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2018 cdm epidemic history

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Cucurbit Downy Mildew Epidemic History for 2018

June 17
New reports from NC. CDM has been confirmed on cucumber in a 30 acre field in Nash County, NC. Incidence is 1%, severity is 20%. Estimated date of first symptoms is June 15. CDM has been confirmed on cucumber in a 0.1 acre research plot in Johnston County, NC. Incidence is 1%, severity is 1%. Estimated date of first symptoms is June 15.

June 15
First report from MD. New reports from NC, SC, and GA. CDM has been confirmed on cucumber in a 30a field in Dorchester County, MD. Incidence is .01%, severity is .05%. Estimated date of first symptoms is June 13. CDM has been confirmed on cucumber in the sentinel plot in Edgecombe County, NC. Incidence is 5%, severity is 1%. Estimated date of first symptoms is June 13. CDM has been observed on cantaloupe in a field in Bamburg County, SC. Incidence is unknown, severity is 5%. Estimated date of first symptoms is June 8. CDM has been confirmed on cucumber in a 30 acre field in Decatur County, GA. Incidence is 40%, severity is 25%. Estimated date of first symptoms is June 7.

June 13
First reports from SC. New report from GA. CDM has been confirmed on cucumber in a field in Horry County, SC. Incidence is unknown, severity is unknown. Estimated date of first symptoms is June 6. CDM had been observed on butternut and summer squash in the sentinel plot in Charleston County, SC. Incidence is unknown, severity is unknown. Estimated date of first symptoms is May 31. CDM has been confirmed on cucumber in a 20 acre field in Thomas County, GA. Incidence is unknown, severity is 10%. Estimated date of first symptoms is June 5.

June 6
New report from NC. CDM has been confirmed on cucumber in a 40 acre field in Duplin County, NC. Incidence is 10%, severity is 10%. Estimated date of first symptoms is June 1.

June 4
New report from GA. CDM has been confirmed on cucumber in a 2 acre research plot in Tift County, GA. Incidence is unknown, severity is 10%. Estimated date of first symptoms is May 28.

June 1
New report from NC. CDM has been confirmed on cucumber in a 10 acre field in Wilson County, NC. Incidence is <1%, severity is 20%. Estimated date of first symptoms is May 27.

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.