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Cucurbit Downy Mildew Epidemic History for 2018

May 30: First report from NC. CDM has been confirmed on cucumber in a 10 acre field in Sampson County, NC. Incidence is 10%, severity is 5%. Estimated date of first symptoms is May 29

May 25: First report from GA. CDM has been confirmed on cucumber in a 20 acre field in Brooks County, GA. Incidence is 5%, severity is 10%. Estimated date of first symptoms is May 17.

May 15: First report from the U.S. (FL). CDM has been confirmed on cucumber in the sentinel plot in Hillsborough County, FL. Incidence is 5%, severity is 30%. Estimated date of first symptoms is April 26. CDM has also been confirmed on butternut squash in a 5 acre field in Manatee County, FL. Incidence is 15%, severity is 10%. Estimated date of first symptoms is March 3.

Visit The Cucurbit Downy Mildew Forecast Website for epidemic history and the current CDM forecast.