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Book Chapter 1991

Autor: Allem, A.C. Hahn, S.K.

The types of germplasm needed for the different agroecological zones where cassava is grown are outlined briefly in terms of what the main supplier (South America) has to offer. Africa's Atlantic coastal belt, its tropical rain forests, its extensive savannas, and the arid zones are examined in r...

Enlace original: https://cgspace.cgiar.org/handle/10568/101747

Investigación en Agricultura
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Allem, A.C. ,  Hahn, S.K. ,  [Cassava germplasm strategies for Africa] ,  Cassava germplasm strategies for Africa
Conference Paper 1994

Autor: Porto, M.C. Asiedu, Robert Dixon, A. Hahn, S.K.

An agroecologically-based germplasm enhancement strategy to further broaden the genetic base of cassava in selected ecologies of Africa was initiated by CIAT and IITA in 1990. Crosses are being made at CIAT, in Colombia, using parents adapted to four different agroecologies of South America with ...

Enlace original: https://cgspace.cgiar.org/handle/10568/100965

Investigación en Agricultura
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Porto, M.C. ,  Asiedu, Robert ,  Dixon, A. ,  Hahn, S.K. ,  [An agroecologically oriented introduction of cassava germplasm from Latin America into Africa] ,  An agroecologically oriented introduction of cassava germplasm from Latin America into Africa
Journal Article 1992

Autor: Hahn, S.K. Bai, V.K. Asiedu, Robert

One suspected mutant with the broad, thick and dark green leaves characteristic of tetraploid cassava was found from each of the cassava clones TMS 91934 and TMS 89/00037-17 planted out in the field. Cytological examination confirmed them as tetraploids with chromosomes number 2n=4x=72. The mutan...

Enlace original: https://cgspace.cgiar.org/handle/10568/99901

Investigación en Agricultura
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Hahn, S.K. ,  Bai, V.K. ,  Asiedu, Robert ,  [Spontaneous somatic tetraploids in cassava] ,  Spontaneous somatic tetraploids in cassava
Journal Article 1984

Autor: Rao, P.V. Hahn, S.K.

An automated enzymic method for the analysis of cyanide in cassava and cassava products is described. A total of 300 analyses a day can be handled easily. A wide range of free (nonglycosidic) or bound (cyano‐substituted glycosides) cyanides (0.4–40 μg HCN ml−1) can be assayed in the extracted sol...

Enlace original: https://cgspace.cgiar.org/handle/10568/96439

Investigación en Agricultura
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Rao, P.V. ,  Hahn, S.K. ,  [An automated enzymatic assay for determining the cyanide content of cassava (Manihot esculenta) and cassava products] ,  An automated enzymatic assay for determining the cyanide content of cassava (Manihot esculenta) and cassava products
Conference Paper 1992

Autor: Asiedu, Robert Hahn, S.K. Bai, K.V. Dixon, Alfred G.O.
Enlace original: https://cgspace.cgiar.org/handle/10568/103291

Investigación en Agricultura
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Asiedu, Robert ,  Hahn, S.K. ,  Bai, K.V. ,  Dixon, Alfred G.O. ,  [Introgression of genes from wild relatives into cassava] ,  Introgression of genes from wild relatives into cassava
Conference Proceedings 2008

Autor: Dixon, A. Okechukwu, R.U. Ssemakula, G.N. Hanna, R. Thresh, J.M. Hughes, J. Ingelbrecht, I. Fregene, Martin A. Legg, J.P. Mahungu, N.M. Nweke, F. Ntawuruhunga, Pheneas Fauquet, Claude M. Manyong, Victor M. Neuenschwander, P. Whyte, J. Wydra, K. Asiedu, Robert Egesi, Chiedozie N. Bandyopadhyay, Ranajit Winter, S. Tarawali, G. Bokanga, M. Ezedinma, C. Sanni, L.O. Ferguson, M. Ogbe, F.O. Akoroda, M.O. Maziya-Dixon, B.B. Ilona, P. Ekanayake, I.J. Ariyo, O. Onyeka, J. Otim-Nape, G.W. Dahniya, Mohamed T. Ortiz, R. Hahn, S.K. Hartman, P.

Cassava is well recognized for its capacity to address food needs of vulnerable communities in unstable environments in SSA. IITA and colleagues in African NARS, in collaboration with CIAT and ARIs have played leading roles in the development of improved cassava varieties which are disease and pe...

Enlace original: https://cgspace.cgiar.org/handle/10568/92293

Investigación en Agricultura
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Dixon, A. ,  Okechukwu, R.U. ,  Ssemakula, G.N. ,  Hanna, R. ,  Thresh, J.M. ,  Hughes, J. ,  Ingelbrecht, I. ,  Fregene, Martin A. ,  Legg, J.P. ,  Mahungu, N.M. ,  Nweke, F. ,  Ntawuruhunga, Pheneas ,  Fauquet, Claude M. ,  Manyong, Victor M. ,  Neuenschwander, P. ,  Whyte, J. ,  Wydra, K. ,  Asiedu, Robert ,  Egesi, Chiedozie N. ,  Bandyopadhyay, Ranajit ,  Winter, S. ,  Tarawali, G. ,  Bokanga, M. ,  Ezedinma, C. ,  Sanni, L.O. ,  Ferguson, M. ,  Ogbe, F.O. ,  Akoroda, M.O. ,  Maziya-Dixon, B.B. ,  Ilona, P. ,  Ekanayake, I.J. ,  Ariyo, O. ,  Onyeka, J. ,  Otim-Nape, G.W. ,  Dahniya, Mohamed T. ,  Ortiz, R. ,  Hahn, S.K. ,  Hartman, P. ,  [Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners] ,  Cassava improvement in sub-Saharan Africa: contributions of IITA and its partners

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