Spelling suggestions: "subject:"black spot disease ono citrus"" "subject:"black spot disease onn citrus""
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Studies on the black spot disease of citrus caused by Guignardia Citricarpa Kiely with particular reference to its epiphytology and control at LetabaKotze, Johannes Marthinus 18 January 2007 (has links)
Please read the Summary and Conclusions(04chapter4) on pages 141-143 / Thesis (DSc (Agriculture))--University of Pretoria, 1963. / Microbiology and Plant Pathology / unrestricted
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