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Okechukwu, R.U.Ntawuruhunga, PheneasDziedzoave, N.T.Manu-Aduening, J.A.International Society For Tropical Root CropsAdu-Kwarteng, E.Darko, M. N.[Competitiveness of Root Crops for Accelerating Africa’s Economic Growth, 12th Triennial Symposium of International Society for Tropical Root Crops Africa Branch (ISTRCAB), Accra, Ghana, 30 September- 5 October 2013]Competitiveness of Root Crops for Accelerating Africa’s Economic Growth, 12th Triennial Symposium of International Society for Tropical Root Crops Africa Branch (ISTRCAB), Accra, Ghana, 30 September- 5 October 2013

The yam bean (Pachyrizhus spp) was recently introduced as a root crop with high-yield potential, considerable protein and micro-nutrient concentration to investigate its potential for food production in Rwanda. Except for Chuin types (Pachyrizhus tuberosus) which have high storage root dry matter...


Ndirigwe, J.Rubaihayo, P.R.Tukamuhabwa, PhinehasAgaba, R.Rukundo, P.Mwanga, R.O.M.Tumwegamire, SilverKamarirwa, V.Kayinamura, E.Wolfgang, J.G.[Evaluation of performance of introduced yam bean (Pachyrhizus spp.) in three agro-ecological zones of Rwanda]Evaluation of performance of introduced yam bean (Pachyrhizus spp.) in three agro-ecological zones of Rwanda

Distinguishing yam species based on morphological traits is extremely difficult and unreliable, posing a challenge to breeders and genebank curators. Development of a molecular assay based on DNA barcoding can facilitate rapid and accurate identification of important Dioscorea species. To develop...


Girma, G.Spillane, CharlesGedil, M.[DNA barcoding of the main cultivated yams and selected wild species in the genus Dioscorea]DNA barcoding of the main cultivated yams and selected wild species in the genus Dioscorea

Identification and quantification of carotenoids from yam and cocoyam were evaluated after different processing methods. Seven carotenoids were identified by HPLC-DAD both in the raw and processed tubers. The mean carotenoids in yam, D. cayenensis was α-carotene (0.78 μg/g), 9-cis-β-carotene (0.7...


Ukom, A.N.Ojimelukwe, P.C.Alamu, E.O.[Methods of processing of some under-utilized yam and cocoyam tuber varieties: effect on carotenoid content]Methods of processing of some under-utilized yam and cocoyam tuber varieties: effect on carotenoid content

The efficacy of four biological control agents (BCAs): Trichoderma asperellum strain NGT158, T. longibrachiatum strain NGT167, Bacillus subtilis and Pseudomonas fluorescens for the management of post-harvest tuber rot among four yam species, Dioscorea rotundata, D. cayenensis, D. alata, and D. du...


Dania, V.O.Fadina, O.O.Ayodele, M.Kumar, P.L.[Evaluation of isolates of Trichoderma, pseudomonas and bacillus species as treatment for the control of post-harvest fungal rot disease of yam (Dioscorea spp.)]Evaluation of isolates of Trichoderma, pseudomonas and bacillus species as treatment for the control of post-harvest fungal rot disease of yam (Dioscorea spp.)

The overall goal of the five year project “Yam Improvement for Income and Food Security in West Africa” (YIIFSWA) funded by the Bill and Melinda Gates Foundation and led by the International Institute of Tropical Agriculture, Ibadan, Nigeria was to: (a) increase yam productivity by 40% for 2,00,0...


Maroya, N.Asiedu, RobertMignouna, Djana B.López Montes, A.Kleih, U.K.Phillips, D.Ndiame, F.Ikeorgu, J.Otoo, E.[Yam improvement for income and food security in west Africa: effectiveness of a multidisciplinary and multiinstitutional teamwork]Yam improvement for income and food security in west Africa: effectiveness of a multidisciplinary and multiinstitutional teamwork

The presence of viruses in yam leaves and the presence of weeds in close proximity to yam fields have been shown to be associated with diminished tuber yield. But the precise role of weeds as alternative hosts of viruses infecting yam has not been systematically studied. Therefore, leaf samples o...


Asala, S.Alegbejo, M.D.Kashina, B.D.Banwo, O.O.Shinngu, C.P.[Viruses in weeds in Dioscorea yam fields in Nigeria]Viruses in weeds in Dioscorea yam fields in Nigeria

Yam mosaic virus (YMV; genus Potyvirus ) is considered to cause the most economically important viral disease of yams ( Dioscorea spp.) in West Africa which is the dominant region for yam production globally. Yams are a vegetatively propagated crop and the use of virus-free planting material form...


Silva, G.Bömer, M.Nkere, C.Kumar, P.L.Seal, S.E.[Rapid and specific detection of Yam mosaic virus by reverse-transcription recombinase polymerase amplification]Rapid and specific detection of Yam mosaic virus by reverse-transcription recombinase polymerase amplification

Yam ( Dioscorea spp.) is a major staple crop widely cultivated for its starchy tubers. To date, very few marker resources are publicly avail - able as tools for genetic and genomic studies of this economically important crop. In this study, 90 simple sequence repeat (SSR) markers were devel...


Tamiru, M.Yamanaka, S.Mitsuoka, C.Babil, P.Takagi, H.López Montes, A.Sartie, A.M.Asiedu, RobertTerauchi, R.[Development of genomic simple sequence repeat markers for yam]Development of genomic simple sequence repeat markers for yam

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