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2015 cdm epidemic history

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Cucurbit Downy Mildew Epidemic History for 2015

October 26
Update from MO. CDM has been confirmed on cucumber in greenhouses in Boone and Saline Counties, MO. Incidence and severity are unknown. Estimated date of first symptoms is early October.

October 9
New report from LA. CDM has been confirmed on acorn squash, jack-o-lantern pumpkin, and cucumber in a 3 acre field in St. Landry Parish, LA. Incidence 90%, severity is 60%. Estimated date of first symptoms is October 2.

September 30 to October 7
No new reports.

September 28
New reports from WV. CDM has been confirmed on cucumber in a home garden in Gilmer County, WV. Incidence 80%, severity is 35%. Estimated date of first symptoms is September 15. CDM has been confirmed on cucumber in a 1 acre field in Kanawha County, WV. Incidence 90%, severity is 50%. Estimated date of first symptoms is September 19.

September 25
New reports from TN. CDM has been confirmed on jack-o-lanter pumpkin in a 10 acre field in Hardeman County, TN. Incidence is100%, severity is unknown. Estimated date of first symptoms is September 1. CDM has been confirmed on acorn squash and cucumber in a 1 acre field in Lauderdale County, TN. Incidence is 100%, severity is 90%. Estimated date of first symptoms is August 15. There also have been updates for a few counties with existing infections.

September 18 - 23
No new reports.

September 16
New reports from AL, MI, and OH. CDM has been confirmed on cucumber in a field in Morgan County, AL. Incidence and severity are unknown. Estimated date of first symptoms is September 3. CDM has been confirmed on butternut squash and pumpkin in a field in Oceana County, MI. Incidence and severity are unknown. Estimated date of first symptoms is September 15. CDM has been confirmed on cucumber and squash in fields in Fayette County, OH. Incidence and severity are unknown. Estimated date of first symptoms is September 12.

September 14
No new reports.

September 11
First report from MO; New report from MA. CDM has been confirmed on butternut squash and cucumber in the sentinel plot in Cole County, MO. Incidence is 65%, severity is 45% for the cucumber; 25% / 15% for the squash. Estimated date of first symptoms is September 8. CDM has been confirmed on butternut squash in a 1 acre field in Norfolk County, MA. Incidence is 90%, severity is 50%. Estimated date of first symptoms is September 4.

September 7,9
No new reports.

September 4
New report from TX. CDM has been confirmed on jack-o-lantern pumpkin in a 30 acre field in Waller County, TX. Incidence is 100%, severity is 5%. Estimated date of first symptoms is August 15.

September 2
New reports from KY. CDM has been confirmed on jack-o-lantern pumpkin in a field in Rowan County, KY. Incidence is unknown, severity is unknown. Estimated date of first symptoms is August 25. CDM has been confirmed on giant pumpkin in a 2 acre field in Christian County, KY. Incidence is 20%, severity is 33%. Estimated date of first symptoms is August 23. CDM has been confirmed on jack-o-lantern pumpkin in a 3 acre field in Todd County, KY. Incidence is 50%, severity is 60%. Estimated date of first symptoms is August 26.

August 31
First report from CT. CDM has been confirmed on zucchini in a field in Hartford County, CT. Incidence is unknown, severity is 75%. Estimated date of first symptoms is August 28.

August 28
Updates. Additional outbreaks have been reported recently in existing counties in NY, SC, DE, MD, and IN.

August 26
New reports from OH, NH, and TN. CDM has been confirmed on jack-o-lantern pumpkin in a 0.23 acre field in Pike County, OH. Incidence is 45%, severity is 25%. Estimated date of first symptoms is August 22. CDM has been confirmed on cucumber in a 1 acre field in Cheshire County, NH. Incidence is 40%, severity is 20%. Estimated date of first symptoms is August 19. CDM has been confirmed on cucumber in a field in Hillsborough County, NH. Incidence and severity are unknown. Estimated date of first symptoms is August 24. CDM has been confirmed on jack-o-lantern pumpkin in a research plot in Cumberland County, TN. Incidence and severity are unknown. Estimated date of first symptoms is August 19.

August 24
New reports from KY and IN. CDM has been confirmed on jack-o-lantern pumpkin in a field in Mercer County, KY. Incidence is 20%, severity is 30%. Estimated date of first symptoms is August 16. CDM has been confirmed on jack-o-lantern pumpkin in a 30 acre field in Jasper County, IN. Incidence is 40%, severity is 25%. Estimated date of first symptoms is August 18.

August 21
First report from NH; New reports from NC and OH. CDM has been confirmed on cucumber in a 1 acre field in Rockingham County, NH. Incidence is 50%, severity is 60%. Estimated date of first symptoms is August 6. CDM has been confirmed on cucumber in a 96 acre field in Herford County, NC. Incidence is 90%, severity is 30%. Estimated date of first symptoms is August 18. CDM has been confirmed on jack-o-lantern pumpkin in a 4 acre field in Scioto County, OH. Incidence is 30%, severity is 50%. Estimated date of first symptoms is August 10.

August 19
Updates from several areas. Additional outbreaks have been reported recently in various counties ... including Prince George's County, MD; Norfolk, ON; and Suffolk, NY.

August 17
New reports from NC, DE, VA, and MI. CDM has been confirmed on acorn and butternut squash in a 2 acre field in Orange County, NC. Incidence is 80%, severity is 50%. Estimated date of first symptoms is August 3. CDM has been observed on jack-o-lantern pumpkin in fields in Kent and New Castle Counties, DE. Incidence and severity are unknown. Estimated date of first symptoms is August 8. CDM has been confirmed on watermelon in a 40 acre field in Southampton County, VA. Incidence is 30%; severity is 80%. Estimated date of first symptoms is August 14. CDM has been confirmed on cucumber in a home garden in Mason County, MI. Incidence and severity are unknown. Estimated date of first symptoms is August 17.

August 14
New reports from NY, PA, and SC. CDM has been confirmed on cucumber in a 1.5 acre commercial field in Schoharie County, NY. Incidence is 90%, severity is 75%. Estimated date of first symptoms is August 2. CDM has been confirmed on cucumber in a 1 acre commercial field in Fulton County, NY. Incidence is 50%, severity is 10%. Estimated date of first symptoms is August 6. CDM has been confirmed on cucumber in a 0.5 acre field in Washington County, NY. Incidence is 90%, severity is 75%. Estimated date of first symptoms is August 10. CDM has been confirmed on cucumber in a small field in Erie County, PA. Incidence is 80%, severity is unknown. Estimated date of first symptoms is August 1. CDM has been observed on processing and jack-o-lantern pumpkin in a 1 acre home garden in Pickens County, SC. Incidence is 30%, severity is 35%. Estimated date of first symptoms is August 1.

August 12
First reports from WV and MA; new reports from NY, KY, PA, and MI. CDM has been confirmed on cucumber in a 0.15 acre home garden in Mercer County, WV. Incidence is 70%, severity is 20%. Estimated date of first symptoms is July 22. CDM has been confirmed on cucumber in the sentinel plot in Monongalia County, WV. Incidence is 50%, severity is 10%. Estimated date of first symptoms is August 6. CDM has been confirmed on cucumber in a tiny research plot in Franklin County, MA. Incidence is 100%, severity is 10%. Estimated date of first symptoms is August 9. CDM has been confirmed on cucumber in a small research plot in Suffolk County, NY. Incidence is 100%, severity is 3%. Estimated date of first symptoms is August 10. CDM has been confirmed on jack-o-lantern pumpkin in a 4 acre field in Lincoln County, KY. Incidence is 50%, severity is 50%. Estimated date of first symptoms is August 4. CDM has been discovered on jack-o-lantern pumpkin in a 5 acre field in Clark County, KY. Incidence and severity are unknown. Estimated date of first symptoms in August 9. CDM has been confirmed on butternut squash and cucumber in a 7.5 acre field in Blair County, PA. Incidence is 10%, severity is unknown. Estimated date of first symptoms is August 5. CDM has been confirmed on cucumber in a home garden in Genesee County, MI. Incidence is unknown, severity is unknown. Estimated date of first symptoms is August 11. CDM has been confirmed on cucumber in a field in Ottawa County, MI. Incidence and severity are unknown. Estimated date of first symptoms is August 12.

August 10
First report from OK; new reports from VA, MD, NC, OH, and PA. CDM has been discovered on watermelon in a field in McCurtain County, OK. Incidence and severity are unknown. Estimated date of first symptoms is July 28. CDM has been confirmed on squash and cantaloupe in the sentinel plot in Accomack County, VA. Incidence is 100%, severity is 20%. Estimated date of first symptoms is August 3. CDM has been confirmed on cantaloupe in the sentinel plot in Prince George's County, MD. Incidence and severity are unknown. Estimated date of first symptoms is August 6. CDM has been confirmed on jack-o-lantern pumpkin and giant pumpkin in a 1 acre field in Chowan County, NC. Incidence is 10%, severity is 10%. Estimated date of first symptoms is August 5. CDM has been confirmed on cucumber in a 2 acre field in Erie County, OH. Incidence is 50%, severity is 30%. Estimated date of first symptoms is August 4. CDM has been confirmed on cucumber in a research plot in Clark County, OH. Incidence is 75%, severity is 20%. Estimated date of first symptoms is July 23. CDM has been confirmed on butternut squash in a 1 acre field in Northumberland County, PA. Incidence is 80%, severity is 20%. Estimated date of first symptoms is August 4. CDM has been confirmed on jack-o-lantern pumpkin in a 10 acre field in Delaware County, PA. Incidence is 80%, severity is unknown. Estimated date of first symptoms is August 3.

August 7
New reports from PA and MI. CDM has been confirmed on jack-o-lantern pumpkin in a 7 acre commercial field in Chester County, PA. Incidence is 100%, severity is 50%. Estimated date of first symptoms is July 24. CDM has been confirmed on cucumber in a 0.25 acre field in Bucks County, PA. Incidence is 50%, severity is unknown. Estimated date of first symptoms is August 5. CDM has been confirmed on butternut squash in a field in Newaygo County, MI. Incidence and severity are unknown. Estimated date of first symptoms is August 6.

August 5
New reports from NC, IL, MI, and QC. CDM has been confirmed on cantaloupe in a 0.1 acre research plot in Henderson County, NC. Incidence is 40%, severity is 40%. Estimated date of first symptoms is July 31. CDM has been confirmed on pumpkin in a 77 acre field in Mason County, IL. Incidence is 100%, severity is 20%. Estimated date of first symptoms is July 30. CDM has been confirmed on cucumber in fields in Calhoun and Clare Counties, MI. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 29 (Calhoun) and August 4 (Clare). CDM has been confirmed on cucumber in a 5 acre field in Drummond County, QC. Incidence is 3%, severity is 20%. Estimated date of first symptoms is July 31.

August 3
New reports from IN and PA. CDM has been confirmed on cucumber in the sentinel plot in LaPorte County, IN. Incidence is 30%, severity is 10%. Estimated date of first symptoms is July 30. CDM has been confirmed on cucumber in the sentinel plot and a nearby research plot in Centre County, PA. Incidence and severity are less than 1% in each plot. Estimated date of first symptoms is August 3 in each case.

July 31
First report from Quebec. New reports from MI, NC, MD, PA, NY, TN, and KY. CDM has been confirmed on cucumber in a 10 acre field in L'Assomption County, QC. Incidence is 1%, severity is 15%. Estimated date of first symptoms is July 28. CDM has been confirmed on cucumber in a field in Muskegon, Lapeer, and Sanilac Counties, MI. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 30 or 31. CDM has been confirmed on cucumber and butternut squash in the sentinel plot in New Hanover County, NC. Incidence is 100%, severity is 20%. Estimated date of first symptoms is July 21. CDM has been confirmed on cucumber in a home garden in Warren County, NC. Incidence is 80%, severity is 80%. Estimated date of first symptoms is July 17. CDM has been confirmed on cantaloupe in a field in Howard County, MD. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 29. CDM has been confirmed on cucumber in a 1 acre field in Snyder County, PA. Incidence is 1%, severity is 5%. Estimated date of first symptoms is July 25. CDM has been confirmed on cucumber in a research plot in Ontario County, NY. Incidence is 60%, severity is 1%. Estimated date of first symptoms is July 27. CDM has been confirmed on cucumber in a 1 acre research plot in Ontario County, NY. Incidence is 1%, severity is 1%. Estimated date of first symptoms is July 29. CDM has been confirmed on jack-o-lantern pumpkin in a field in Lawrence County, TN. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 26. CDM has been confirmed on butternut squash and cucumber in a home garden in Knox County, TN. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 26. CDM has been confirmed on cucumber in a home garden in Russell County, KY. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 26. CDM has been confirmed on cucumber in a field in Casey County, KY. Incidence is 75%, severity is unknown. Estimated date of first symptoms is July 23.

July 29
New reports from MI, VA, KY, MD, NY, and PA. CDM has been confirmed on cucumber in the sentinel plot in Ingham County, MI. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 27. CDM has been confirmed on cucumber in commercial fields in Clinton and Saginaw Counties, MI. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 28 in both cases. CDM has been confirmed on cucumber in a field in Allen County, KY. Incidence is unknown, severity is unknown. Estimated date of first symptoms is July 20. CDM has been confirmed on cucumber in the sentinel plot in Accomack County, VA. Incidence is 10%, severity is 1%. Estimated date of first symptoms is July 24. CDM has been confirmed on cantaloupe in a research plot in Wicomico County, MD. Incidence is 20%, severity is 30%. Estimated date of first symptoms is July 24. CDM has been confirmed on cucumber in a very small field in Steuben County, NY. Incidence is 30%, severity is 10%. Estimated date of first symptoms is July 28. CDM has been confirmed on butternut squash in a 4 acre field in Columbia County, PA. Incidence is 75%, severity is 35%. Estimated date of first symptoms is July 20. 

July 27
New reports from AL, KY, and MI. CDM has been confirmed on butternut squash, cucumber, and jack-o-lantern pumpkin in the sentinel plot in Escambia County, AL. Incidence is 100%, severity is 40%. Estimated date of first symptoms is July 5. CDM has been confirmed on cucumber in the sentinel plot in Limestone County, AL. Incidence is 100%, severity is 25%. Estimated date of first symptoms is July 16. CDM has been confirmed on cucumber in the sentinel plot in Breathitt County, KY. Incidence and severity are unknown. Estimated date of first symptoms is July 23. CDM has been confirmed on cucumber in fields in Isabella and Arenac Counties, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 25.

July 24
New reports from AL, KY, MI, NC, and PA. CDM has been confirmed on cucumber in the sentinel plot in Cullman County, AL. Incidence is 100%, severity is 10%. Estimated date of first symptoms is July 6. CDM has been confirmed on cucumber and jack-o-lantern pumpkin in the sentinel plot in Lee County, AL. Incidence is 100%, severity is 10%. Estimated date of first symptoms is July 4. CDM has been confirmed on cucumber in a field in Breckinridge County, KY. Incidence and severity are unknown. Estimated date of first symptoms is July 21. CDM has been confirmed on cucumber in fields in Midland and Bay Counties, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 23. CDM has been confirmed on cucumber in a 2 acre research plot in Calhoun County, MI. Incidence is 1%, severity is 1%. Estimated date of first symptoms is July 24. CDM has been confirmed on cucumber in a 0.1 acre home garden in Lincoln County, NC. Incidence is 100%, severity is 100%. Estimated date of first symptoms is July 23. CDM has been confirmed on acorn / yellow squash in a 10 acre field in Guilford County, NC. Incidence is 30%, severity is 20%. Estimated date of first symptoms is July 14. CDM has been confirmed on jack-o-lantern pumpkin in a 0.5 acre field in Clinton County, PA. Incidence is 100%, severity is 75%. Estimated date of first symptoms is July 23. CDM has been confirmed on cucumber in a 1/4 acre field in Lawrence County, PA. Incidence is 25%, severity is unknown. Estimated date of first symptoms is July 20.

July 22
First report from KY, IL, and IN. New reports from TN, SC, VA, TX, NJ, and MI. CDM has been confirmed on cucumber in the sentinel plot in Fayette County, KY. Incidence is 10%, severity is unknown. Estimated date of first symptoms is July 20. CDM has been confirmed on cucumber in a field in Adair County, KY. Incidence and severity are unknown. Estimated date of first symptoms is July 20. CDM has been confirmed on watermelon in a 100 acre field in Lawrence County, IL. Incidence is 10%; severity is 5%. Estimated date of first symptoms is July 14. CDM has been confirmed on watermelon in a 50 acre field in Knox County, IN. Incidence is 100%; severity is 20%. Estimated date of first symptoms is July 14. CDM has been confirmed on watermelon in a separate 2 and 3 acre fields in Hampton County, SC. Incidence is 100% in each field; severity is 10% and 20%. Estimated date of first symptoms is July 1. CDM has been confirmed on cucumber in the sentinel plot in Suffolk County, VA. Incidence is 60%, severity is 20%. Estimated date of first symptoms is July 18. CDM has been confirmed on watermelon in a 40 acre field in Hamilton County, TX. Incidence is 100%; severity is 10%. Estimated date of first symptoms is July 10. CDM has been confirmed on buttternut squash in the sentinel plot in Hunterdon County, NJ. Incidence is 10%, severity is 10%. Estimated date of first symptoms is July 20. CDM has been confirmed on cantaloupe and cucumber in the sentinel plot in Berrien County, MI. Incidence is 10%, severity is unknown. Estimated date of first symptoms is July 21.

July 20
First report from WI. New reports from NY and NC. CDM has been confirmed on cantaloupe and cucumber in a 0.2 acre research plot in Dane County, WI. Incidence and severity are 10%. Estimated date of first symptoms is July 20. CDM has been confirmed on cucumber in a 0.1 acre field in Haywood County, NC. Incidence is 50%, severity is 80%. Estimated date of first symptoms is July 13. CDM has been confirmed on cucumber in a field in Yates County, NY. Incidence and severity are unknown. Estimated date of first symptoms is July 15. CDM has been confirmed on cucumber in a home garden in Robertson County, TN. Incidence and severity are unknown. Estimated date of first symptoms is July 13.

July 17
New reports from NC, PA, and SC. CDM has been confirmed on cucumber in the sentinel plot in Rowan County, NC. Incidence is 15%; severity is 1%. Estimated date of first symptoms is July 15. CDM has been confirmed on buttternut squash in a 3 acre field in Lancaster County, PA. Incidence is 75%, severity is 20%. Estimated date of first symptoms is July 16. CDM has been confirmed on cucumber in a 2 acre field in Horry County, SC. Incidence and severity are unknown. Estimated date of first symptoms is July 7.

July 15
First report from TN. New reports from PA, NY, and OH. CDM has been confirmed on cantaloupe in a home garden in Williamson County, TN. Incidence and severity are unknown. Estimated date of first symptoms is July 10. CDM has been confirmed on cucumber in a home garden in Davidson County, TN. Incidence and severity are unknown. Estimated date of first symptoms is July 10. CDM has been confirmed on cucumber in a 0.1 acre field in Elk County, PA. Incidence is 20%; severity is unknown. Estimated date of first symptoms is July 2. CDM has been confirmed on cucumber in a 5 acre field in Niagara County, NY. Incidence is 40%; severity is 35%. Estimated date of first symptoms is July 8. CDM has been confirmed on cucumber in a 1 acre field in Monroe County, NY. Incidence is 20%; severity is 20%. Estimated date of first symptoms is July 8. CDM has been confirmed on cucumber in a 0.5 acre field in Genesee County, NY. Incidence is 3%; severity is 5%. Estimated date of first symptoms is July 12. CDM has been confirmed on cucumber in a 0.25 acre field in Wayen County, NY. Incidence is 3%; severity is 15%. Estimated date of first symptoms is July 13. CDM has been confirmed on cucumber in the sentinel plot in Huron County, OH. Incidence and severity are 1%. Estimated date of first symptoms is July 13.

July 13
New reports from ON, NC, TX, and MI. CDM has been confirmed on cucumber in a home garden in Wake County, NC. Incidence is 1%; severity is 1%. Estimated date of first symptoms is July 12. CDM has been confirmed on cucumber in a field in Norfolk County, ON. Incidence and severity are unknown. Estimated date of first symptoms is July 3. CDM has been confirmed on watermelon in a 100 acre field in Waller County, TX. Incidence is 70%; severity is 2%. Estimated date of first symptoms is July 1. CDM has been confirmed on cucumber in a field in Tuscola County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 13. CDM has been confirmed on cucumber in a home garden in Macomb County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 13.

July 10
First report from NJ. New reports from MI and AL. CDM has been confirmed on cucumber in a 10 acre field in Salem County, NJ. Incidence is 5%; severity is 5%. Estimated date of first symptoms is July 9. CDM has been confirmed on cucumber in a field in Livingston County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 8. CDM has been confirmed on buttternut squash in the sentinel plot in Jefferson County, AL. Incidence is 100%, severity is 5%. Estimated date of first symptoms is June 28.

July 8
First report from PA. New reports from NC, SC, MD, MI, OH, and NY. CDM has been confirmed on cucumber in a small field in Berks County, PA. Incidence is 95%; severity is 95%. Estimated date of first symptoms is June 23. CDM has been confirmed on cucumber in a 10 acre field in Nash County, NC. Incidence is 40%; severity is 40%. Estimated date of first symptoms is July 1. CDM has been confirmed on watermelon in 2 fields in Colleton County, SC. Incidence and severity in the 20 acre field are 35% and 10%. Incidence and severity in the 30 acre field are 30% and 15%. Estimated date of first symptoms in both fields is June 27. CDM has been confirmed on cucumber in a home garden and a field in Spartanburg County, SC. Incidence is 100% in the home garden; incidence and severity are unknown otherwise. Estimated date of first symptoms is June 29 and July 1, respectively. CDM has been confirmed on cucumber in a 25 acre field in Caroline County, MD. Incidence and severity are unknown. Estimated date of first symptoms is July 6. CDM has been confirmed on cucumber in a field in Allegan County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 5. CDM has been confirmed on cucumber in the sentinel plot in Sandusky County, OH. Incidence is 20%; severity is 5%. Estimated date of first symptoms is July 6. CDM has been confirmed on cucumber in a field in Wayne County, OH. Incidence and severity are unknown. Estimated date of first symptoms is June 30. CDM has been confirmed on cucumber in a field in Alleghany County, NY. Incidence is 5%; severity is 40%. Estimated date of first symptoms is July 7. CDM has been confirmed on cucumber in a greenhouse in Orleans County, NY. Incidence is 7%; severity is 1%. Estimated date of first symptoms is July 4.

July 6 
First reports from AL and VA. New report from MI. CDM has been confirmed on cucumber in the sentinel plots in Macon County and Escambia County, AL. Incidence is 100%; severity is unknown. Estimated date of first symptoms is June 24. CDM has been confirmed on cucumber in a home garden in Dinwiddie County, VA. Incidence is 50%; severity is 10%. Estimated date of first symptoms is June 30. CDM has been confirmed on cucumber in a field in Gratiot County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 3.

July 3
First reports from DE and MD. CDM has been confirmed on watermelon in a field in Sussex County, DE. Incidence is 5%; severity is 60%. Estimated date of first symptoms is June 27. CDM has been confirmed on watermelon in a 9 acre field in Dorchester County, MD. Incidence and severity are unknown. Estimated date of first symptoms is July 1.

July 1
First report from NY. New report from NC. CDM has been confirmed on cucumber in a field in Erie County, NY. Incidence and severity are unknown. Estimated date of first symptoms is June 30. 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 28.

June 29
First report from OH. New reports from NC and GA. CDM has been confirmed on cucumber in a 32 acre field in Seneca County, OH. Incidence is 30%; severity is 20%. Estimated date of first symptoms is June 22. CDM has been confirmed on cucumber in a 30 acre field in Duplin County, NC. Incidence are severity are unknown. Estimated date of first symptoms is June 24. CDM has been confirmed on cucumber in fields in Johnston County, NC. Incidence is unknown; severity is 10% in one field, 15% in another. Estimated date of first symptoms is June 20. CDM has been confirmed on watermelon in a 30 acre field in Sumter County, GA. Incidence is 20%, severity is unknown. Estimated date of first symptoms is June 12.

June 26
New Reports from ON and SC. CDM has been confirmed on cucumber in a commercial field in Elgin County, ON. Incidence is 10%; severity is 1%. Estimated date of first symptoms is June 25. CDM has been confirmed on cucumber in a home garden in Marion County, SC. Incidence and severity are unknown. Estimated date of first symptoms is June 18.

June 24
First reports from MI and Ontario, Canada. New reports from SC. CDM has been confirmed on cucumber in a home garden in Monroe County, MI. Incidence and severity are unknown. Estimated date of first symptoms is June 22. CDM has been confirmed on cucumber in a comercial field in Chatham-Kent County, ON. Incidence is 0.5%, severity is 1%. Estimated date of first symptoms is June 22. CDM has been confirmed on cantaloupe and watermelon in separate plantings totalling 4 acres in Beaufort County, SC. Incidence is 100%; severity is 20%. Estimated date of first symptoms is June 10. CDM has been confirmed on cucumber in a home garden in Dillon County, SC. Incidence and severity are unknown. Estimated date of first symptoms is June 15.

June 19
New Reports from NC and LA. CDM has been confirmed on cucumber in a 1.5 acre research plot in Lenoir County, NC. Incidence is 1%; severity is 1%. Estimated date of first symptoms is June 15. CDM has been confirmed on cucumber in the sentinel plot in East Baton Rouge Parish, LA. Incidence is 75%; severity is 5%. Estimated date of first symptoms is June 18. CDM has been reported on cantaloupe in a large commercial field in Bamberg County, SC.

June 17
New Reports from LA and SC. CDM has been confirmed on cucumber in a small home garden in Tangipahoa Parish, LA. Incidence is 50%; severity is 85%. Estimated date of first symptoms is June 12. CDM has been confirmed on cucumber in a 0.2 acre field in St. Helena Parish, LA. Incidence is 10%; severity is 5%. Estimated date of first symptoms is June 15. CDM has been confirmed on cucumber in a research plot in Florence County, SC. Incidence and severity are unknown. Estimated date of first symptoms is June 10.

June 15
First report from NC. CDM has been confirmed on cucumber in a 1 acre research plot in Sampson County, NC. Incidence is 5%, severity is 5%. Estimated date of first symptoms is June 12.

June 10
First report from LA. CDM has been confirmed on cucumber in a 800 sq ft field in Livingston Parish, LA. Incidence is 100%, severity is 5%. Estimated date of first symptoms is June 4. CDM has been reported in a 2 acre field of watermelon and a 1 acre field of cantaloupe in Charleston County, SC. Incidence is 100%, severity is unknown. Estimated date of first symptoms is May 25. CDM has also moved to other hosts in the sentinel plot in Charleston County, SC.

 At the research plot, incidence isJune 5
New Reports from SC. CDM has been confirmed on cucumber in a research plot and the sentinel plot in Charleston County, SC. In the sentinel plot, incidence is 20%; severity is 10%. Estimated date of first symptoms is June 3. 90%, severity is 50%. Estimated date of first symptoms is June 2.

May 29
First reports from SC. CDM has been confirmed on cucumber in a 12 acre field in Clarendon County, SC. Incidence is 100%, severity is 10%. Estimated date of first symptoms is May 22. CDM has been confirmed on watermelon in a 32 acre field in Bamberg County, SC. Incidence is 1%, severity is 1%. Estimated date of first symptoms is May 23.

May 27
New Report from GA. CDM has been confirmed on cucumber in a 50 acre field in Cook County, GA. Incidence is 40%; severity is unknown. Estimated date of first symptoms is May 26.

May 20
New Report from GA. CDM has been confirmed on cantaloupe in a 50 acre field in Tift County, GA. Incidence is 15%; severity is unknown. Estimated date of first symptoms is May 15.

May 8
New Report from GA. CDM has been confirmed on cucumber in a 20 acre field in Colquitt County, GA. Incidence is 20%; severity is 50%. Estimated date of first symptoms is May 3.

April 29
First report from TX. CDM has been confirmed on watermelon in a 120 acre field in Hidalgo County, TX. Incidence is 1%, severity is 10%. Estimated date of first symptoms is April 15. Update April 30 from FL: CDM has moved to 3 more hosts in the sentinel plot in Hillsborough County.

April 24/27
First report from GA. CDM has been confirmed on yellow / acorn squash in a 50 acre field in Echols County, GA. Incidence is 40%, severity is unknown. Estimated date of first symptoms is April 13.

April 10
New Report from FL.
CDM has been confirmed on cucumber and yellow squash in the sentinel plot in Hillsborough County, FL. Incidence is around 20% each host; severity is 1% cucumber, 15% squash. Estimated date of first symptoms is April 6.

April 6
Update from FL.
CDM has been confirmed on giant pumpkin, cucumber, and both varieties of squash in the sentinel plot in Miami-Dade County, FL. Incidence varies between 10% and 30%; severity between 0.1% and 2% (greatest numbers on yellow squash). Estimated date of first symptoms is March 26.

Late January to March 31
No new reports or updates.

January 21
First report from the U.S. (FL). CDM has been confirmed on yellow / acorn squash in a 200 sq ft research plot in Miami-Dade County, FL. Incidence is 100%, severity is 15%. Estimated date of first symptoms is January 14.