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The intense debate over agricultural biotechnology is at once fascinating, confusing and disappointing. It is complicated by issues of ethical, moral, socio-economic, political, philosophical and scientific import. Its vocal champions exaggerate their claims of biotechnology as saviour of the poo...


Kelemu, SegenetMahuku, George S.Fregene, Martin A.Pachico, Douglas H.Johnson, Nancy L.Calvert, Lee A.Rao, Idupulapati M.Buruchara, Robin A.Amede, TilahunKimani, P.M.Kirkby, Roger A.Kaaria, Susan K.Ampofo, James Kwasi O.[Harmonizing the agricultural biotechnology debate for the benefit of African farmers]Harmonizing the agricultural biotechnology debate for the benefit of African farmers

Breeding goals of yield increases, root quality improvement, and disease resistance in cassava are considerably slowed down by biological characteristics of the crop, which includes a long growth cycle, a heterozygous genetic background and a poor knowledge of the organization of crop diversity. ...


Fregene, Martin A.Okogbenin, EmmanuelMba, CAngel, F.Suarez, MCGutiérrez A., Janeth PatriciaChavarriaga Aguirre, PaulRoca, William M.Bonierbale, Merideth W.Tohme, Joseph M.[Genome mapping in cassava improvement: Challenges, achievements and opportunities]Genome mapping in cassava improvement: Challenges, achievements and opportunities
Carabalí, A.Bellotti, Anthony C.Montoya Lerma, JFregene, Martin A.[Manihot flabellifolia Pohl, wild source of resistance to the whitefly Aleurotrachelus socialis Bondar (Hemiptera: Aleyrodidae)]Manihot flabellifolia Pohl, wild source of resistance to the whitefly Aleurotrachelus socialis Bondar (Hemiptera: Aleyrodidae)
Adeyemo, O. SarahDavis, S.Chavarriaga Aguirre, PaulTohme, Joseph M.Ceballos, H.Fregene, Martin A.[Strategies for enhancing flowering in cassava using molecular tools: towards a more efficient breeding programme]Strategies for enhancing flowering in cassava using molecular tools: towards a more efficient breeding programme

Several molecular marker systems have been developed for assessing genetic diversity in crop germplasm collections. A trade-off often exists between the number of loci that can feasibly be sampled by a marker system and the amount of information provided by each locus. We compared the usefulness ...


Hurtado Lopez, PXOlsen, KMBuitrago, C.Ospina, C.Marin, JADuque E., Myriam CristinaVicente, M.C. deWongtiem, PrapitWenzl, PeterKillian, AAdekele, M.Fregene, Martin A.[Comparison of simple sequence repeat (SSR) and diversity array technology (DArT) markers for assessing genetic diversity in cassava Manihot esculenta Crantz)]Comparison of simple sequence repeat (SSR) and diversity array technology (DArT) markers for assessing genetic diversity in cassava Manihot esculenta Crantz)

The genetic basis of early bulking in cassava was studied in a replicated, multi-locational trial using 144 F1 progeny derived from an intra-specific cross between two non-inbred parents. A second, sequential harvest experiment examined the relative importance of eight yield-related traits on ear...


Okogbenin, EmmanuelFregene, Martin A.[Genetic analysis and QTL mapping of early root bulking in an F1 population of non-inbred parents in cassava (Manihot esculenta Crantz)]Genetic analysis and QTL mapping of early root bulking in an F1 population of non-inbred parents in cassava (Manihot esculenta Crantz)
Mba, CFregene, Martin A.Tohme, Joseph M.[Simple sequence repeat markers as efficient and robust molecular tools in cassava varietal development]Simple sequence repeat markers as efficient and robust molecular tools in cassava varietal development
Fregene, Martin A.Suárez, MMkumbira, J.Kulembeka, H.P.Ndedya, EKulaya, AMitchel, SGullberg, URosling, H.Dixon, Alfred G.O.Kresovich, S[Genetic differentiation in cassava (Manihot esculenta) land races as assessed by simple sequence repeat (SSR) markers]Genetic differentiation in cassava (Manihot esculenta) land races as assessed by simple sequence repeat (SSR) markers
Okogbenin, EmmanuelFregene, Martin A.[QTL mapping in an F1 population from non-inbred parents in cassava (Manihot esculenta) : Yield and root quality traits]QTL mapping in an F1 population from non-inbred parents in cassava (Manihot esculenta) : Yield and root quality traits
Fregene, Martin A.Matsumura, HAkano, A.O.Dixon, Alfred G.O.Terauchi, R.[Progress towards cloning the single dominant gene conferring immunity to cassava mosaic disease (CMD)]Progress towards cloning the single dominant gene conferring immunity to cassava mosaic disease (CMD)

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