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Cassava (Manihot esculenta) breeding at the earlier stages so far has been mainly based on a mass phenotypic recurrent selection, as little data is taken. This has resulted in a long breeding cycle and lack of organised information on the breeding values of parental lines used in the breeding pro...


Ojulong, HLabuschagne, M.T.Fregene, Martin A.Herselman, L.[A cassava clonal evaluation trial based on a new cassava breeding scheme]A cassava clonal evaluation trial based on a new cassava breeding scheme

Bean golden mosaic geminivirus (BGMV) causes major losses on beans (Phaseolus vulgaris) in the tropical and subtropical Americas and the Caribbean Basin. Infectious DNA-A and -B components of BGMV isolates from the Dominican Republic (BGMV-DR) and Guatemala (BGMV-GA) were sequenced, and their gen...


Faria, J.C. deGilbertson, R.L.Hanson, SFMorales, Francisco JoséAhlquist, P.G.Loniello, AOMaxwell, D.P.[Bean golden mosaic geminivirus type II isolates from the Dominican Republic and Guatemala : nucleotide sequences, infectious pseudorecombinants, and phylogenetic relationships]Bean golden mosaic geminivirus type II isolates from the Dominican Republic and Guatemala : nucleotide sequences, infectious pseudorecombinants, and phylogenetic relationships

Fory Sánchez, L.F.Pérez, J.G.Duque, S.Calle, FMorante, NBolaños, E.Herrera, P.Duque, M.Ceballos, H.Roca, William M.Gallego Sánchez, Gerardo J.Tohme, Joseph M.[Linea base para la toma de decisiones en bioseguridad: desarrollo de un modelo para la evaluación de flujo de genes en yuca utilizando una linea androesteril (Manihot esculenta Crantz)]Linea base para la toma de decisiones en bioseguridad: desarrollo de un modelo para la evaluación de flujo de genes en yuca utilizando una linea androesteril (Manihot esculenta Crantz)

Yam (Dioscorea spp., family Dioscoreaceae) is one of the most important food crops cultivated in the West African yam zone comprising the forest and savannah areas of Nigeria, Ghana, Cote d'Ivoire, Republic of Benin, and Togo, which account for more than 90% of the 4.59 million ha of yam cultivat...


Daniel, I.Ng, N.Q.Tayo, T.Togun, A.[West African yam seeds stored under desiccated and cold storage conditions are orthodox]West African yam seeds stored under desiccated and cold storage conditions are orthodox

Deficiencies of vitamin A, iron, and zinc are widespread in sub-Saharan Africa, where the diets are mainly plant-based and the intakes of animal products are low. The overall objective of this investigation was to determine the extent of genetic variation of these micronutrients in 16 yellow-seed...


Maziya-Dixon, B.B.Kling, J.G.Menkir, A.Dixon, A.[Genetic variation for total carotene, iron, and zinc contenet in maize genotypes and cassava clones]Genetic variation for total carotene, iron, and zinc contenet in maize genotypes and cassava clones

Sweetpotato is grown during the rainyand during the dry season in Mozambique (the rainy season is very unstable). In total 58 clones were evaluated across three years during the dry season and with two treatments (with and without irrigation during the initial growing stages). Three check clones ...


Andrade, M.I.Ricardo, J.Gruneberg, W.J.[Genotype x environment interactions for a diverse set of sweetpotato clones evaluation across drought prone environment of Mozambique.]Genotype x environment interactions for a diverse set of sweetpotato clones evaluation across drought prone environment of Mozambique.
Ojulong, HF[Quantitative and molecular analyses of agronomic traits in cassava (Manihot esculenta Crantz). Thesis (Ph.D.)]Quantitative and molecular analyses of agronomic traits in cassava (Manihot esculenta Crantz). Thesis (Ph.D.)

Sweet potato has traditionally been viewed as a “poor person’s crop” or “orphan crop,” and it has attracted limited attention compared to other staple crops. However, during the last decade, this perception has changed, and it is widely acknowledged that sweet potato has great potential to contri...


Mwanga, R.O.M.Andrade, M.I.Carey, E.E.Low, J.W.Yencho, G.C.Gruneberg, W.J.[Sweetpotato (Ipomoea batatas L.).]Sweetpotato (Ipomoea batatas L.).
Pérez Velásquez, Juan CarlosCeballos, H.Lentini, ZLópez, J.Morante, N[Introduction of inbreeding and analysis of inbreeding depression in eight S1 cassava families]Introduction of inbreeding and analysis of inbreeding depression in eight S1 cassava families

A prerequisite for biotechnological improvements of storage roots is the availability of tissue-specific promoters enabling high expression of transgenes. In this work, we cloned two genomic fragments, pMe1 and pDJ3S, controlling the expression of a gene with unknown function from cassava (Maniho...


Arango Mejía, J.Salazar, BWelsch, RSarmiento Salazar, FBeyer, PeterAl-Babili, S.[Putative storage root specific promoters from cassava and yam : Cloning and evaluation in transgenic carrots as a model system]Putative storage root specific promoters from cassava and yam : Cloning and evaluation in transgenic carrots as a model system

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