penetrans ; {P}orosity ; {S}oil solution ; {T}exture}, booktitle = {}, journal = {{S}oil {B}iology and {B}iochemistry}, volume = {41}, numero = {2}, pages = {303--308}, ISSN = {0038-0717}, year = {2009}, DOI = {10.1016/j.soilbio.2008.11.006}, URL = {https://www.documentation.ird.fr/hor/fdi:010044311}, }