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Genetic studies of two isozyme loci have been carried out in root tips of eight cassava F1 progenies using polyacrylamide gel electrophoresis. Two loci, esterase-1 (East-1), the most distant cationic region, and glutamate oxaloacetate transaminase-1 (Got-1), the most proximal anionic region, were...


Sarria, RAOcampo Nahar, César H.Ramírez, H.Hershey, Clair H.Roca, William M.[Genetics of esterase and glutamate oxaloacetate transaminase isozymes in cassava (Manihot esculenta Crantz)]Genetics of esterase and glutamate oxaloacetate transaminase isozymes in cassava (Manihot esculenta Crantz)

The construction of a detailed genetic map of cassava (Manihot esculenta Crantz) will be useful to tag agronomically important trais as well as to isolate and to clone cassava genes in the future. This map will also contribute to the understanding of cassava genomic structure and evolution. As a ...


Angel, F.Giraldo, F.Gómez, R.Iglesias, C.A.Tohme, Joseph M.Roca, William M.[Use of RFLPs and RAPDs in cassava genomic studies]Use of RFLPs and RAPDs in cassava genomic studies
Roca, William M.Fernández, F.O.Rodríguez, J.A.Mafla, G.[Guía de estudio para ser usada como complemento de la unidad audiotutorial sobre el mismo tema][Intercambio internacional de clones de yuca in vitro]Intercambio internacional de clones de yuca in vitro
Roca, William M.[Meristem culture in cassava: principles and methodology: principles and procedures]Meristem culture in cassava: principles and methodology: principles and procedures
Cock, James H.Toro, Julio C.Roca, William M.Fernández, F.O.[Multiplicación acelerada de material genético promisorio de yuca [conjunto audiotutorial]]Multiplicación acelerada de material genético promisorio de yuca [conjunto audiotutorial]
Thro, Ann MarieRoca, William M.[Cassava biotechnology network meets in Cartagena to study nutritional and economic values of new world resource]Cassava biotechnology network meets in Cartagena to study nutritional and economic values of new world resource

Fregene, Martin A.Ceballos, H.Roca, William M.Okogbenin, EmmanuelAkano, A.Mba, CChavarriaga Aguirre, PaulTohme, Joseph M.Ospina Patiño, Bernardo[Cassava biotechnology research at CIAT/Colombia]Cassava biotechnology research at CIAT/Colombia

Different aspects of anther culture are reviewed as follows: its application in plant breeding, conditions that affect results (physiology and genotype of donor plants, albinism, pollen development, pretreatment of anthers, culture media), var. obtained by anther culture, and comparative advantag...


Roca, William M.Nunez, VMMornan, K[Cultivo de anteras y mejoramiento de plantas]Cultivo de anteras y mejoramiento de plantas

Several important aspects of the use of molecular markers in cassava germplasm characterization and in plant breeding programs are indicated. Basic concepts considered include protein and DNA electrophoresis. In the case of cassava, isoenzyme electrophoresis was applied to confirm duplicates dete...


Ramírez, H.Calderón, A.Roca, William M.[Tecnicas moleculares para evaluar y mejorar el germoplasma vegetal]Tecnicas moleculares para evaluar y mejorar el germoplasma vegetal

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