Improved purification procedure and some serological and physical properties of cassava common mosaic virus from South America
Use of chloroplast DNA polymorphisms for the phylogenetic study of seven Phaseolus taxa including P. vulgaris and P. coccineus
Genetic diversity and ecological distribution of Phaseolus vulgaris (Fabaceae) in Northwestern South America
Brachiaria. A report to CIAT, Colombia, on the species and specimens held in the germplasm collection
Algunos factores limitantes en el uso de raíces y tubérculos andinos y sus prioridades de investigación