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Journal Article 2005

Autor: Mignouna, H. Abang, Mathew M. Wanyera, N. Chikaleke, V. Asiedu, Robert Thottappilly, G.

Reliable characterization of the variation among wild and cultivated yams in Nigeria is essential for improved management and efficient utilization of yam genetic resources. RAPD and double stringency PCR (DS-PCR) analyses were used to investigate genetic relationships and the extent of redundanc...

Enlace original: https://cgspace.cgiar.org/handle/10568/91792

Investigación en Agricultura
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Mignouna, H. ,  Abang, Mathew M. ,  Wanyera, N. ,  Chikaleke, V. ,  Asiedu, Robert ,  Thottappilly, G. ,  [PCR markerbased analysis of wild and cultivated yams (Dioscorea spp.)in Nigeria: genetic relationships and implication for ex situ conservation] ,  PCR markerbased analysis of wild and cultivated yams (Dioscorea spp.)in Nigeria: genetic relationships and implication for ex situ conservation
Journal Article 1997

Autor: Dansi, A. Zoundjihékpon, J. Mignouna, H. Quin, F.
Enlace original: https://cgspace.cgiar.org/handle/10568/103839

Investigación en Agricultura
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Dansi, A. ,  Zoundjihékpon, J. ,  Mignouna, H. ,  Quin, F. ,  [Collecte des ignames cultivees du complexe Dioscorea cayenensisrotundata au Benin] ,  Collecte des ignames cultivees du complexe Dioscorea cayenensisrotundata au Benin
Journal Article 1997

Autor: Tonukari, N.J. Thottappilly, G. Ng, N.Q. Mignouna, H.

A knowledge of the extent of genetic variation in a crop is a prerequisite for its improvement. In cassava (Manihot esculenta Crantz) such knowledge is lacking especially at the DNA level. The genetic variation among 28 cassava varieties collected from different locations in the Republic of Benin...

La connaissance de l'importance de variation genetique chez une culture est necessaire pour son amelioration. Chez le manioc (Manihot esculenta Crantz), une telle connaissance manque surtout au niveau du DNA. La variation genetique parmi les 28 varietes du manioc recueillies de differentes locali...

Enlace original: https://cgspace.cgiar.org/handle/10568/95931

Investigación en Agricultura
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Tonukari, N.J. ,  Thottappilly, G. ,  Ng, N.Q. ,  Mignouna, H. ,  [Genetic polymorphism of cassava within the Republic of Benin detected with RAPD markers] ,  Genetic polymorphism of cassava within the Republic of Benin detected with RAPD markers
Journal Article 2008

Autor: Alene, A. Manyong, Victor M. Omanya, G. Mignouna, H. Bokanga, M. Odhiambo, G.D.

This paper assessed the relative economic efficiency and output supply and input demand responses of women farmers in western Kenya. The results showed that women are as technically and allocatively efficient as men. However, neither men nor women have absolute allocative efficiency. Women farmer...

Enlace original: https://cgspace.cgiar.org/handle/10568/90782

Investigación en Agricultura
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Alene, A. ,  Manyong, Victor M. ,  Omanya, G. ,  Mignouna, H. ,  Bokanga, M. ,  Odhiambo, G.D. ,  [Economic efficiency and supply response of women as farm managers: comparative evidence from Western Kenya] ,  Economic efficiency and supply response of women as farm managers: comparative evidence from Western Kenya
Journal Article 2001

Autor: Dansi, A. Mignouna, H. Pillay, M. Zok, S.

The ploidy levels of the twenty-two yam (Dioscorea cayenensis-D. rotundata complex) cultivars within germplasm Cameroon Guinea yam were determined by flow cytometry. Three different ploidy levels (4x,6x, 8x) were detected within the samples analysed. Fifteen cultivars were tetraploids, five were ...

Enlace original: https://cgspace.cgiar.org/handle/10568/92665

Investigación en Agricultura
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Dansi, A. ,  Mignouna, H. ,  Pillay, M. ,  Zok, S. ,  [Ploidy variation in the cultivated yams (Dioscorea cayenensisDioscorea rotundata complex) from Cameroon as determined by flow cytometry] ,  Ploidy variation in the cultivated yams (Dioscorea cayenensisDioscorea rotundata complex) from Cameroon as determined by flow cytometry
Journal Article 2000

Autor: Dansi, A. Mignouna, H. Zoundjihékpon, J. Sangare, A. Asiedu, Robert Ahoussou, N.

Four hundred and sixty-seven accessions of cultivated Guinea yam (Dioscorea cayenensis/Dioscorea rotundatacomplex) collected from different localities of Benin Republic were analysed to study isoenzymatic variability in seven enzyme systems: aspartate aminotransferase (AAT), esterase (EST), gluco...

Enlace original: https://cgspace.cgiar.org/handle/10568/92616

Investigación en Agricultura
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Dansi, A. ,  Mignouna, H. ,  Zoundjihékpon, J. ,  Sangare, A. ,  Asiedu, Robert ,  Ahoussou, N. ,  [Using isozyme polymorphism to assess genetic variation within cultivated yams (Dioscorea cayenensis/Dioscorea rotundata complex) of the Republic of Benin] ,  Using isozyme polymorphism to assess genetic variation within cultivated yams (Dioscorea cayenensis/Dioscorea rotundata complex) of the Republic of Benin
Journal Article 2000

Autor: Dansi, A. Mignouna, H. Zoundjihékpon, J. Sangare, A. Ahoussou, N. Asiedu, Robert

DNA from twenty-three late maturing cultivars of Guinea yams (D. cayenensis/D. rotundata complex) from the Benin Republic that could not be separated using isozyme markers, were examined using randomly amplified polymorphic DNA (RAPD) markers with decamer primers of arbitrary sequence. All the tw...

Enlace original: https://cgspace.cgiar.org/handle/10568/92617

Investigación en Agricultura
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Dansi, A. ,  Mignouna, H. ,  Zoundjihékpon, J. ,  Sangare, A. ,  Ahoussou, N. ,  Asiedu, Robert ,  [Identification of some Benin Republics Guinea yam (Dioscorea cayenensis/Dioscorea rotundata complex) cultivars using Randomly Amplified Polymorphic DNA] ,  Identification of some Benin Republics Guinea yam (Dioscorea cayenensis/Dioscorea rotundata complex) cultivars using Randomly Amplified Polymorphic DNA
Journal Article 2002

Autor: Mignouna, H. Mank, R. Ellis, T. Bosch, N. van den Asiedu, Robert Ng, S. Peleman, J.

A genetic linkage map of the tetraploid white yam (Dioscorea rotundata Poir.) was constructed based on 341 co-dominantly scored amplified fragment length polymorphism (AFLP) markers segregating in an intraspecific F1 cross. The F1 mapping population was produced by crossing a landrace cultivar TD...

Enlace original: https://cgspace.cgiar.org/handle/10568/92765

Investigación en Agricultura
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Mignouna, H. ,  Mank, R. ,  Ellis, T. ,  Bosch, N. van den ,  Asiedu, Robert ,  Ng, S. ,  Peleman, J. ,  [A genetic linkage map of guinea yam (Dioscorea rotundata Poir.) based on AFLP markers] ,  A genetic linkage map of guinea yam (Dioscorea rotundata Poir.) based on AFLP markers
Journal Article 2000

Autor: Thottappilly, G. Mignouna, H. Omitogun, O.

Genetic engineering and biotechnology are providing new tools for genetic improvement of food crops. Molecular DNA markers are some of these tools which can be used in various fields of plant breeding and germplasm management. For example, molecular markers have used to confirm the identity of hy...

Enlace original: https://cgspace.cgiar.org/handle/10568/92636

Investigación en Agricultura
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Thottappilly, G. ,  Mignouna, H. ,  Omitogun, O. ,  [Use of DNA markers for rapid improvement of crops in Africa] ,  Use of DNA markers for rapid improvement of crops in Africa
Journal Article 2000

Autor: Dansi, A. Pillay, M. Mignouna, H. Daïnou, O. Mondeil, F. Moutairou, K.

The ploidy level of ninety Guinea yam (Dioscorea Cayenesis/D. rotundata complex) cultivars identified within Benin were determined by both chromosome counting from root tip cells and flow cytometry. Three different ploidy levels (4x,6x,8x,) were detected among the samples. Eighty cultivars were t...

Enlace original: https://cgspace.cgiar.org/handle/10568/92637

Investigación en Agricultura
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Dansi, A. ,  Pillay, M. ,  Mignouna, H. ,  Daïnou, O. ,  Mondeil, F. ,  Moutairou, K. ,  [Ploidy level of the cultivated yams (Dioscorea cayenensis/D. rotundata complex) from Benin Republic as determined by chromosome counting and flow cytometry] ,  Ploidy level of the cultivated yams (Dioscorea cayenensis/D. rotundata complex) from Benin Republic as determined by chromosome counting and flow cytometry

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