Browsing Doctoral Degrees (Plant Pathology) by Author "Le Roux, Jacobus."
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Studies on the pathogenicity of Puccinia graminis f. sp. Tritici and the nature of host resistance in wheat. Le Roux, Jacobus. (1986)This study was undertaken to investigate the pathogenic variation of Puccinia graminis f.sp. tritici in South Africa and to determine the nature of host resistance to this fungus. Seventeen pathotypes of wheat stem ...