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Epidemiology of grain mould of sorghum in South Africa and Ethiopia

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Sorghum, --, Diseases, and, pests, --, South, Africa","Sorghum, --, Diseases, and, pests, --, Ethopia","Thesis, (Ph.D., (Plant, Sciences, (Plant, Pathology))--University, of, the, Free, State,, 2002"]]

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An integrated approach to pest management in field pea, Pisum sativum (L.), with emphasis on pea aphid, Acyrthosiphon pisum (Harris)

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Peas, --, Diseases, and, pests","Pests, --, Control","Agricultural, pests, --, Integrated, control","Thesis, (Ph.D., (Zoology, and, Entomology))--University, of, the, Free, State,, 2002"]]

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Characterization of diseases of kenaf (Hibiscus cannabinus L.) in South Africa

颁布单位：[University of the Free State] | 颁布时间：2002 | 实施时间：2002 | 学科分类：[["Kenaf, (Hibiscus, cannabinus, L.)","Kenaf, --, Diseases, and, pests, --, South, Africa","Cotton, --, Diseases, and, pests, --, Control, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Sciences))--University, of, the, Free, State,, 2002"]]

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