@ARTICLE {ONYEKA:2005b,
title = {Field evaluation of root rot disease and relationship between disease severity and yield in cassava},
author = {Onyeka, T. and Dixon, A. and Ekpo, E. *},
journal = {Experimental Agriculture},
year = {2005},
volume = {41},
number = {3},
pages = {357--363},
note = {RTB; Root and Tuber; Cassava},
}