Occurrence of sweet potato to virus disease (spvd) and other viruses on sweet potato and the role of resistance and phytosanitation to control spvd in Uganda Author/Editor(s): Bua, B.Date of publication: 2004RUFORUM Theses and Dissertations Read more about Occurrence of sweet potato to virus disease (spvd) and other viruses on sweet potato and the role of resistance and phytosanitation to control spvd in Uganda