Diagnostic Guide for Cucurbit Downy Mildew | APS May 23, 2020September 28, 2023 cuccap Diagnostic Guide for Cucurbit Downy Mildew by Andres Salcedo, Mary Hausbeck, Stacey Pigg, and Lina M. Quesada-Ocampo Published Online:14 May 2020 DOI: 10.1094/PHP-12-19-0095-DG