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Tarawali, G.Ayoola, J.B.Ezedinma, C.Okechukwu, R.Lum, A.F.Dixon, A.Akoroda, M.O.Ogbe, F.Lemchi, J.Sanni, L.O.Ilona, P.Okoro. E.[Community analysis of Asa North, Abia State, Nigeria]Community analysis of Asa North, Abia State, Nigeria

Four hybrid water yam (Dioscorea alata) genotypes (TDa 00/00194, TDa 00/00103, TDa 00/00104, TDa 00/00363) with two superior landraces (TDa 92-2 and UM 680) were evaluated for high and stable yields, pest and disease resistance, and acceptable food and market qualities in 2006 using ...

Quatre hybrides génotypes d’igname, l’eau yam (Dioscorea alata) (TDa 00/00194, TDa 00/00103, TDa 00/00104, TDa 00/00363 avec deux variétés supérieurs de races- une variété qui tolère l’effort biotique et abiotique ayant pour le résultat la stabilité élevée de rendement (TDa 92-2 et U...


Ikeorgu, J.G.Oselebe, H.Oluwatayo, J.Ugwuoke, K.Ukpabi, U.J.Asiedu, Robert[Farmer participatory evaluation of four hybrid water yam clones in the yam belt of Nigeria]Farmer participatory evaluation of four hybrid water yam clones in the yam belt of Nigeria

For the purpose of constructing yam cDNA libraries, attempts to isolate high quality RNA using several previously reported protocols were unsuccessful. Therefore a protocol was standardized for yam total RNA isolation by using guanidium buffer at the Department of Biology, Virginia Sate Universit...


Narina, S.S.Mohammed, I.Asiedu, RobertMignouna, H.D.[A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction]A standardized RNA isolation protocol for yam (Dioscorea alata L) cDNA library construction

Development of core collection representing the diversity in the entire germplasm creates a better access and enhanced utilization of the main collection thus allowing rapid evaluation in crop improvement programs. Core collections are dynamic in nature and needs revisiting when additional germpl...


Girma Tessema, G.Bhattacharjee, R.López Montes, A.Gueye, B.Ofodile, S.Franco, J.Abberton, M.T.[Re-defining the yam (Dioscorea spp.) core collection using morphological traits]Re-defining the yam (Dioscorea spp.) core collection using morphological traits

Ntawuruhunga, PheneasAndrade, M.I.Demo, P.Moyo, C.C.[Brief on achievements of the 'Improving the rural livelihoods in Southern Africa project: 2004 to 2010.]Brief on achievements of the 'Improving the rural livelihoods in Southern Africa project: 2004 to 2010.

Abele, S.Koper, E.International Institute of Tropical AgricultureAsiedu, RobertBramel-Cox, P.J.Chikoye, D.López, K.[R4D Review 2]R4D Review 2

Yam leaves were collected during surveys of major yam producing agro-ecological zones (AEZs) in Ghana (n = 628) and Togo (n = 218) respectively, in 2005. Leaf tissues were tested for Cucumber mosaic virus (CMV), Dioscorea mottle virus (DMoV), Yam mild mosaic virus (YMMV), Yam mosaic virus (YMV) a...


Eni, A.O.Hughes, Jacqueline d'ArrosAsiedu, RobertRey, M.E.C.[Survey of the incidence and distribution of viruses infecting yam (Dioscorea spp.) in Ghana and Togo]Survey of the incidence and distribution of viruses infecting yam (Dioscorea spp.) in Ghana and Togo

The project Poverty Alleviation and Enhanced Food Availability in West Africa through Improved Yam Technologies proposed to improve yam production in five West African countries (Nigeria, Bénin, Togo, Ghana, Côte d’Ivoire) during the period from 2000 to 2003. A recognized need for productive, sta...


Carsky, R.J.Asiedu, RobertCornet, D.[Review of soil fertility management for yambased systems in West Africa]Review of soil fertility management for yambased systems in West Africa

In variety development, sensory evaluation is not only the most important hurdle after all the necessary agronomic characteristics have been developed but also a major determinant of acceptability of the variety, as well as a major determinant in the subsequent adoption and use of the variety. Ei...


Otoo, E.Asiedu, Robert[Sensory evaluation: the last hurdle in varietal development of yams (Dioscorea rotundata, poir) in Ghana]Sensory evaluation: the last hurdle in varietal development of yams (Dioscorea rotundata, poir) in Ghana

Interview with Perpetua Iyere-Usiahon, FMARD, Nigeria. YIIFSWA-II showcases High Ratio Propagation Technologies and demonstrates large scale production of early generation seed yam


International Institute of Tropical Agriculture[YIIFSWA II OPENDAY - Interview with Perpetua Iyere-Usiahon]YIIFSWA II OPENDAY - Interview with Perpetua Iyere-Usiahon

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