Blar i Doctoral theses (BioVit) på emneord "distribution"
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Sweet potato production in South Sudan : current status, virus infections and whitefly vector diversity (PhD Thesis;2019:98, Doctoral thesis, 2019)Sweet potato (Ipomoea batatas (L.) Lam.) is an important staple food crop that assures food security in sub-Saharan Africa, especially East Africa. In South Sudan, sweet potato is a main staple food crop for many farming ...