Browsing Doctoral Degrees (Plant Pathology) by Advisor "Pretorius, Zacharias Andries."
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Studies on Puccinia recondita f. sp. tritici with special emphasis on adult plant resistance in wheat. (1986)Leaf rust (Puccinia recondita f.sp. tritici) of wheat (Triticum aestivum) was widespread in South Africa during 1983, 1984 and 1985 and often reached epidemic levels, especially on autumn-sown spring wheat in the Cape ...