STK’s Regev Fungicide Approved in Colombia Jul 18, 2018 | Agrochemicals, Biologicals, News Your subscription level does not currently cover this area of our services. Please contact us to find out how to gain access. Username or E-mail Password * Remember Me Forgot Password Tags: Biologicals Companies, Colombia, difenoconazole, Fungicides, Melaleuca alternifolia, Product Approvals, Product Introductions, Rice, STK