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Journal Article 2013-07

Autor: Ly, D. Hamblin, M. Rabbi, Ismail Y. Gedil, M. Bakare, M.A. Gauch Jr. H. Okechukwu, R.U. Dixon, A. Kulakow, P.A. Jannink, Jean-Luc

Before implementation of genomic selection, evaluation of the potential accuracy of prediction can be obtained by cross-validation. In this procedure, a population with both phenotypes and genotypes is split into training and validation sets. The prediction model is fitted using the training set,...

Enlace original: https://cgspace.cgiar.org/handle/10568/76637

Investigación en Agricultura
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Ly, D. ,  Hamblin, M. ,  Rabbi, Ismail Y. ,  Gedil, M. ,  Bakare, M.A. ,  Gauch Jr. H. ,  Okechukwu, R.U. ,  Dixon, A. ,  Kulakow, P.A. ,  Jannink, Jean-Luc ,  [Relatedness and genotype x environment interaction affect prediction accuracies in genomic selection: a study in cassava] ,  Relatedness and genotype x environment interaction affect prediction accuracies in genomic selection: a study in cassava
Book 1999

Autor: Nweke, F. Otim-Nape, W. Dixon, A. Asadu, C. Baguma, Yona K. Ajobo, O. Ugwu, B. Bua, A. Masembe-Kajubi, H.
Enlace original: https://cgspace.cgiar.org/handle/10568/95900

Investigación en Agricultura
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Nweke, F. ,  Otim-Nape, W. ,  Dixon, A. ,  Asadu, C. ,  Baguma, Yona K. ,  Ajobo, O. ,  Ugwu, B. ,  Bua, A. ,  Masembe-Kajubi, H. ,  [Production prospects for cassava in Uganda] ,  Production prospects for cassava in Uganda
Conference Paper 1994

Autor: Nweke, F. Dixon, A. Asiedu, Robert Folayan, S.A.

Manihot esculenta.This paper which is based on information collected as part of Collaborative Study of Cassava in Africa (COSCA) provides information on cassava genotypes cultivated in sub-Saharan Africa. It shows that there is a high degree of turnover in the cassava genotypes cultivated. Farmer...

Enlace original: https://cgspace.cgiar.org/handle/10568/100969

Investigación en Agricultura
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Nweke, F. ,  Dixon, A. ,  Asiedu, Robert ,  Folayan, S.A. ,  [Attributes of cassava varieties desired by farmers in subSaharan Africa] ,  Attributes of cassava varieties desired by farmers in subSaharan Africa
Conference Paper 1994

Autor: Dixon, A. Asiedu, Robert Hahn, S.K.

Stable as well as adaptable genotypes of high-yielding cassava cultivars, should be developed and made available to farmers, to ensure increases in cassava production in a target region or country in sub-Saharan Africa. As farmer-to-farmer contact is the primary means of diffusion of new crop var...

Enlace original: https://cgspace.cgiar.org/handle/10568/101005

Investigación en Agricultura
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Dixon, A. ,  Asiedu, Robert ,  Hahn, S.K. ,  [Genotypic stability and adaptability: analytical methods and implications for cassava breeding for low input agriculture] ,  Genotypic stability and adaptability: analytical methods and implications for cassava breeding for low input agriculture
Conference Paper 1994

Autor: Otoo, J. Dixon, A. Asiedu, Robert Okeke, J.E. Maroya, N. Tougnon, K. Okoli, O. Tetteh, J.P. Hahn, S.K.

Multilocational trials were conducted in several agroecological zones in West Africa to assess the magnitude of genotype x environment (G x E) interaction and to identify stable varieties which could be used in breeding programs in the region. The reaction of the varieties to major cassava diseas...

Enlace original: https://cgspace.cgiar.org/handle/10568/101027

Investigación en Agricultura
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Otoo, J. ,  Dixon, A. ,  Asiedu, Robert ,  Okeke, J.E. ,  Maroya, N. ,  Tougnon, K. ,  Okoli, O. ,  Tetteh, J.P. ,  Hahn, S.K. ,  [Genotype environment interaction studies with cassava] ,  Genotype environment interaction studies with cassava
Manual 2010

Autor: Dixon, A. Okechukwu, R.U. Akoroda, M.O. Ilona, P. Ogbe, F. Egesi, Chiedozie N. Kulakow, P.A. Ssemakula, G.N. Maziya-Dixon, B.B. Iluebbey, P. Yomeni, M.O. Geteloma, C. James, B. Eke-Okoro, O.N. Sanni, L.O. Ntawuruhunga, Pheneas Tarawali, G. Mahungu, N.M. Lemchi, J. Ezedinma, C. Okoro, E. Kanju, E. Adeniji, A.A. Nwosu, K.I.
Enlace original: https://cgspace.cgiar.org/handle/10568/90384

Investigación en Agricultura
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Dixon, A. ,  Okechukwu, R.U. ,  Akoroda, M.O. ,  Ilona, P. ,  Ogbe, F. ,  Egesi, Chiedozie N. ,  Kulakow, P.A. ,  Ssemakula, G.N. ,  Maziya-Dixon, B.B. ,  Iluebbey, P. ,  Yomeni, M.O. ,  Geteloma, C. ,  James, B. ,  Eke-Okoro, O.N. ,  Sanni, L.O. ,  Ntawuruhunga, Pheneas ,  Tarawali, G. ,  Mahungu, N.M. ,  Lemchi, J. ,  Ezedinma, C. ,  Okoro, E. ,  Kanju, E. ,  Adeniji, A.A. ,  Nwosu, K.I. ,  [Improved cassava variety handbook] ,  Improved cassava variety handbook
Journal Article 2005

Autor: Onyeka, T. Dixon, A. Ekpo, E.

Cassava root rot disease is an increasing problem in Africa where yield losses of about 80% have been recorded. We evaluated 290 African landraces and 306 improved genotypes from the germplasm collections of the International Institute of Tropical Agriculture (IITA), for sources of resistance usi...

Enlace original: https://cgspace.cgiar.org/handle/10568/91886

Investigación en Agricultura
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Onyeka, T. ,  Dixon, A. ,  Ekpo, E. ,  [Identification of levels of resistance to cassava root rot disease (Botryodiplodia theobromae) in African landraces and improved germplasm using In vitro inoculation method] ,  Identification of levels of resistance to cassava root rot disease (Botryodiplodia theobromae) in African landraces and improved germplasm using In vitro inoculation method
Journal Article 2007

Autor: Thakkar, S.K. Maziya-Dixon, B.B. Dixon, A. Failla, M.L.

Cassava, a staple food in sub-Saharan Africa, does not provide adequate amounts of pro-vitamin A (VA) carotenoids and has been targeted for biofortification (i.e. selectively breeding cultivars of increased nutrient density with agroeconomically acceptable characteristics). However, the accessibi...

Enlace original: https://cgspace.cgiar.org/handle/10568/91453

Investigación en Agricultura
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Thakkar, S.K. ,  Maziya-Dixon, B.B. ,  Dixon, A. ,  Failla, M.L. ,  [Betacarotene micellarization during in vitro digestion and uptake by caco2 cells is directly proportional to betacarotene content in different genotypes of cassava] ,  Betacarotene micellarization during in vitro digestion and uptake by caco2 cells is directly proportional to betacarotene content in different genotypes of cassava

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