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Journal Article 2003-09

Autor: Shiwachi, H. Ayankanmi, T.G. Asiedu, Robert Onjo, M.

To induce sprouting two gibberellin inhibitors, uniconazole-P (UP) and prohexadione-calcium (PC), were applied to foliage of white Guinea yam (Dioscorea rotundata) and water yam (D. alata) 30 days before harvest or to tubers at harvest. The tuber sprouting period was shortened by about 35 days in...

Enlace original: https://cgspace.cgiar.org/handle/10568/96360

Investigación en Agricultura
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Shiwachi, H. ,  Ayankanmi, T.G. ,  Asiedu, Robert ,  Onjo, M. ,  [Influence of exogenous gibberellins inhibitors on tuber sprouting in yam] ,  Influence of exogenous gibberellins inhibitors on tuber sprouting in yam
Journal Article 2013

Autor: Wireko-Manu, F.D. Ellis, W. Oduro, I. Asiedu, Robert Maziya-Dixon, B.B.

This study investigated pasting and sensory characteristics of Dioscorea?alata, an underutilized yam species, to ascertain its suitability for amala (a pasty yam product) in comparison with D.?rotundata. Pasting was determined by Rapid Visco-Analyser and the amala was prepared from parboiled and ...

Enlace original: https://cgspace.cgiar.org/handle/10568/76428

Investigación en Agricultura
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Wireko-Manu, F.D. ,  Ellis, W. ,  Oduro, I. ,  Asiedu, Robert ,  Maziya-Dixon, B.B. ,  [Prediction of the suitability of water yam (Dioscorea alata) for amala product using pasting and sensory characteristics] ,  Prediction of the suitability of water yam (Dioscorea alata) for amala product using pasting and sensory characteristics
Journal Article 2013

Autor: Faustina, Dufie W.M. Oduro, I. Ellis, W. Asiedu, Robert Maziya-Dixon, B.B.

Yam is the third most important root and tuber crop in the tropics but few species are grown as health food and/or for medicinal purposes. To ascertain the potential health benefits and alternate usage of the species, 20 varieties of Dioscorea alata (water yam) were investigated for their total d...

Enlace original: https://cgspace.cgiar.org/handle/10568/76044

Investigación en Agricultura
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Faustina, Dufie W.M. ,  Oduro, I. ,  Ellis, W. ,  Asiedu, Robert ,  Maziya-Dixon, B.B. ,  [Potential health benefits of water yam (Dioscorea alata)] ,  Potential health benefits of water yam (Dioscorea alata)
Journal Article 2005

Autor: Kikuno, H. Oladimeji, Z. Ebuehi, A. Shiwachi, H. Onjo, M. Asiedu, Robert
Enlace original: https://cgspace.cgiar.org/handle/10568/103444

Investigación en Agricultura
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Kikuno, H. ,  Oladimeji, Z. ,  Ebuehi, A. ,  Shiwachi, H. ,  Onjo, M. ,  Asiedu, Robert ,  [Effect of n-propyl dihydrojasmonate (PDJ) on in vitro growth of yam (Dioscorea spp.) explants] ,  Effect of n-propyl dihydrojasmonate (PDJ) on in vitro growth of yam (Dioscorea spp.) explants
Journal Article 2002

Autor: Mignouna, H.D. Mank, R.A. Ellis, T.H.N. Bosch, N.V.D. Asiedu, Robert Abang, Mathew M. Peleman, J.

A genetic linkage map of the tetraploid water yam (Dioscorea alata L.) genome was constructed based on 469 co-dominantly scored amplified fragment length polymorphism (AFLP) markers segregating in an intraspecific F1 cross. The F1 was obtained by crossing two improved breeding lines, TDa 95/00328...

Enlace original: https://cgspace.cgiar.org/handle/10568/99948

Investigación en Agricultura
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Mignouna, H.D. ,  Mank, R.A. ,  Ellis, T.H.N. ,  Bosch, N.V.D. ,  Asiedu, Robert ,  Abang, Mathew M. ,  Peleman, J. ,  [A genetic linkage map of water yam (Dioscorea alata L.) based on AFLP markers and QTL analysis for anthracnose resistance] ,  A genetic linkage map of water yam (Dioscorea alata L.) based on AFLP markers and QTL analysis for anthracnose resistance
Journal Article 2016

Autor: Nwadili, C.O. Augusto, J. Bhattacharjee, R. Atehnkeng, J. López Montes, A. Onyeka, T.J. Kumar, P.L. Asiedu, Robert Bandyopadhyay, Ranajit

Anthracnose, caused by Colletotrichum gloeosporioides, is one of the major constraints limiting water yam (Dioscorea alata) production in the tropics. In this region, yam anthracnose control is mostly achieved by the deployment of moderately resistant yam genotypes. Therefore, screening for new s...

Enlace original: https://cgspace.cgiar.org/handle/10568/77732

Investigación en Agricultura
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Nwadili, C.O. ,  Augusto, J. ,  Bhattacharjee, R. ,  Atehnkeng, J. ,  López Montes, A. ,  Onyeka, T.J. ,  Kumar, P.L. ,  Asiedu, Robert ,  Bandyopadhyay, Ranajit ,  [Comparative reliability of screening parameters for anthracnose resistance in water yam (Dioscorea alata)] ,  Comparative reliability of screening parameters for anthracnose resistance in water yam (Dioscorea alata)
Conference Proceedings 2012-02

Autor: Sartie, A.M. Asiedu, Robert

Progress is being made at the International Institute of Tropical Agriculture to develop molecular tools for marker-assisted selection that would complement and expedite conventional breeding approaches for genetic improvement of yams (Dioscorea spp.). F mapping populations 1 were developed from ...

Enlace original: https://cgspace.cgiar.org/handle/10568/81303

Investigación en Agricultura
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Sartie, A.M. ,  Asiedu, Robert ,  [Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata)] ,  Development of mapping populations for genetic analysis in yams (D. rotundata and D. alata)
Conference Paper 2010

Autor: Ikeorgu, J.G. Egesi, Chiedozie N. Asiedu, Robert

The performance of 5 promising pre-release hybrid water yam (D. alata) varieties (TDa 98/01166; TDa 98/01176; TDa 98/01168; TDa 99/91169; and TDa 99/00240) evaluated for high and stable yields, pest and disease resistance and desirable food qualities, was determined in 2004 and 2005 in 6 location...

Enlace original: https://cgspace.cgiar.org/handle/10568/90578

Investigación en Agricultura
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Ikeorgu, J.G. ,  Egesi, Chiedozie N. ,  Asiedu, Robert ,  [Evaluation of the performance of five hybrid water yam clones in the yam belt of Nigeria] ,  Evaluation of the performance of five hybrid water yam clones in the yam belt of Nigeria
Journal Article 2002

Autor: Shiwachi, H. Ayankanmi, T.G. Asiedu, Robert

Sixty-day-old plants of white Guinea yam (Dioscorea rotundata), water yam (D. alata) and yellow Guinea yam (D. cayenensis) were exposed to 10 h day lengths (short days) for 15 and 30 days. Short-day treatment applied at the early growth stage of yams promoted the enlargment of tubers, but the res...

Enlace original: https://cgspace.cgiar.org/handle/10568/103630

Investigación en Agricultura
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Shiwachi, H. ,  Ayankanmi, T.G. ,  Asiedu, Robert ,  [Effect of day length on the development of tubers in yams (Dioscorea spp.)] ,  Effect of day length on the development of tubers in yams (Dioscorea spp.)
Journal Article 2004-04

Autor: Odu, B.O. Hughes, J.D.A. Asiedu, Robert Ng, N.Q. Shoyinka, S.A. Oladiran, O.A.

The responses of 24 white yam (Dioscorea rotundata) cultivars to mechanical and vector transmission with each of three viruses infecting yams were assessed through enzyme-linked immunosorbent assay (ELISA) and symptom development. The viruses were Dioscorea alata virus (DAV), genus Potyvirus; Dio...

Enlace original: https://cgspace.cgiar.org/handle/10568/96405

Investigación en Agricultura
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Odu, B.O. ,  Hughes, J.D.A. ,  Asiedu, Robert ,  Ng, N.Q. ,  Shoyinka, S.A. ,  Oladiran, O.A. ,  [Responses of white yam (Dioscorea rotundata) cultivars to inoculation with three viruses] ,  Responses of white yam (Dioscorea rotundata) cultivars to inoculation with three viruses

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