@INBOOK {BADUAPRAKU:2013, title = {Breeding early and extra-early maize for resistance to biotic and abiotic stresses in sub-Saharan Africa}, author = {Badu-Apraku, B. and Fakorede, M. *}, year = {2013}, volume = {37}, type = {Plant breeding reviews}, edition = {First edition}, pages = {115--199}, chapter = {3}, publisher = {John Wiley & Sons, Inc}, note = {WAHub; CRP Maize; Maize}, }