manihot esculenta raíces 3 roots breeding 2 crossbreeding 2 cruzamiento 2 fitomejoramiento 2 plant anatomy 2 starch crops 2 almacenamiento 1 canopy 1 cassava african mosaic virus 1 clones 1 composition 1 contenido proteinico 1 cooperativas 1 cooperative activities 1 cubierta foliar 1 development projects 1 diseases and pathogens 1 empaquetado 1 euphorbiaceae 1 foliage 1 harvest index 1 indice de cosecha 1 manihot 1 marketing 1 mercadeo 1 packaging 1 pests 1