@INBOOK {KAMARA:2001, title = {Vertical root-pulling resistance and its effects on lodging and yield of 18 maize S1 lines in the southern Guinea savanna, Nigeria}, author = {Kamara, A. and Kling, J. }, year = {2001}, type = {Anstracts of the Fourth Biennial West and Central Africa Regional Maize Workshop, 14-18 May.}, pages = {32}, publisher = {International Institute of Tropical Agriculture (IITA), Cotonou, Benin Republic}, }