An analysis of genetic gain for sweetpotato root yield, varieties released and adoption in Malawi. - Chipungu, Felistus P.; Mkandawire, T.; Chitete, M.; Benesi, I.R.M.; Pamkomera, P.; Mwenye, O.; Abidin, P.E.; Andrade, M.I.; Grüneberg, W.J.; Chiipanthenga, M. (2013)