@article{fdi:010040834, title = {{B}iological control of {S}triga hermonthica by {C}ubitermes termite mound powder amendment in sorghum culture}, author = {{A}ndrianjaka, {Z}o and {B}ally, {R}. and {L}epage, {M}ichel and {T}hioulouse, {J}. and {C}omte, {G}. and {K}isa, {M}arija and {D}uponnois, {R}obin}, editor = {}, language = {{ENG}}, abstract = {{S}triga hermonthica ({D}el.) {B}enth is an obligate root hemi-parasite of several cereals. {I}ts effect on cereal crops is the main constraint for food production in sub-{S}aharan {A}frica. {V}arious control methods have been already proposed, but the infestation by these parasitic plants persists. {A}n appropriated method for {S}triga management adapted for the {A}frican farmer is very much needed. {I}n this study, amendment of soil infested by this phytoparasite with {C}ubitermes mound powder is proposed as chemical amendment and natural microbial inoculum, to promote plant growth and reduce damage by {S}. hermonthica on sorghum ({S}orghum bicolor {L}.). {T}he influence of {C}ubitermes mound powder on the development of several microbial groups (arbuscular mycorrhizal fungi, actinomycetes, saprophytic fungi) was investigated in a pot experiment with sorghum cultured in a sandy soil infested by {S}. hermonthica. {I}n the amended soil, sorghum growth and mycorrhizal colonization of sorghum plants were significantly greater than in the control treatment. {M}ycorrhizal colonization was negatively correlated with the number of emerged {S}triga plants per pot and positively correlated with sorghum growth. {T}he relationship with substrate-induced respiration ({SIR}) responses showed that amended soil was characterized by its response to hydroxybutyric acid (catabolic marker of mycorrhizal colonization) and non-amended soil by its response to phenylalanine. {W}e noted that the number of emerged {S}triga plants in amended pots was significantly decreased. {S}ince {C}ubitermes mound suspensions did not affect {S}triga seed germination under axenic conditions, it suggests that the amendment with {C}ubitermes powder reduces {S}. hermonthica infestation indirectly, i.e. via its effect on the indigenous soil microflora. {O}verall, it appears that management of {C}ubitermes mounds is a promising strategy to consider for effective protection of sorghum from {S}triga infestation.}, keywords = {termite ; {A}rbuscular mycorrhiza ; {S}triga sorghum ; plant protection}, booktitle = {}, journal = {{A}pplied {S}oil {E}cology}, volume = {37}, numero = {3}, pages = {175--183}, ISSN = {0929-1393}, year = {2007}, DOI = {0.1016/j.apsoil.2007.03.001}, URL = {https://www.documentation.ird.fr/hor/fdi:010040834}, }