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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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  • Guild structure and seasonal distribution of insects associated with Amaranthus Hybridus under diverse cultivation practices in the Central Free State
    颁布单位：[University of the Free State] |  颁布时间：2000 |  实施时间：2000 |  学科分类：[["Amarantbus, hybridus","Monoculture","Mixed, cropping","Staggered, planting, dates","Arboreal, insects","Terrestrial, insects","Refugia","Border, areas","Diversity","Feeding, guilds","Amaranths, --, South, Africa, --, Free, State","Amaranths, --, Diseases, and, pests","Dissertation, (M.Sc., Zoology, and, Entomology))--University, of, the, Free, State,, 2000"]]
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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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  • Aspects of the bio-ecology of the biting louse, Damalinia Limbata
    颁布单位：[University of the Free State] |  颁布时间：2000 |  实施时间：2000 |  学科分类：[["Ectoparasitic, infestations","Goat, lice, --, South, Africa, --, Fauresmith","Angora, goat, --, Diseases, and, pests","Phthiraptera","Dam, alinia, limbata","Lice","Angora, goats","Temperature","Instars","Mohair","Body, mass","Mohair, mass","Chemical, control","Dissertation, (M.Sc., (Zoology, and, Entomology))--University, of, the, Free, State,, 2000"]]
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