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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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  • Genetic variability for yield and quality characteristics in South African cotton germplasm (Gossypium hirsutum L.)
    颁布单位：[University of the Free State] |  颁布时间：1999 |  实施时间：1999 |  学科分类：[["Genetic, variability","Yield","Fibre","Quality","Cotton","Cotton, --, Breeding, --, South, Africa","Thesis, (Ph.D., (Plant, Breeding))--University, of, the, Free, State,, 1999"]]
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  • The effect of softness genes on the biscuit-making quality of soft wheat
    颁布单位：[University of the Free State] |  颁布时间：1998 |  实施时间：1998 |  学科分类：[["Soft, wheat, --, South, Africa, --, Quality","Soft, wheat, --, Breeding, --, South, Africa","Biscuits, --, Quality","Dissertation, (M.Sc., Agric., (Plant, Breeding))--University, of, the, Free, State,, 1998"]]
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  • Die transpirasie van 'n aantal Karoobossoorte
    颁布单位：[University of the Free State] |  颁布时间：1964 |  实施时间：1964 |  学科分类：[["Botany, --, South, Africa, --, Karoo","Pastures, --, South, Africa, --, Karoo","Shrubs, --, South, Africa, --, Karoo","Dissertation, (M.Sc., (Plant, Science))--University, of, the, Free, State,, 1964"]]
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