Emmanuel Okogbenin¹, Chiedozie Egesi², Bunmi Olasanmi³, Chikelu Mba⁴, Shuaibu Kahya², Olalekan Akinbo², Humberto Gómez Paniagua⁵, Carmen Vicente², Paula Hurtado⁶ and Martin Fregene⁶, (1)Molecular Breeding , NRCRI, National Root Crops Research Institute (NRCRI) Nigeria/ CIAT, Colombia, Umudike, Nigeria, (2)Cassava Breeding Unit, National Root Crops Research Institute (NRCRI), Umudike, Nigeria, (3)PMB 7006, NIGERIA, Government of, Umuahia, ABIA, NIGERIA, (4)Plant Production and Protection Division, FAO, Rome, Italy, (5)CIMMYT, Generation Challenge Programme, Mexico, Mexico, (6)CIAT, Palmira, Colombia