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The starchy staples of cassava (tuberous roots) provides more than half the calories consumed by more than 200 million people in sub-Saharan Africa, and the leaves are often used as a vegetable providing protein, vitamins and minerals. The cyanogenic potential of cassava has often been cited as a...


Dixon, A.Asiedu, RobertBokanga, M.[Breeding of cassava for low cyanogenic potential: problems, progress and prospects]Breeding of cassava for low cyanogenic potential: problems, progress and prospects

Field evaluation of six cassava genotypes for resistance to root rot disease was compared with three rapid laboratory methods (whole root inoculation, root slice inoculation, and stem inoculation) for resistance screening. Both the field evaluation and the three laboratory methods separated the v...


Onyeka, T.J.Dixon, A.Ekpo, E.J.[Assessment of laboratory methods for evaluating cassava genotypes for resistance to root rot disease]Assessment of laboratory methods for evaluating cassava genotypes for resistance to root rot disease

Cassava flour has potential for multiple applications in the food industry. To develop cassava varieties for targeted household and industrial uses, it is necessary to evaluate the varietal and environmental variations in fresh root yield, cyanide potential and physic chemical properties A. total...


Maziya-Dixon, B.B.Dixon, A.Adebowale, A.[Targeting different end uses of cassava: genotypic variations for cyanogenic potentials and pasting properties]Targeting different end uses of cassava: genotypic variations for cyanogenic potentials and pasting properties

Cassava mosaic disease (CMD) caused by a group of begomoviruses and transmitted by whitefly vector is a serious disease in all the cassava-growing areas of Africa. Field evaluation with replication was conducted in 2003 and 2004 in three agroecologies in Nigeria to study the response of 40 cassav...


Egesi, Chiedozie N.Ogbe, F.O.Akoroda, M.O.Ilona, P.Dixon, A.[Resistance profile of improved cassava germplasm to cassava mosaic disease in Nigeria]Resistance profile of improved cassava germplasm to cassava mosaic disease in Nigeria

The distribution of the cyanogenic potential in cassava germplasm has been found to be a continuum from very low values to high levels. Within the same genotype, the cyanogenic potential is affected by the planting season; it is low when planted at the beginning of the rainy season, and high when...


Bokanga, M.Ekanayake, I.J.Dixon, A.Porto, M.[Genotype environment interactions for cyanogenic potential in cassava]Genotype environment interactions for cyanogenic potential in cassava

A total of 436 African landraces and 497 improved cassava genotypes were planted in 1996, 1997, 1998 and 1999 growing seasons.. These were evaluated for their reactions to cassava anthracnose disease (CAD) under natural infection conditions at Ibadan (a high infection zone). The severity of the d...


Owolade, O.Dixon, A.Adeoti, A.Osunlaja, S.[Sources of resistance to cassava anthracnose disease]Sources of resistance to cassava anthracnose disease

The problem of genotype-by-environment (G x E) interactions that often complicates the interpretation of multilocational trial analysis making the prediction of genotype performance difficult can be eased with the adoption of the Additive Main Effects and Multiplicative Interaction (AMMI) model a...


Aina, O.O.Dixon, A.Akinrinde, E.[Additive main effects and multiplicative interaction (AMMI) analysis for yield of cassava in Nigeria]Additive main effects and multiplicative interaction (AMMI) analysis for yield of cassava in Nigeria

The identification of superior genotypes and mega-environments on the basis of multiple traits is a key objective of multi-environment trials in cassava (Manihot esculenta Crantz). The objective of this study was to examine the genetic variation and genotype 3 environment interaction (GEI) effect...


Egesi, Chiedozie N.Ilona, P.Ogbe, F.O.Akoroda, M.O.Dixon, A.[Genetic variation and genotype X environment interaction for yield and other agronomic traits in cassava in Nigeria]Genetic variation and genotype X environment interaction for yield and other agronomic traits in cassava in Nigeria

Cassava is widely consumed in Africa where malnutrition is rampant; there is, therefore, a major effort to produce micronutrient biofortified cassava. Adoption of such cassava genotypes will largely depend on their agronomic performance, resistance to biotic stresses, and the stability of these t...


Ssemakula, G.N.Dixon, A.[Genotype X environment interaction, stability and agronomic performance of carotenoid-rich cassava clones]Genotype X environment interaction, stability and agronomic performance of carotenoid-rich cassava clones

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