Domola, M.J.; Thompson, G.J.; Aveling, T.A.S. (Terry); Laurie, S.M.; Strydom, H.; Van den Berg, A.A.
(Agricultural Research Council, 2008)
A survey was conducted during 2001–2003 of sweet potato grown by small-scale farmers in the seven main sweet potato-producing provinces of South Africa to determine the incidence of viral diseases in the field. Based on ...