Citrus black spot is absent in the Western Cape, Northern Cape and Free State Provinces by Elma Carstens, Hendrik F. le Roux, Michael A. Holtzhausen, Liezl van Rooyen, Joey Coetzee, Ria Wentzel, Wilhelm Laubscher, Zorina Dawood, Elrita Venter, Gerhardus C. Schutte, Paul H. Fourie, Vaughan Hattingh

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