颁布单位：[University of the Free State] |  颁布时间：2003 |  实施时间：2003 |  学科分类：[["Dissertation, (M.Sc., (Plant, Sciences, (Botany))--, University, of, the, Free, State., 2003","Plant, gene, expression","Wheat, --, Disease, and, pest, resistance","Russian, wheat, aphid"]]

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颁布单位：[University of the Free State] |  颁布时间：2002 |  实施时间：2002 |  学科分类：[["Wheat, rusts, --, South, Africa","Wheat, --, Disease, and, pest, resistance","Dissertation, (M.Sc., (Plant, Sciences, (Genetics))--University, of, the, Free, State,, 2002"]]

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