Relative oviposition rates of the cassava hornworm, Erinnyis ello (Lep.: Sphingidae), and accompanying parasitism by Telenomus sphingis (Hym.: Scelionidae), on upper and lower leaf surfaces of cassava
Rango de adaptacion de B. dictyoneura cv. llanero; A. gayanus cv. carimagua1 y S. capitata cv. Capica en Colombia
IARCs information-training for the national agricultural technology generation and transfer systems : Scope for inter -center cooperation