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Journal Article 2008

Autor: Twizeyimana, M. Ojiambo, P.S. Ikotun, T. Ladipo, J.L. Hartman, G.L. Bandyopadhyay, Ranajit

Soybean rust, caused by Phakopsora pachyrhizi, is one of the most important constraints to soybean production worldwide. The absence of high levels of host resistance to the pathogen has necessitated the continued search and identification of sources of resistance. In one set of experiments, 178 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/90802

Investigación en Agricultura
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Twizeyimana, M. ,  Ojiambo, P.S. ,  Ikotun, T. ,  Ladipo, J.L. ,  Hartman, G.L. ,  Bandyopadhyay, Ranajit ,  [Evaluation of soybean germplasm for resistance to soybean rust (Phakopsora pachyrhizi) in Nigeria] ,  Evaluation of soybean germplasm for resistance to soybean rust (Phakopsora pachyrhizi) in Nigeria
Journal Article 2007

Autor: Twizeyimana, M. Ojiambo, P.S. Ikotun, T. Paul, C. Hartman, G.L. Bandyopadhyay, Ranajit

Fourteen soybean accessions and breeding lines were evaluated for resistance to soybean rust caused by the fungus Phakopsora pachyrhizi. Evaluations were conducted in replicated experiments in growth chambers using detached leaves and under greenhouse and field conditions. In growth-chamber exper...

Enlace original: https://cgspace.cgiar.org/handle/10568/92181

Investigación en Agricultura
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Twizeyimana, M. ,  Ojiambo, P.S. ,  Ikotun, T. ,  Paul, C. ,  Hartman, G.L. ,  Bandyopadhyay, Ranajit ,  [Comparison of field, greenhouse and detachedleaf evaluations of soybean germplasm for resistance to Phakopsora pachyrhizi] ,  Comparison of field, greenhouse and detachedleaf evaluations of soybean germplasm for resistance to Phakopsora pachyrhizi
Journal Article 2008

Autor: Okechukwu, R.U. Dixon, Alfred G.O. Akoroda, M.O. Mwangi, M. Bandyopadhyay, Ranajit

In 2004 and 2005 through field trials in over 2500 locations in several agroecological zones, 40 new cassava varieties were introduced in Nigeria. The trials were managed by scientists, extension workers and farmers. The aim in introducing these new varieties was to pre-emptively manage cassava m...

Enlace original: https://cgspace.cgiar.org/handle/10568/90898

Investigación en Agricultura
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Okechukwu, R.U. ,  Dixon, Alfred G.O. ,  Akoroda, M.O. ,  Mwangi, M. ,  Bandyopadhyay, Ranajit ,  [Root rot resistance in new cassava varieties introduced to farmers in Nigeria] ,  Root rot resistance in new cassava varieties introduced to farmers in Nigeria
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)
Journal Article 2008

Autor: Afolabi, C.G. Ojiambo, P.S. Ekpo, E.J. Menkir, A. Bandyopadhyay, Ranajit

Fusarium stalk rot is one of the most widespread and destructive diseases of maize, and deployment of resistant genotypes is one of the most effective strategies for controlling the disease. Fifty inbred lines and four checks from the breeding program of the International Institute of Tropical Ag...

Enlace original: https://cgspace.cgiar.org/handle/10568/90866

Investigación en Agricultura
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Afolabi, C.G. ,  Ojiambo, P.S. ,  Ekpo, E.J. ,  Menkir, A. ,  Bandyopadhyay, Ranajit ,  [Novel sources of resistance to Fusarium stalk rot of maize in tropical Africa] ,  Novel sources of resistance to Fusarium stalk rot of maize in tropical Africa
Journal Article 2007

Autor: Afolabi, C.G. Ojiambo, P.S. Ekpo, E.J.A. Menkir, A. Bandyopadhyay, Ranajit

Fusarium ear rot and fumonisin contamination is a major problem facing maize growers worldwide, and host resistance is the most effective strategy to control the disease, but resistant genotypes have not been identified. In 2003, a total of 103 maize inbred lines were evaluated for Fusarium ear r...

Enlace original: https://cgspace.cgiar.org/handle/10568/92175

Investigación en Agricultura
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Afolabi, C.G. ,  Ojiambo, P.S. ,  Ekpo, E.J.A. ,  Menkir, A. ,  Bandyopadhyay, Ranajit ,  [Evaluation of maize inbred lines for resistance to fusarium ear rot and fumonisin accumulation in grain in Tropical Africa] ,  Evaluation of maize inbred lines for resistance to fusarium ear rot and fumonisin accumulation in grain in Tropical Africa
Journal Article 2016-08-31

Autor: Adhikari, B.N. Bandyopadhyay, Ranajit Cotty, P.J.

Aspergillus flavus is the most common causal agent of aflatoxin contamination of food and feed. However, aflatoxin-producing potential varies widely among A. flavus genotypes with many producing no aflatoxins. Some non-aflatoxigenic genotypes are used as biocontrol agents to prevent contamination...

Enlace original: https://cgspace.cgiar.org/handle/10568/77339

Investigación en Agricultura
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Adhikari, B.N. ,  Bandyopadhyay, Ranajit ,  Cotty, P.J. ,  [Degeneration of aflatoxin gene clusters in Aspergillus flavus from Africa and North America] ,  Degeneration of aflatoxin gene clusters in Aspergillus flavus from Africa and North America
Journal Article 2009

Autor: Twizeyimana, M. Ojiambo, P.S. Sonder, Kai Ikotun, T. Hartman, G.L. Bandyopadhyay, Ranajit

Soybean rust, caused by Phakopsora pachyrhizi, is an important disease in Nigeria and many other soybean-producing countries world-wide. To determine the geographical distribution of soybean rust in Nigeria, soybean fields were surveyed in the Derived Savanna (...

Enlace original: https://cgspace.cgiar.org/handle/10568/90191

Investigación en Agricultura
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Twizeyimana, M. ,  Ojiambo, P.S. ,  Sonder, Kai ,  Ikotun, T. ,  Hartman, G.L. ,  Bandyopadhyay, Ranajit ,  [Pathogenic variation of Phakopsora pachyrhizi infecting soybean in Nigeria] ,  Pathogenic variation of Phakopsora pachyrhizi infecting soybean in Nigeria

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