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  • Biology and control of bean anthracnose in Ethiopia
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Common, bean, --, Diseases, and, pests, --, Control, --, Ethiopia","Anthracnose, --, Ethiopia","Thesis, (Ph.D., (Plant, Sciences, (Plant, Pathology))--University, of, the, Free, State,, 2003"]]
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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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  • 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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  • Host-pathogen studies of common rust of maize in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2001 |  实施时间：2001 |  学科分类：[["Corn, --, Diseases, and, pests, --, South, Africa","Plant-pathogen, relationships, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Pathology))--University, of, the, Free, State,, 2002"]]
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  • Pathogenic variability in Puccinia Sorghi on maize in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2000 |  实施时间：2000 |  学科分类：[["Corn, --, Diseases, and, pests, --, South, Africa","Corn, --, Disease, and, pest, resistance, --, Genetic, aspects","Dissertation, (M.Sc.Agric., (Plant, Breeding))--University, of, the, Free, State,, 2000"]]
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  • Pathogenic variability and yield losses associated with rust diseases of barley and oats in South Africa
    颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Puccinia, hordei","Puccinia, coronata, f., sp., avenae","Puccinia, graminis, f., sp., avenae","Pathogenic, variability","Yield, loss","Barley","Oats","Oats, --, Diseases, and, pests, --, South, Africa","Barley, --, Diseases, and, pests, --, South, Africa","Rust, diseases, --, South, Africa","Dissertation, (M.Sc.Agric., (Plant, Pathology))--University, of, the, Free, State,, 1999"]]
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  • Fusarium dry rot of potatoes: etiology, epidemiology, toxicity and control
    颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Fusarium, --, South, Africa","Fungal, diseases, of, plants, --, South, Africa","Potato, --, Diseases, and, pests, --, South, Africa","Thesis, (Ph.D., (Plant, Pathology))--University, of, the, Free, State,, 1999"]]
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