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Yams (Dioscorea spp.) are food crops of growing significance in sub Saharan Africa. Unfortunately, nematodes are major pests to their production. A study was undertaken in major yam growing areas of Uganda to investigate the association of plant parasitic nematodes with damage symptoms. Nemato...

Les ignames (Dioscorea spp.) sont une culture alimentaire d’importance croissante en Afrique sub–saharienne.Malheureusement, les nématodes sont des parasites majeurs qui gênent sa production. Une étude était menéedans les principales régions productrices de l’igname en Ouganda en vue de pouvoir ...


Mudiope, J.Speder, P.R.Coyne, D.L.Maslen, R.N.Adipala, E.[Nematode distribution and damage to yam in Central and Eastern Uganda]Nematode distribution and damage to yam in Central and Eastern Uganda
Dansi, A.Zoundjihékpon, J.Mignouna, H.Quin, F.[Collecte des ignames cultivees du complexe Dioscorea cayenensisrotundata au Benin]Collecte des ignames cultivees du complexe Dioscorea cayenensisrotundata au Benin
Kikuno, H.Matsumoto, R.Shiwachi, H.Toyohara, H.Asiedu, Robert[Comparative effects of explants sources and age of plant on rooting, shooting and tuber formation of vine cuttings of yams (Dioscorea spp.)]Comparative effects of explants sources and age of plant on rooting, shooting and tuber formation of vine cuttings of yams (Dioscorea spp.)

Yam (Dioscorea spp.) is a tuber crop grown for food security, income generation, and traditional medicine. This crop has a high cultural value for some of the groups growing it. Most of the production comes from West Africa where the increased demand has been covered by enlarging cultivated surfa...


Frossard, EmmanuelAighewi, B.A.Aké, S.Barjolle, D.Baumann, P.Bernet, T.Daouda, D.Diby, L.Floquet, A.Hgaza, V.K.Ilboudo, L.J.Kiba, Delwendé I.Mongbo, R.L.Nacro, H.B.Nicolay, G.L.Oka, E.Ouattara, F.Y.Pouya, N.Six, JohanTraoré, I.O.[The challenge of improving soil fertility in yam cropping systems of West Africa]The challenge of improving soil fertility in yam cropping systems of West Africa

Termites are known to cause significant economic losses in yam fields. Therefore, assessing diversity and abundance of termites in yam fields is critical for their control. In this study, we compared the specific richness, abundance, and diversity of functional groups of termite pests in upland a...


Loko, Y.L.E.Orobiyi, A.Toffa, J.Agre, P.Tamo, M.Roisin, Y.[Termites (Blattodea: Termitidae) diversity and assemblages in different yam fields habitats in central Benin]Termites (Blattodea: Termitidae) diversity and assemblages in different yam fields habitats in central Benin

Maroya, N.Balogun, M.Aighewi, B.A.Lasisi, J.Asiedu, Robert[Manual for clean foundation seed yam production using aeroponics system]Manual for clean foundation seed yam production using aeroponics system

Isolates of Colletotrichum gloeosporioides obtained from yam-based cropping systems in Nigeria, previously characterized on the basis of morphology, virulence and rDNA internal transcribed spacer (ITS) sequence variation were further compared for vegetative compatibility (VC). Chlorate-resistant ...


Abang, Mathew M.Hoffmann, P.Winter, S.Green, K.R.Wolf, G.A.[Vegetative compatibility among isolates of Colletotrichum gloeosporioides from yam (Dioscorea spp.) in Nigeria]Vegetative compatibility among isolates of Colletotrichum gloeosporioides from yam (Dioscorea spp.) in Nigeria

Single node cuttings of two genotypes each of Dioscorea alata and D. rotundata from both plants grown in screen houses and in vitro plantlets were cultured in a tuberization medium. The screen house explants had significantly higher plantlet tuberization and primary nodal complex formation, and m...


Balogun, M.O.Ng, S.Y.Shiwachi, H.Ng, N.Q.Fawole, I.[Comparative effects of explant source and genotype on in vitro tuberization in Dioscorea alata and D. rotundata]Comparative effects of explant source and genotype on in vitro tuberization in Dioscorea alata and D. rotundata

A reliable means to induce sprouting in dormant seed tubers of yams (Dioscorea species) is required to enhance flexibility in planting date and rate of propagation of the crop. Experiments were conducted to assess the potential of two gibberellin inhibitors, Uniconazole-P and Prohexadione-calcium...


Shiwachi, H.Ayankanmi, T.G.Asiedu, RobertOnjo, M.[Induction of sprouting in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins]Induction of sprouting in dormant yam (Dioscorea spp.) tubers with inhibitors of gibberellins

The effects of boiling on the microstructure of yams and their association with the textural quality of “boiled yam,” arguably the most common food product from yams, were studied using six varieties with variable cooking qualities from each of the two species, Dioscorea alata L. and D. rotundata...


Otegbayo, B.Aina, J.Asiedu, RobertBokanga, M.[Microstructure of boiled yam (Dioscorea spp.) and its implication for assessment of textural quality]Microstructure of boiled yam (Dioscorea spp.) and its implication for assessment of textural quality

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