Information on cocoa research projects in progress in research institutes /fourth session of the FAO cocoa study group - Accra, Ghana, 10-19 Apr 1961/.

control de insectos cultural methods ecologia ecologie ecology enfermedades de las plantas fermentation fisiologia vegetal fitomejoramiento genetica genetics insect control institution de recherche maladie des plantes mode de culture plant breeding plant diseases plant physiology projet de recherche research institutions research projects theobroma cacao