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Recurrent drought and late blight disease are the major factors limiting potato productivity in the northwest Ethiopian highlands. Incorporating drought tolerance and late blight resistance in the same genotypes will enable the development of cultivars with high and stable yield potential under e...


Hirut, B.Shimelis, H.Fentahun, M.Bonierbale, Merideth W.Gastelo, M.Asfaw, A.[Combining ability of highland tropic adapted potato for tuber yield and yield components under drought]Combining ability of highland tropic adapted potato for tuber yield and yield components under drought

Marker-assisted recurrent selection (MARS) is a breeding method used to accumulate favorable alleles that for example confer tolerance to drought in inbred lines from several genomic regions within a single population. A bi-parental cross formed from two parents that combine resistance to Striga ...


Abdulmalik, R.O.Menkir, A.Meseka, S.K.Unachukwu, N.N.Ado, S.G.Olarewaju, J.D.Aba, D.A.Hearne, S.Crossa, J.Gedil, M.[Genetic gains in grain yield of a maize population improved through marker assisted recurrent selection under stress and non-stress conditions in west Africa]Genetic gains in grain yield of a maize population improved through marker assisted recurrent selection under stress and non-stress conditions in west Africa

The objective of marker assisted recurrent selection (MARS) is to increase the frequency of favorable marker alleles in a population before inbred line extraction. This approach was used to improve drought tolerance and grain yield (GY) in a biparental cross of two elite drought tolerant lines. T...


Bankole, F.Menkir, A.Olaoye, G.Crossa, J.Hearne, S.Unachukwu, N.N.Gedil, M.[Genetic gains in yield and yield related traits under drought stress and favorable environments in a maize population improved using marker assisted recurrent selection]Genetic gains in yield and yield related traits under drought stress and favorable environments in a maize population improved using marker assisted recurrent selection

The goal of this research was to evaluate diverse cowpea genotypes developed over the past 4 decades in the Nigerian Sudan Savannas for their agronomic performance and to identify groups of cultivars with similar quantitative characters. Characterization would facilitate the efficient synthesis o...


Kamara, A.Y.Ewansiha, S.U.Ajeigbe, Hakeem A.Omoigui, L.O.Tofa, A.I.Karim, K.Y.[Agronomic evaluation of cowpea cultivars developed for the West African Savannas]Agronomic evaluation of cowpea cultivars developed for the West African Savannas
Utsumi, YoshinoriTanaka, MahoKurotani, AtsushiYoshida, TakuhiroMochida, KeiichiMatsui, AkihiroIshitani, ManabuSraphet, SupajitWhankaew, SukhumanAsvarak, ThipaNarangajavana, JarunyaTriwitayakorn, KanokpornSakurai, TetsuyaSeki, Motoaki[Cassava (Manihot esculenta) transcriptome analysis in response to infection by the fungus Colletotrichum gloeosporioides using an oligonucleotide-DNA microarray]Cassava (Manihot esculenta) transcriptome analysis in response to infection by the fungus Colletotrichum gloeosporioides using an oligonucleotide-DNA microarray

Cassava biofortification programs have made significant progress in improving pro-vitamin A carotenoid (pVAC) content; however, the nutritional impact of traditional and industrial food processing has not been fully assessed. The effects of fermentation and thermal processing on the stability and...


Aragón, Ingrid J.Ceballos, HernánDufour, DominiqueFerruzzi, Mario G.[Pro-vitamin A Carotenoids Stability and Bioaccessibility From Elite Selection of Biofortified Cassava Roots (Manihot esculanta, Crantz) Processed to Traditional Flours and Porridges]Pro-vitamin A Carotenoids Stability and Bioaccessibility From Elite Selection of Biofortified Cassava Roots (Manihot esculanta, Crantz) Processed to Traditional Flours and Porridges

Ten and thirty cassava genotypes producing wildtype and amylose‐free (waxy) starch respectively, are grown at low (LA) and intermediate (IA) altitudes (<213 and >900 m above sea level (m.a.s.l.) respectively). The functional properties of the starch from these materials are analyzed. The relative...


Karlström, AmandaBelalcázar, JohnSánchez, TeresaLenis, Jorge I.Moreno, John L.Pizarro, MónicaRicci, JulienDufour, DominiqueTran, ThierryCeballos, Hernán[Impact of Environment and Genotype-by-Environment Interaction on Functional Properties of Amylose-Free and Wildtype Cassava Starches]Impact of Environment and Genotype-by-Environment Interaction on Functional Properties of Amylose-Free and Wildtype Cassava Starches

Eight genotypes of yellow yam (Dioscorea cayenensis) were planted at locations in two major yam-growing agroecologies of Nigeria (Onne in the humid forest zone and Ibadan in the forest/savannah transition zone) for assessment of the contents of minerals and antinutrients. Significant differences ...


Akin-Idowu, P.E.Odunola, O.A.Asiedu, RobertMaziya-Dixon, B.B.Uwaifo, A.O.[Variation in nutrient and antinutrient contents of tubers from yellow yam (Dioscorea cayenensis) genotypes grown at two locations]Variation in nutrient and antinutrient contents of tubers from yellow yam (Dioscorea cayenensis) genotypes grown at two locations

Molecular-marker-aided evaluation of germplasm plays an important role indefining the genetic diversity of plant genotypes for genetic and populationimprovement studies. A collection of African cassava landraces and elite culti-vars was analysed for genetic diversity using 20 amplified fragment l...


Raji, A.A.J.Fawole, I.Gedil, M.Dixon, Alfred G.O.[Genetic differentiation analysis of African cassava (Manihot esculenta) landraces and elite germplasm using amplified fragment length polymorphism and simple sequence repeat markers]Genetic differentiation analysis of African cassava (Manihot esculenta) landraces and elite germplasm using amplified fragment length polymorphism and simple sequence repeat markers

Banana Xanthomonas wilt disease, caused by Xanthomonas campestris pv. musacearum (Xcm), is a major threat to banana production in east Africa. All cultivated varieties of banana are susceptible to Xcm and only the progenitor species Musa balbisiana was found to be resistant. The molecular basis o...


Tripathi, L.Tripathi, J.Shah, T.Muiruri, K.S.Katari, M.[Molecular basis of disease resistance in banana progenitor Musa Balbisiana against Xanthomonas Campestris pv. Musacearum]Molecular basis of disease resistance in banana progenitor Musa Balbisiana against Xanthomonas Campestris pv. Musacearum

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