@article{fdi:010071041, title = {{D}iversity of nematophagous fungi in {M}oroccan olive nurseries : highlighting prey-predator interactions and efficient strains against root-knot nematodes}, author = {{H}amza, {M}. {A}. and {L}akhtar, {H}. and {T}azi, {H}. and {M}oukhli, {A}. and {F}ossati-{G}aschignard, {O}. and {M}iche, {L}. and {R}oussos, {S}evastianos and {F}erji, {Z}. and {E}l {M}ousadik, {A}. and {M}ateille, {T}hierry and {B}oubaker, {H}.}, editor = {}, language = {{ENG}}, abstract = {{P}lant-parasitic nematodes are major pests in agriculture. {M}icrobial antagonists such as nematophagous fungi are of great interest for developing alternative biocontrol strategies to replace nematicide use. {T}his study aims to isolate, identify and assess the diversity and the in vitro predatory activity of nematophagous fungi from various olive nurseries in {M}orocco. {A} total of 305 soil samples were collected in 25 nurseries in {M}oroccan olive-producing areas ({J}bala, {G}uerouane, {H}aouz and {S}ouss). {S}eventy-three pure fungal strains from nematophagous fungi were recovered from nursery substrates infested with root-knot nematodes. {D}iversity indices showed that fungi were more numerous in southern regions, whereas fungal communities were more numerically alike in northern regions, partly depending on the occurrence of root-knot nematodes. {O}ne fungal strain, {T}alaromyces assiutensis, killed all {M}eloidogyne javanica juveniles during in vitro predation tests. {O}rbiliaceae ({A}rthrobotrys spp., {D}rechslerella brochopaga, {M}onacrosporium spp.) trapped 50 to 80% of juveniles. {P}urpureocillium and {T}richoderma species killed 30 to 50% of juveniles. {T}he diversity of nematophagous communities could be affected by the north-south climate gradient of {M}orocco, by their nematode prey expansion, and, to a lesser extent, by the habitat origin of the substrates used. {T}alaromyces assiutensis was the most efficient nematophagous species against {M}. javanica. {T}he use of native nematophagous fungi is a promising alternative strategy for nematode control in olive nurseries and to prevent nematode introduction into olive orchards.}, keywords = {{C}ulture substrate ; {E}cology ; {F}ungal antagonists ; {O}live tree ; {R}oot-knot ; nematode ; {MAROC}}, booktitle = {}, journal = {{B}iological {C}ontrol}, volume = {114}, numero = {}, pages = {14--23}, ISSN = {1049-9644}, year = {2017}, DOI = {10.1016/j.biocontrol.2017.07.011}, URL = {https://www.documentation.ird.fr/hor/fdi:010071041}, }