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    • Citrus black spot is absent in the Western Cape, Northern Cape and Free State Provinces 

      Carstens, Elma; Le Roux, Hendrik F.; Holtzhausen, Michael A.; Van Rooyen, Liezl; Coetzee, Joey; Wentzel, Ria; Laubscher, Wilhelm; Dawood, Zorina; Venter, Elrita; Schutte, Gerhardus C.; Hattingh, Vaughan; Fourie, Paul H. (Academy of Science of South Africa, 2012)
      The South African citrus industry is strongly focused on exports and South Africa is a signatory member of both the World Trade Organisation Agreement on the application of Sanitary and Phytosanitary Measures and the ...