@article{fdi:010040967, title = {{R}elationships between {B}urkholderia populations and plant parasitic nematodes in sugarcane}, author = {{O}marjee, {J}. and {B}alandreau, {J}. and {S}paull, {V}. {W}. and {C}adet, {P}atrice}, editor = {}, language = {{ENG}}, abstract = {{I}t is suggested that the bacterium {B}urkholderia tropica might be used to reduce nematode damage in sugarcane by promoting certain nematode species to create a less pathogenic nematode community. {T}his suggestion arises from an investigation of the plant parasitic nematodes and their relationship with {B}urkholderia species along a sugarcane row. {D}uring the course of this analysis sugarcane root and soil samples were taken atintervals (15,45,55, 75, 80, 85, 120, 150, 185, 190, 195 in) along a 200 in cane row across a cane field for nematode and bacterial analyses at various times after planting. {S}oil physical and chemical characteristics were similar at all sampling points. {T}he numbers of culturable bacteria and {B}urkholderia were significantly greater during the early part of the crop cycle when plants were younger. {T}he diversity of the {B}urkholderia communities was characterized by groups using {A}mplified {R}ibosomal 16{S} r{DNA} {R}estriction {A}nalysis. {S}ix groups were present. {B}urkholderia species in each group were identified using 16{S} r{DNA} sequencing. {I}t was observed that {B}. ambifaria and {B}. cenocepacia, were dominant at all sampling dates, although less so as the crop aged. {T}he common nematode species were {P}ratylenchus zeae, {P}aratrichodorous minor, {X}iphinema elongatum and {H}elicotylenchus dihystera. {A} spatial association of nematodes and {B}urkholderia species along the cane row was identified using {P}rinciple {C}omponent {A}nalysis ({ADE}-4 software). {T}he more pathogenic {X}. elongatum, was associated with {B}. graminis, {B}. silvatiantica, {B}. gladioli, {B}.fungorum and was dominant at the beginning of the cane row where planting started. {I}n contrast the less pathogenic species {H}. dihystera and {P}. zeae, were associated with {B}. tropica and were more common towards the end of the cane row where planting ended. {C}oinertia analysis revealed that {B}. tropica was positively correlated with {H}. dihystera and {P}. zeae, but negatively correlated with {X}. elongatum.}, keywords = {}, booktitle = {}, journal = {{A}pplied {S}oil {E}cology}, volume = {39}, numero = {1}, pages = {1--14}, ISSN = {0929-1393}, year = {2008}, DOI = {10.1016/j.apsoil.2007.11.001}, URL = {https://www.documentation.ird.fr/hor/fdi:010040967}, }