Blar i Doctoral theses (BioVit) på emneord "Sweet potato"
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Sweet potato virus in Ethiopia : detection, characterization, elimination and management
(PhD Thesis;2019:94, Doctoral thesis, 2019)The initiative to improve sweet potato production and productivity in Ethiopia began in the 1980s and so far, there are 26 improved sweet potato varieties made available for farmers. Lack of a rigorous quarantine scheme ...