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2018 cdm epidemic history

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Cucurbit Downy Mildew Epidemic History for 2018

August 3
First report from IN. New reports from VA and NJ. CDM has been confirmed on cucumber in a field in LaGrange County, IN. Incidence and severity are unknown. Estimated date of first symptoms is August 1. CDM has been confirmed on cucumber in the 0.5a sentinel plot in Hunterdon County, NJ. Incidence is 10%; severity is 20%. Estimated date of first symptoms is July 31. CDM has been confirmed on butternut squash in the sentinel plot in Suffolk County, VA. Incidence is 100%; severity is 10%. Estimated date of first symptoms is July 29. CDM has been confirmed on cucumber in fields in Arenac and Saginaw Counties, MI. Incidence and severity are unknown. Estimated date of first symptoms is August 2.

July 31
First reports from TN and MI. New reports from PA and NJ. CDM has been confirmed on cucumber in the sentinel plot in Knox County, TN. Incidence is 100%; severity is 50%. Estimated date of first symptoms is July 23. CDM has been observed on cucumber in a field in Berrien County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 24. CDM has been confirmed on cucumber in the sentinel plot in Lancaster County, PA. Incidence is 5%; severity is 40%. Estimated date of first symptoms is July 30. CDM has been confirmed on jack-o-lantern pumpkin in a home garden in Cumberland County, NJ. Incidence is 10%, severity is 10%. Estimated date of first symptoms is July 31.

July 29
First reports from KY. New report from AL. CDM has been confirmed on cucumber in the sentinel plots in Pulaski and Breathitt Counties, KY. Incidence and severity are unknown. Estimated date of first symptoms is July 27. CDM has been confirmed on cucumber in an home garden in Russell County, AL. Incidence and severity are unknown. Estimated date of first symptoms is July 7.

July 27
New reports from PA, NC, and NJ. CDM has been confirmed on cucumber in a 400 sq ft field in Lehigh County, PA. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 25. CDM has been observed on butternut squash in a 10a field in Cumberland County, NJ. Incidence is 100%, severity is 60%. Estimated date of first symptoms is July 24. CDM has been discovered on cucumber in the sentinel plot in Haywood County, NC. Incidence is 5%, severity is 10%. Estimated date of first symptoms is July 24.

July 22
New reports from NC and VA. CDM has been confirmed on cucumber in a 45 acre field in Henderson County, NC. Incidence is 15%, severity is 40%. Estimated date of first symptoms is July 20. CDM has been observed on cucumber in a 0.25a home garden in Emporia County, VA. Incidence is 100%, severity is 25%. Estimated date of first symptoms is July 10.

July 20
New report from NC. CDM has been confirmed on cucumber in a 0.1a home garden in Chatham County, NC. Incidence is 60%, severity is 90%. Estimated date of first symptoms is July 16.

July 17
First report from VA. New report from NC. CDM has been confirmed on cucumber in an home garden in Dinwiddie County, VA. Incidence is 100%, severity is 25%. Estimated date of first symptoms is July 8. CDM has been confirmed on butternut squash and cucumber in a 0.1a home garden in Hyde County, NC. Incidence is 50%, severity is 100%. Estimated date of first symptoms is July 9.

July 15
New reports from AL and NJ. CDM has been confirmed on butternut squash and cucumber in the sentinel plot in Baldwin County, AL. Incidence is 100%, severity is 35%. Estimated date of first symptoms is June 30. CDM has been confirmed on cucumber in the sentinel plot in Escambia County, AL. Incidence is 100%, severity is 75%. Estimated date of first symptoms is June 26. CDM has been discovered on cucumber in a 0.25a field in Warren County, NJ. Incidence is 100%, severity is 9%. Estimated date of first symptoms is July 9.

July 13
First report from PA. CDM has been confirmed on cucumber in an 400 sq. ft. home garden in Mifflin County, PA. Incidence is 100%, severity is 15%. Estimated date of first symptoms is July 11.

July 8
New reports from DE and MD. CDM has been confirmed on cucumber in a field in Kent County, DE. Incidence and severity are unknown. Estimated date of first symptoms is July 2. CDM has been confirmed on cucumber in the sentinel plot in Wicomico County, MD. Incidence and severity are unknown. Estimated date of first symptoms is July 6.

July 3
First report from NJ. New report from NC. CDM has been confirmed on cucumber in an 18a field in Salem County, NJ. Incidence is 1%, severity is 1%. Estimated date of first symptoms is July 2. CDM has been observed on cucumber in a very tiny home garden in Wake County, NC. Incidence is 100%, severity is 1%. Estimated date of first symptoms is July 1.

June 29
First report from AL. New reports from GA and SC. CDM has been confirmed on cantaloupe, cucumber, and squash in a 1a home garden in Lee County, AL. Incidence is 100%, severity is 50%. Estimated date of first symptoms is June 15. CDM has been confirmed on watermelon in a 30 acre field in Turner County, GA. Incidence is 10%, severity is unknown. Estimated date of first symptoms is June 22. CDM has been observed on cucumber in a field in Darlington County, SC. Incidence and severity are unknown. Estimated date of first symptoms is June 22. CDM has been confirmed on butternut squash in the sentinel plot in Lexington County, SC. Incidence is 10%, severity is 25%. Estimated date of first symptoms is June 24.

June 27
New report from GA. CDM has been confirmed on watermelon in a 20 acre field in Cook County, GA. Incidence is 10%, severity is 35%. Estimated date of first symptoms is June 20.

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.