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  • Etiology of Fusarium crown and root rot of grain sorghum in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2007 |  实施时间：2007 |  学科分类：[["Sorghum, --, Diseases, and, pests, --, South, Africa","Fusarium, diseases, of, plants, --, South, Africa","Root, rots, --, South, Africa, --, Etiology","Thesis, (Ph.D., (Plant, Sciences, (Centre, for, Plant, Health, Management))--University, of, the, Free, State,, 2007"]]
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  • A plant ecological evaluation of mechanical bush thinning in Marakele Park, Limpopo Province
    颁布单位：[University of the Free State] |  颁布时间：2006 |  实施时间：2006 |  学科分类：[["Dissertation, (M.Sc., (Animal,, Wildlife, and, Grassland, Sciences))--University, of, the, Free, State,, 2006","Savanna, ecology, --, South, Africa, --, Limpopo","Invasive, plants, --, Ecology","Invasive, plants, --, South, Africa, --, Limpopo","Bush, encroachment","Dry, matter, yield","Herbaceous, layer","Herbivory","Mechanical, bush, thinning","Soil, enrichment","Braun-Blanquet","BECVOL-model","Barko, Tractor","Rainfall"]]
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  • Fungal diseases of pigeonpea in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2004 |  实施时间：2004 |  学科分类：[["Dissertation, (M.Sc.Agric., (Plant, Sciences:, Plant, Pathology)--University, of, the, Free, State,, 2004","Pigeon, pea, --, Diseases, and, pests, --, South, Africa","Plant-pathogen, relationships, --, South, Africa","Fungal, diseases, of, plants, --, South, Africa"]]
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  • Demand relations of oilseed products in South Africa
    颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Oilseed","Demand, relations","South, Africa","Oilseed, plants, --, South, Africa","Oilseed, products, --, South, Africa","Econometric, models","Dissertation, (M.Com., (Agricultural, Economics))--University, of, the, Free, State,, 2003"]]
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  • Biology of botryosphaeria dothidea and sphaeropsis sapinea as endophytes of eucalypts and pines 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：[["Botryosphaeria, dothidea","Sphaeropsis, sapinea","Eucalyptus","Pinus","Endophyte","Population, genetics","Vegetative, compatibility","Sequencing","Eucalyptus, --, South, Africa, --, Diseases, and, pests","Fungal, diseases, of, plants, --, South, Africa","Thesis, (Ph.D., (Microbiology, and, Biochemistry))--University, of, the, Free, State,, 2001"]]
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  • Genetic variability of tolerance to freezing in South African wheat cultivars
    颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Tolerance, to, freezing","Artificial, freezing","Survival","Leaf, length","Root, length","Variability","Combining, ability","Inheritance","Electrophoresis","High, molecular, weight, proteins","Cold-tolerant, plants, --, South, Africa","Wheat, --, Breeding, --, South, Africa","Thesis, (Ph.D., (Plant, Breeding))--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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  • Oomycetes associated with citrus and eucalypts root rot 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, --, South, Africa","Citrus, --, Diseases, and, pests, --, South, Africa","Fungal, diseases, of, plants, --, South, Africa","Pythium","Phytophthora","Dissertation, (M.Sc., (Microbiology, and, Biochemistry))--University, of, the, Free, State,, 1999"]]
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