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Tamiru, M.Natsume, S.Takagi, H.White, B.Yaegashi, H.Shimizu, M.Yoshida, K.Uemura, A.Oikawa, K.Abe, A.Urasaki, N.Matsumura, HBabil, P.Yamanaka, S.Matsumoto, R.Muranaka, S.Girma, G.López Montes, A.Gedil, M.Bhattacharjee, R.Abberton, M.T.Kumar, P.L.Rabbi, Ismail Y.Tsujimura, M.Terachi, T.Haerty, W.Corpas, M.Kamoun, S.Kahl, G.Takagi, H.Asiedu, RobertTerauchi, R.[Genome sequencing of the staple food crop white Guinea yam enables the development of a molecular marker for sex determination]Genome sequencing of the staple food crop white Guinea yam enables the development of a molecular marker for sex determination

Background: Anthracnose (Colletotrichum gloeosporioides) is a major limiting factor in the production of yam (Dioscorea spp.) worldwide. Availability of high quality sequence information is necessary for designing molecular markers associated with resistance. However, very limited sequence inform...


Narina, S.S.Buyyarapu, R.Kottapalli, K.R.Sartie, A.M.Ali, M.I.Asiedu, RobertHodeba, M.Sayre, B.L.Scheffler, B.E.[Generation and analysis of expressed sequence tags (ESTs) for marker development in yam (Dioscorea alata L.)]Generation and analysis of expressed sequence tags (ESTs) for marker development in yam (Dioscorea alata L.)

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

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

White Guinea yam ( Dioscorea rotundata Poir.) is an important staple to millions of people in West Africa. Obtaining good quality planting material for yam cultivation is a major challenge. Multiplication ratios are low, and seed tubers are prone to contamination with pests and pathogens in the t...


Aighewi, B.A.Asiedu, RobertMaroya, N.Balogun, M.[Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)]Improved propagation methods to raise the productivity of yam (Dioscorea rotundata Poir.)

A working collection of yam (Dioscoreaspp.) comprising 53 landraces and seven improved cultivars of four species (D. alata L., D. cayenensis Lam., D. dumetorum (Kunth) and D. rotundata Poir.) was evaluated for phenotypic and genetic diversity. The evaluation involved field assessment of 24 morpho...


Sartie, A.M.Asiedu, RobertFranco, J.[Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.)]Genetic and phenotypic diversity in a germplasm working collection of cultivated tropical yams (Dioscorea spp.)

Mignouna, Djana B.Akinola, Adebayo A.Abdoulaye, TahirouAlene, A.Maroya, N.Aighewi, B.A.Wobill, T.Asiedu, Robert[Impact evaluation protocols for agricultural projects: the case of yam improvement for income and food security in West Africa]Impact evaluation protocols for agricultural projects: the case of yam improvement for income and food security in West Africa

Colletotrichum gloeosporioides is the causal agent of yam anthracnose disease in Nigeria. Differential cultivars and amplified fragment length polymorphic DNA markers were used to assess the extent of genetic diversity among 39 isolates of the pathogen. Fourteen (14) pathotypes of the pathogen we...


Aduramigba-Modupe, A.O.Asiedu, RobertOdebode, C.A.Owolade, F.[Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers]Genetic diversity of Colletotrichum gloeosporioides in Nigeria using amplified fragment length polymorphismA (AFLP) markers

Water yam (Dioscorea alata) flour was processed using standard wet milling procedure prior to the extrusion process, which led to the determination of extrudate properties of the flours.A single-screw extruder (DCE 330, NJ) was used in evaluating the extrudate properties, which included torque, m...


Oke, M.O.Awonorin, S.Sanni, L.O.Asiedu, RobertAiyedun, P.O.[Effect of extrusion variables on extrudates properties of water yam flour a response surface analysis]Effect of extrusion variables on extrudates properties of water yam flour a response surface analysis

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