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Kikuno, H.Matsumoto, R.Shiwachi, H.Asiedu, Robert[Effect of sucrose treatment on root, shoot and tuber formation of vine cuttings of yams (Dioscorea spp.)]Effect of sucrose treatment on root, shoot and tuber formation of vine cuttings of yams (Dioscorea spp.)
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.)

The presence of fungi, aflatoxins and fumonisin B1 in cassava and yam chips (during 28 processing and storage) were evaluated during two consecutive seasons in two agroecological zones of Benin (Northern Guinea Savannah, NGS and Sudan Savannah, SS). The Benin samples were assessed for moisture co...


Gnonlonfin, G.J.B.Hell, K.Fandohan, P.Siame, A.B.[Mycoflora and natural occurrence of aflatoxins and fumonisin B1 in cassava and yam chips from Benin, West Africa]Mycoflora and natural occurrence of aflatoxins and fumonisin B1 in cassava and yam chips from Benin, West Africa

Cassava, yam, and plantain are staple food crops essential to food security in the humid and Sub-humid tropics of Africa. However, these crops have long growth cycles, high perishability and slow multiplication rates of propagation materials, and they are subject to a number of biological stresse...


Asiedu, RobertNg, S.Vuylsteke, D.R.Terauchi, R.Hahn, S.[Analysis of the need for biotechnology research on cassava, yam, and plantain]Analysis of the need for biotechnology research on cassava, yam, and plantain

The relative changes in the composition of six cultivars of white yam (Dioscorea rotundata Poir) were investigated in three major yam ecozones in southeastern Nigeria. The component parameters measured were crude protein, starch and total soluble sugar of the six cultivars at maturity. Each of th...


Asadu, C.Akammigbo, F.Ezumah, H.Nweke, F.[Relative changes in the nutrient composition of six cultivars of white yam grown in three ecozones of southeastern Nigeria]Relative changes in the nutrient composition of six cultivars of white yam grown in three ecozones of southeastern Nigeria

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

Root colonization by arbuscular mycorrhiza (AM) enhances nutrient acquisition by plants and could benefit the production of yam (Dioscorea spp.). The variation in AM colonization in yam genotypes was evaluated in two experiments at four locations (Ibadan, Onne, Abuja and Ubiaja) in different agro...


Dare, M.O.Abaidoo, R.C.Fagbola, O.Asiedu, Robert[Genetic variation and genotype x environment interaction in yams (Dioscorea spp.) for root colonization by arbuscular mycorrhiza]Genetic variation and genotype x environment interaction in yams (Dioscorea spp.) for root colonization by arbuscular mycorrhiza

Use of genetic resistance is the most practical and economic way to manage major diseases of yams. In a search for sources of resistance, 40 water yam (Dioscorea alata L.) accessions from Benin, Ghana, Nigeria and Puerto Rico were screened under natural disease infection conditions in Ibadan, Nig...


Egesi, Chiedozie N.Odu, B.Ogunyemi, S.Asiedu, RobertHughes, J.[Evaluation of water yam (Dioscorea alata L.) germplasm for reaction to yam anthracnose and virus diseases and their effect on yield]Evaluation of water yam (Dioscorea alata L.) germplasm for reaction to yam anthracnose and virus diseases and their effect on yield

The effects of tropical weeds on the yield of while yam were studied outdoors in wooden boxes. When the foliage and roots of weeds were in physical contact with the crop until harvest (full interference), tuber yield of yam was reduced by 76–79% of that obtained under weed‐free conditions over 3 ...


Unamma, R.P.Akobundu, I.[Effects of tropical weeds on yield in white yam (Dioscorea rotundata Poir)]Effects of tropical weeds on yield in white yam (Dioscorea rotundata Poir)

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