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The changes in content of total carotenoid at each stage of processing cassava storage roots were investigatedwith three improved yellow-fleshed cassava varieties (TMS 94⁄0006, TMS 01⁄1235 and TMS 01⁄1371)grown in 2005⁄2006 in a randomised complete block design with two replications at Ibadan, Ni...


Maziya-Dixon, B.B.Dixon, Alfred G.O.Ssemakula, G.N.[Changes in total carotenoid content at different stages of traditional processing of yellowfleshed cassava genotypes]Changes in total carotenoid content at different stages of traditional processing of yellowfleshed cassava genotypes

Iron (Fe) and Zinc (Zn) concentrations in tuberous roots of twenty-five cassava (Manihot esculenta Crantz) genotypes were determined over 2 years (2004/2005 and 2005/2006) at five locations representing distinct agroecologies in Nigeria. The objectives were to study the magnitude and nature of ge...


Ssemakula, G.N.Dixon, Alfred G.O.Maziya-Dixon, B.B.[Stability of iron and zinc concentrations in selected genotypes of cassava (Manihot esculenta Crantz) tuberous roots]Stability of iron and zinc concentrations in selected genotypes of cassava (Manihot esculenta Crantz) tuberous roots

Thirty-one improved cultivars and five Nigerian landraces of cassava were assessed at genomic DNA level with 16 SSR primers for genetic diversity study. The minimum number of SSR primers that could readily be used for identification of the 36 cassava genotypes was also determined. For the genetic...


Moyib, O.K.Odunola, O.A.Dixon, Alfred G.O.[SSR markers reveal genetic variation between improved cassava cultivars and landraces within a collection of Nigerian cassava germplasm]SSR markers reveal genetic variation between improved cassava cultivars and landraces within a collection of Nigerian cassava germplasm

Ninety-eight cassava accessions were grown in augmented randomized complete block design to screen for superior clones with desirable traits. The desirable traits were root number (RTNO), fresh root yield (FYLD), harvest index (HI), dry matter (DM), cyanide potential (CNP), mean plant height (MPH...


Asante, I.K.Dixon, Alfred G.O.[Field screening of cassava (Manihot esculenta Crantz) germplasm for desirable traits by the use of augmented design]Field screening of cassava (Manihot esculenta Crantz) germplasm for desirable traits by the use of augmented design

A diagnostic survey was conducted in 2002-03 to determine the status of cassava mosaic begomoviruses in Nigeria and to ascertain if the virulent Ugandan variant of East African cassava mosaic virus (EACMV-Ug2) was present. Of the 418 farms visited, 48% had cassava with moderately severe or severe...


Ogbe, F.Dixon, Alfred G.O.Hughes, J.D.Alabi, O.J.Okechukwu, R.U.[Status of cassava begomoviruses and their new natural hosts in Nigeria]Status of cassava begomoviruses and their new natural hosts in Nigeria

A study was conducted at the greenhouse of the international institute of Tropical Agriculture, Ibadan,Nigeria to investigate the synergistic relationship of xanthomonas campestris pv. Manihotics (causal agent of cassava bacteria blight CBB), and colletotrichum gloeosporiodes f.sp manihotics (cau...


Fokunang, C.N.Dixon, Alfred G.O.Ikotun, T.[Synergistic relationship of bacterial blight and anthracnose disease pathogen in cassava multiple infection]Synergistic relationship of bacterial blight and anthracnose disease pathogen in cassava multiple infection

A survey was carried out in the 1996/97 and 1997/98 growing seasons on a field planted in three replicates with five clones of cassava at the International Institute of Tropical Agriculture, Ibadan, located in a transition forest, to determine the effects of cassava genotype and climate on the de...


Abdullahi, I.Atiri, G.I.Dixon, Alfred G.O.Winter, S.Thottappilly, G.[Effects of cassava genotype, climate, and the Bemisia tabaci vector population on the development of African cassava mosaic geminivirus (ACMV)]Effects of cassava genotype, climate, and the Bemisia tabaci vector population on the development of African cassava mosaic geminivirus (ACMV)
Kumar, P.L.Mgbechi-Ezeri, J.U.Eni, A.O.Akinbade, S.A.Asiedu, RobertDixon, Alfred G.O.Fatokun, C.A.Bandyopadhyay, Ranajit[The challenges and potential options for controlling virus diseases of legumes and tuber crops in West Africa]The challenges and potential options for controlling virus diseases of legumes and tuber crops in West Africa

Nigeria has substantial economic potential in its agricultural sector. However, despite the importance of agriculture in terms of employment creation, its potential for contributing to economic growth is far from being fully exploited. The sector's importance fluctuates with any rise and fall in ...


Ezedinma, C.I.Kormawa, P.M.Manyong, Victor M.Dixon, Alfred G.O.[Challenges, opportunities and strategy for cassava subsector development in Nigeria]Challenges, opportunities and strategy for cassava subsector development in Nigeria
Johnson, Nancy L.Manyong, Victor M.Dixon, Alfred G.O.Pachico, D.[The impact of IARC genetic improvement programmes on cassava]The impact of IARC genetic improvement programmes on cassava

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