1. Akinwale MG, Akinyele BO, Dixon AGO, Odiyi AC (2010) Genetic variability among forty-three cassava genotypes in three agroecological zones of Nigeria. Afr J Plant Sci 5(3):207–212
2. Baiyeri KP, Edibo GO, Obi IU, Ogbe FO, Egesi CN, Eke-Okoro ON, Okogbenin E, Dixon AGO (2008) Growth, yield and disease responses of 12 cassava genotypes evaluated for two cropping seasons in a derived savannah zone of south-eastern Nigeria. J Trop Agric Food Environ Ext 7:162–169
3. Bouis HE, Hotz C, McClafferty B, Meenakshi JV, Pfeiffer WH (2011) Biofortification: a new tool to reduce micronutrient malnutrition. Food Nutr Bull 32:S31–S40
4. Ceballos H, Hershey C, Becerra-López-Lavalle LA (2012) New approaches to cassava breeding. Plant Breed Rev 36:427–504
5. Ceballos H, Morante N, Sánchez T, Ortiz D, Aragón I, Chávez AL, Pizarro M, Calle F, Dufour D (2013) Rapid cycling recurrent selection for increased carotenoids content in cassava roots. Crop Sci 53:2342–2351