Cucumber Downy Mildew Update – June 14, 2013

Nathan Kleczewski, Extension Specialist – Plant Pathology; and Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland;

Cucumber Downy Mildew has been reported in a research farm in Johnson County, North Carolina. Recent storms have likely facilitated in the movement of the pathogen into the area. Forecasting models located at indicate that the pathogen is likely to spread to Delaware and Maryland. Growers should consider applying fungicides protectively to prevent severe losses resulting from the disease. Fungicide recommendations can be found in the Cucurbit Downy and Powdery Mildew Article found in this issue of WCU or at the University of Delaware website