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Seventeen isolates of the free-living soil fungus Trichoderma spp., collected from Meloidogyne spp. infested vegetable fields and infected roots in Benin, were screened for their rhizosphere competence and antagonistic potential against root-knot nematodes, Meloidogyne incognita, in greenhouse po...


Affokpon, A.Coyne, D.L.Htay, C.C.Agbèdè, R.D.Lawouin, L.Coosemans, J.[Biocontrol potential of native Trichoderma isolates against rootknot nematodes in West African vegetable production systems]Biocontrol potential of native Trichoderma isolates against rootknot nematodes in West African vegetable production systems

Tuber yields of yam (Dioscorea spp.), a main staple food in West Africa, are steadily declining per unit area, an incidence for which decreasing soil fertility due to increasing land pressure is largely blamed. Recent studies demonstrated the association of a plethora of arbuscular mycorrhizal fu...


Tchabi, A.Coyne, D.L.Hountondji, F.C.C.Lawouin, L.Wiemken, A.Oehl, F.[Efficacy of indigenous arbuscular mycorrhizal fungi for promoting white yam (Dioscorea rotundata) growth in West Africa]Efficacy of indigenous arbuscular mycorrhizal fungi for promoting white yam (Dioscorea rotundata) growth in West Africa

A new arbuscular mycorrhizal fungus was isolated from the Southern Guinea savanna in Benin, which represents a tree-rich savanna in the transi-tion between the tropical atlantic rainforests and grass-rich savannas in sub-Saharan West Africa. The fungus was propagated in bait cultures and monospor...


Oehl, F.Tchabi, A.Silva, G.A.Sánchez Castro, I.Palenzuela, J.Monte Junior, I.P. doLawouin, L.Coyne, D.L.Hountondji, F.C.C.[Acaulospora spinosissima, a new arbuscular mycorrhizal fungus from the Southern Guinea Savanna in Benin]Acaulospora spinosissima, a new arbuscular mycorrhizal fungus from the Southern Guinea Savanna in Benin

Naturally occurring fungal antagonists of root-knot nematodes (Meloidogyne spp., RKNs) were collected from 88 root and corresponding rhizosphere soil samples from 50 intensively cultivated fields used for peri-urban vegetable production in Benin, West Africa. Five species of Trichoderma viz.: T. ...


Affokpon, A.Coyne, D.L.Proft, M. deCoosemans, J.[In vitro growth characterization and biocontrol potential of naturally occurring nematophagous fungi recovered from rootknot nematode infested vegetable fields in Benin]In vitro growth characterization and biocontrol potential of naturally occurring nematophagous fungi recovered from rootknot nematode infested vegetable fields in Benin

Striga hermonthica is a serious parasite of cereals in most of the semi-arid savanna zone of West Africa, causing substantial yield loss. It has been observed that some soybean cultivars are capable of stimulating germination of S. hermonthica seed, which would reduce the seed bank in the soil. T...


Pontes, J.S.Oehl, F.Marinho, F.Coyne, D.L.Silva, D.K.A. daYano-Melo, A.M.Maia, L.C.[Diversity of arbuscular mycorrhizal fungi in Brazil’s Caatinga and experimental agroecosystems]Diversity of arbuscular mycorrhizal fungi in Brazil’s Caatinga and experimental agroecosystems

Twenty strains of arbuscular mycorrhizal fungi (AMF), native to West Africa, and three commercial AMF, were evaluated for their protective effect against root-knot nematodes, Meloidogyne spp., in pots and field experiments in Benin. In pots, these strains were assessed in sterilized soil followin...


Affokpon, A.Coyne, D.L.Lawouin, L.Tossou, C.Agbede, R.D.Coosemans, J.[Effectiveness of native West African arbuscular mycorrhizal fungi in protecting vegetable crops against root-knot nematodes]Effectiveness of native West African arbuscular mycorrhizal fungi in protecting vegetable crops against root-knot nematodes

The rapid decline of soil fertility of cultivated lands in the sub-Saharan savannas of West Africa is considered to be the main cause of the increasingly severeconstraints of food production. The soils in this tropical area are highly fragile, and crop yields are limited bycharacteristically low ...


Tchabi, A.Coyne, D.L.Hountondji, F.C.C.Lawouin, L.Wiemken, A.Oehl, F.[Arbuscular mycorrhizal fungal communities in subSaharan Savannahs of Benin, West Africa, as affected by agricultural land use intensity and ecological zone]Arbuscular mycorrhizal fungal communities in subSaharan Savannahs of Benin, West Africa, as affected by agricultural land use intensity and ecological zone

Yam (Dioscoreaspp.) is a tuberous staple foodcrop of major importance in the sub-Saharan savannas ofWest Africa. Optimal yields commonly are obtained only inthe first year following slash-and-burn in the shifting cul-tivation systems. It appears that the yield decline in sub-sequent years is not ...


Tchabi, A.Burger, S.Coyne, D.L.Hountondji, F.C.C.Lawouin, L.Wiemken, A.Oehl, F.[Promiscuous arbuscular mycorrhizal symbiosis of yam (Dioscorea spp.), a key staple crop in West Africa]Promiscuous arbuscular mycorrhizal symbiosis of yam (Dioscorea spp.), a key staple crop in West Africa

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