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  • Biology and control of Sclerotium rolfsii on groundnut 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：[["Sclerotium, rolfsii","Southern, stem, rot","Population","Mycelial, compatibility, groups","AFLP, analysis","Pathogenicity","Control","Inversion, plough","Integrated, pest, management","Peanuts, --, South, Africa, --, Diseases, and, pests","Thesis, (Ph.D., (Plant, Pathology))--University, of, the, Free, State,, 2001"]]
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  • Control of foliar rusts of wheat in South Africa with special emphasis on Puccinia striiformis f. sp.Tritici
    颁布单位：[University of the Free State] |  颁布时间：2000 |  实施时间：2000 |  学科分类：[["Puccinia, striiformis","Puccinia, triticina","Stripe, rust","Leaf, rust","Pathotypes","Cultivar, resistance","Chemical, control","Seed, treatment","Leaves, --, Diseases, and, pests","Wheat, rusts","Agricultural, chemicals, --, Foliar, application","Thesis, (Ph.D., (Plant, Pathology))--University, of, the, Free, State,, 2001"]]
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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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  • Factors associated with coniothyrium canker of Eucalyptus 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：[["Eucalyptus, --, Diseases, and, pests","Canker, (Plant, disease)","Thesis, (Ph.D., (Microbiology, and, Biochemistry))--University, of, the, Free, State,, 1999"]]
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  • Studies on the survival of Verticillium dahliae in soil
    颁布单位：[University of the Free State] |  颁布时间：1979 |  实施时间：1979 |  学科分类：[["Cotton, --, Diseases, and, pests","Thesis, (Ph.D., (Plant, Pathology))--University, of, the, Free, State,, 1979"]]
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