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2012 CDM Epidemic History

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Cucurbit Downy Mildew Epidemic History for 2012

November 2, 5
No new reports. Host availability continues to shrink with the end of the growing season in additional areas.

October 26, 29, 31
No new reports. The growing season has ended in various portions of the North and parts of the Ohio Valley.

October 24
New Report from KY. CDM has confirmed on squash in a high hoop house in Casey County, KY. Incidence is 100%, severity is 50%. Estimated date of first symptoms is October 9.  

October 22
No new reports or updates

October 19
New Report from AL. CDM has been confirmed on cucumber and squash in a field in Chilton County, AL. Incidence and severity are unknown. Estimated date of first symptoms is October 1. CDM has moved to additional hosts in the NC sentinel plots in Rowan, Edgecombe, and New Hanover Counties. 

October 15, 17
No new reports or updates.

October 12
Updates from SC and NC. CDM has been reported on watermelon in a 1 acre research plot in Charleston County, SC. CDM has moved to additional hosts in sentinel plots in NC. 

October 10
Update. The growing season has ended in portions of the North and Ohio Valley, affecting sites in MN, MI, IL, IN, and ON.

October 8
New Report from IL. CDM has been confirmed on cucumber in a small commercial field in Champaign County, IL. Incidence is 70%, severity is 10%. Estimated date of first symptoms is September 20. This outbreak is now defunct.

October 5
Update from FL. CDM has been confirmed on cucumber and cantaloupe in a 2 acre research plot in Collier County, FL. Incidence is 50%, severity is 40%. Estimated date of first symptoms is September 24.

October 3
New Reports from GA. CDM has been confirmed on cucumber in a 2 acre research plot in Lowndes County, GA. Incidence is 30%, severity is 10%. Estimated date of first symptoms is September 26. CDM has been discovered on cucumber in a 10 acre field in Macon County, GA. Incidence is 50%, severity is 15 %. Estimated date of first symptoms is September 11. CDM has moved to additional hosts in the sentinel plots in Haywood, Henderson, and Rowan Counties, NC.

October 1
First Report from TX. New Report from AL. CDM has been confirmed on cantaloupe, cucumber, and watermelon in a 1 acre research plot in Brazos County, TX. Incidence is 100%, severity is 90%. Estimated date of first symptoms is September 28. CDM has been observed on pumpkin in a field in Clay County, AL. Estimated date of first symptoms is September 15. 

September 28
New Reports from TN, OH, and AL. CDM has been confirmed on squash in a 3 acre field in Hickman County, TN. Incidence is 100%, severity is 20%. Estimated date of first symptoms is September 18. CDM has been discovered on cucumber in a 1.5 acre field in Mahoning County, OH. Incidence is 100%, severity is 25%. Estimated date of first symptoms is September 21. CDM has been confirmed on pumpkin in a field in Limestone County, AL. No details are available.

September 26
No new reports. Update: CDM has been reported in a field of pumpkin in Cullman County, AL. CDM has also appeared on new / additional hosts in the sentinel plot in Charleston County, SC as well as in several sentinel plots in NC. 

September 24
New Reports from TN. CDM has been confirmed on pumpkin in a research plot in Robertson County, TN. Incidence is 20%, severity is 5%. Estimated date of first symptoms is September 5. CDM has been observed on cucumber in a very large, 100 acre field in Rhea County, TN. Incidence is 100%, severity is 25%. Estimated date of first symptoms is August 20. 

September 21
No new reports. CDM has move to additional hosts in the sentinel plots in Rowan County, NC and Charleston County, SC.

September 19
No new reports or updates.

September 17
New Report from SC. CDM has been confirmed on cantaloupe in a home garden in Laurens County, SC. Incidence is 100%. Estimated date of first symptoms is August 25. A research plot in Sampson County, NC now has CDM. CDM has spread to additional host in the sentinel plot in New Hanover County, NC.

September 14
Update from OH. CDM has been confirmed on cucumber in a field in Huron County, OH.

September 12
No new reports or updates.

September 10
Update from IN and NC. CDM has been confirmed on additional hosts in the sentinel plots in Knox County, IN; and Johnston and Lenoir Counties, NC.

September 7
New Reports from KY. Update from GA. CDM has been confirmed on cucumber and squash in a home garden in Knott County, KY. Incidence is 100%, severity is 60%. Estimated date of first symptoms is August 24. CDM has been observed on cucumber in a small field in Lincoln County, KY. Incidence is 65%, severity is 15%. Estimated date of first symptoms is August 29. CDM has been confirmed on cucumber and pumpkin in a field in Wayne County, KY. Incidence and severity are unknown. Estimated date of first symptoms is August 30. CDM has also been reported on cucumber in a 1 acre research plot in Tift County, GA. Incidence is 100%, severity is 40%. Estimated date of first symptoms is August 27.

September 5
First Report from MN. New Reports from KY, MI, and NC. CDM has been confirmed on cucumber in a research plot in Ramsey County, MN. Incidence is 35%, severity is 50%. Estimated date of first symptoms is September 4. CDM was reported in a commercial field, on cucumber, in Henderson County, KY. Incidence is 50%, severity is 25%. Estimated date of first symptoms is August 24. CDM has been confirmed on cucumber in home gardens in Calhoun and Oakland Counties, MI. Estimated date of first symptoms is August 31 in both locations. CDM has been confirmed on cucumber in a commercial field in Person County, NC. Incidence is 50%, severity is unknown. Estimated date of first symptoms is August 22. 

September 2
No new reports or updates.   

August 31
New Reports from KY, IN, MA, and TN. CDM has been confirmed on cucumber in a field in Christian County, KY. Incidence is 100%, severity is 100%. Estimated date of first symptoms is August 9. CDM has been confirmed on squash and pumpkin in a 5 acre field in Larue County, KY. Incidence is 5%, severity is 25%. Estimated date of first symptoms is August 22. CDM has been observed on cucumber in the sentinel plot in Knox County, IN. One lesion on one leaf was found. Estimated date of first symptoms is August 24. CDM has been confirmed on pumpkin in a 2 acre field in Franklin County, MA. Incidence is unknown; severity of the samples is 50%. Estimated date of first symptoms is August 28. CDM has been observed on pumpkin in a 10 acre field in Hardeman County, TN. Incidence is 80%, severity is 10%. Estimated date of first symptoms is August 20. CDM has moved to another host (Butternut squash) in the sentinel plot in Huron County, OH. There is also another find of CDM in Suffolk County, NY, on pumpkin in a 5 acre field. Incidence is 100%, severity 10%, first symptoms estimated at August 22.  

August 29
New Report from KY. CDM has been confirmed on cucumber in a 2 acre field in Laurel County, KY. Incidence is 90%, severity is 30%. Estimated date of first symptoms is August 13. There are also new reports of CDM in counties already affected: Sampson, NC; Suffolk, NY; and Cullman, AL.

August 27
New Report from FL. CDM has been confirmed on pumpkin in a 5 acre field in Santa Rosa County, FL. Incidence is <5%, severity is 75%. Estimated date of first symptoms is August 19. CDM has been observed on pumpkin in the sentinel plots in Suffolk County, NY and Wicomico County, MD. CDM has been discovered in a new, small field in Wayne County, OH.

August 24
New Report from OH. CDM has been confirmed on cucumber in a 1 acre field in Medina County, OH. Incidence is 25%, severity is 10%. Estimated date of first symptoms is August 23. CDM has been found in additional locations in Wayne and Sandusky Counties, OH; on squash and cantaloupe in a research plot in Johnston County, NC; and on additional hosts in the sentinel plot in Huron County, OH. 

August 22
New Reports from MI and NC. CDM has been confirmed on cucumber in a 5 acre field in Monroe County, MI. Incidence is 20%, severity is unknown. Estimated date of first symptoms is August 16. CDM has been confirmed on cucumber in a field in Muskegon County, MI. Incidence and severity are unknown. Estimated date of first symptoms is August 20. CDM has been observed on pumpkin in a 0.25 acre field in Chatham County, NC. Incidence is 50%, severity is 40%. Estimated date of first symptoms is August 13. CDM has been confirmed on pumpkin and 2 squash varieties in a 0.75 acre field in Ashe County, NC. Incidence is 80%, severity is 60%. Estimated date of first symptoms is July 19. 

August 20
New Reports from MI, NY, KY, MA, and WV. CDM has been confirmed on cantaloupe and cucumber in a field in Cass County, MI. Incidence is 100%, severity is unknown. Estimated date of first symptoms is August 10. CDM has been observed on cucumber in a tiny home garden in Lapeer County, MI. Incidence is 100%, severity 50%. Estimated date of first symptoms is August 15. CDM has been confirmed on cucumber in a 0.3 acre research plot in Cayuga County, NY. Incidence is 50%, severity is 100%. Estimated date of first symptoms is August 16. CDM has been confirmed on cucumber in the sentinel plot in Fayette County, KY. Incidence is 5%, severity 10%. Estimated date of first symptoms is August 17. CDM has been observed on cucumber in a home garden in Hampshire County, MA. Incidence and severity are 25%. Estimated date of first symptoms is August 19. CDM has been confirmed on cucumber in a home garden in Monongalia County, WV. Incidence is 70%, severity 65%. Estimated date of first symptoms is August 4. CDM has moved to watermelon in the sentinel plot in Wicomico County, MD. 

August 17
New Reports from AL, WV, NY, MD, and OH. CDM has been confirmed on pumpkin in commercial fields in Bullock and Walker Counties, AL. Incidence is 5% in one 3 acre field; incidence in the other field and severities are unknown. Estimated dates of first symptoms are August 8 and 9. CDM has been observed on cucumber in a home garden in Jefferson County, WV. Incidence is 55%, severity is 50%. Estimated date of first symptoms is August 2. CDM has been confirmed on cucumber in a 5 acre field in Alleghany County, NY. Incidence is 2%, severity is 25%. Estimated date of first symptoms is August 12. CDM has been observed on pumpkin in a research plot in Queen Anne's County, MD. Incidence and severity are unknown. Estimated date of first symptoms is August 10. CDM has been confirmed on pumpkin in a 0.25 acre field in Summit County, OH. Incidence and severity are 10%. Estimated date of first symptoms is August 15. There has also been an additional report of CDM on cucumber in a small field in Wayne County, OH. 

August 15
New Reports from MD. CDM has been confirmed on pumpkin in fields in Kent and Harford County, MD. Incidence and severity are unknown. Estimated date of first symptoms is August 13 in both locations. Updates are in from counties with existing infections in MD, NJ, PA, and OH.

August 13
New Reports from ON, KY, PA, and MD. CDM has been confirmed on cantaloupe in the sentinel plot in Norfolk County, ON. Incidence is 100%, severity is 50%. Estimated date of first symptoms is August 3. CDM has been reported on cucumber in a 2 acre commercial field in Allen County, KY. Incidence and severity are unknown. Estimated date of first symptoms is July 27. CDM has been confirmed on cucumber in the sentinel plot in Breathitt County, KY. Incidence is 20%, severity 60%. Estimated date of first symptoms is August 8. CDM has been discovered on cucumber in a 0.2 acre home garden in Boyd County, KY. Incidence is 95%, severity 75%. Estimated date of first symptoms is July 27. CDM has been confirmed on butternut squash in a 0.3 acre field in Wyoming County, PA. Incidence and severity are unknown. Estimated date of first symptoms is August 8. CDM has been confirmed on cucumber in a field in Frederick County, MD. Other info is unavailable. Estimated date of first symptoms is August 9. We have also received updates and/or reports of additional infections in previously reported counties in IN, NC, and NY. 

August 10
No new reports. Update: We have received updates from sentinel plots (movement to new hosts) and/or additional finds in existing counties in NC, MD, SC, and OH. 

August 8
New Reports from NY, OH, and IN. CDM has been confirmed on cucumber in a 3 acre field in Ontario County, NY. Incidence is 1%, severity is 1%. Estimated date of first symptoms is August 5. CDM has been discovered on cucumber in a tiny field in Seneca County, NY. Incidence is 100%, severity is 10%. Estimated date of first symptoms is August 6. CDM has been confirmed on cucumber in a commercial field in Ulster County, NY. No additional information is available. Estimated date of first symptoms is August 6. CDM has been observed on cucumber in the sentinel plot in Huron County, OH. Incidence is 25%, severity 5%. Estimated date of first symptoms is August 6. CDM has been confirmed on cantaloupe in a 10 acre field in Knox County, IN. Incidence is 5%, severity is 1%. Estimated date of first symptoms is August 4. CDM has been confirmed on cucumber in the sentinel plot in LaPorte County, IN. Incidence is 5%, severity is 3%. Estimated date of first symptoms is August 2. There has been additional discoveries in Lancaster County, PA and a few sentinel plot updates from NC.

August 6
No new reports. Update: CDM has been spread to additional cucumber varieties in the sentinel plot in Hunterdon County, NJ.

August 3
First Reports from TN. New Reports from MI and IN. CDM has been confirmed on butternut squash and cucumber in a research plot in Knox County, TN. Incidence is 90%, severity is 50%. Estimated date of first symptoms is July 23. CDM has been confirmed on cucumber in a home garden in Sullivan County, TN. Incidence is 100%, severity 50%. Estimated date of first symptoms is July 25. CDM has been confirmed on cucumber in a home garden in Hillsdale County, MI. Estimated date of first symptoms is July 29. CDM has been discovered on cucumber in 3 large fields (50 to 110 acres) in St. Joseph's County, MI. Incidence varies from 1% in one field, 10% in another, 100% in a third. 30% severity in the 100% incidence field. Estimated date of first symptoms is July 24 in 2 fields, July 27 in the third. CDM has been confirmed on cucumber in a 3 acre field in Parke County, IN. Incidence is 30%, severity 15%. Estimated date of first symptoms is July 28. CDM has spread to watermelon in the sentinel plot in Henderson County, NC.

August 1
First Report from IN. New Report from LA. CDM has been confirmed on cucumber in the sentinel plot in LaPorte County, IN. Incidence is 0.1%, severity is 0.1%. One lesion on one leaf was found. Estimated date of first symptoms is July 29. CDM has been confirmed on squash in a commercial field in Tangipahoa Parish, LA. Incidence and severity are unknown. Estimated date of first symptoms is July 16. Updates were received from Wayne and Sandusky Counties, OH and Johnston and Edgecombe Counties, NC.

July 30
New Reports from MD, PA, and MI. CDM has been confirmed on cucumber in a research plot in Prince George's County, MD. Incidence and severity are unknown. Estimated date of first symptoms is July 25. CDM has been discovered on cucumber in the sentinel plot in Centre County, PA. Incidence and severity are 1%. Estimated date of first symptoms is July 25. CDM has been confirmed on cucumber in a 100 acre commercial field in Arenac County, MI. Incidence and severity are low. Estimated date of first symptoms is July 25. CDM has also been observed in additional sites in existing counties in PA, NY, and AL.

July 27
First Report from CT. New Reports from OH and NY. CDM has been confirmed on cucumber in a 14 acre field in Hartford County, CT. Incidence is 0.1%, severity is 30%. Estimated date of first symptoms is July 26. CDM has been confirmed on cucumber in a 2 acre commercial field in Wood County, OH. Incidence is 25%, severity is 5%. Estimated date of first symptoms is July 25. CDM has been confirmed on cucumber in a 5 acre commercial field in Erie County, NY. Incidence is 0.1%, severity is 1%. Estimated date of first symptoms is July 25. An additional find was reported in Wayne County, OH. CDM has moved to more hosts in several sentinel plots in western NC.

July 25
First Report from LA. New Reports from MI and NJ. CDM has been confirmed on cucumber in a field in Acadia Parish, LA. Incidence is 100%, severity is 10%. Estimated date of first symptoms is July 10. CDM has been confirmed on cucumber in a 30 acre commercial field in Berrien County, MI. Incidence is 30%. Estimated date of first symptoms is July 24. CDM has been confirmed on cucumber in the sentinel plot in Hunterdon County, NJ. Incidence is 50%, severity is 5%. Estimated date of first symptoms is July 23. Additional small outbreaks have been discovered in Sandusky County, OH.

July 23
No new reports or updates.

July 20
New Reports from NC and VA. CDM has been confirmed on cucumber, cantaloupe, and both squash varieties in the sentinel plot in Henderson County, NC. Incidence is 15%, severity is 1%. Estimated date of first symptoms is July 15. CDM has been confirmed on cucumber in a 0.1 acre home garden in James City County (Williamsburg), VA. Incidence is 90%, severity is 70%. Estimated date of first symptoms is June 16.

July 18
First Report from NY. New Reports from OH, AL, and ON. CDM has been confirmed on cucumber in the sentinel plot in Suffolk County, NY. Incidence is 7%, severity is 1%. Estimated date of first symptoms is July 16. CDM has been confirmed on cucumber in the sentinel plot in Sandusky County, OH. Incidence is 1%, severity is 1%. Estimated date of first symptoms is July 17. CDM has been confirmed on cucumber in the sentinel plot in Jefferson County, AL. Estimated date of first symptoms is July 9. CDM has been confirmed on cucumber in a 12 acre commercial field in Chatham-Kent County, ON. Incidence is 1%, severity is 3%. Estimated date of first symptoms is July 16. CDM has been confirmed on cucumber in the sentinel plot in Suffolk County, NY. Incidence is 7%, severity is 1%. Estimated date of first symptoms is July 16.

July 16
No new reports or updates.

July 13
New Reports from NC, SC, and PA. CDM was confirmed on cucumber in a 3 acre commercial field in Stokes County, NC. Incidence is 60%, severity is 10%. Estimated date of first symptoms is June 28. CDM has been confirmed on watermelon in a 10 acre field in Berkeley County, SC. Incidence is 50%. Estimated date of first symptoms is July 5. CDM has been confirmed on cucumber in very small fields in Union and Mifflin Counties, PA. Incidence and severity are 1% and 5% in Union County with symptoms estimated at July 5. Incidence is 80% in Mifflin County. Estimated date of first symptoms is July 1.

July 11
New Reports from VA and PA. CDM was confirmed on cucumber in a 2 acre commercial field in Westmoreland County, VA. Incidence is 50%, severity is 5%. Estimated date of first symptoms is July 10. CDM was confirmed on cucumber in the sentinel plot in Lancaster County, PA. Incidence and severity are 1%. Estimated date of first symptoms is July 7. CDM has been confirmed on multiple hosts in the sentinel plot in Escambia County, PA, and on butternut squash in the sentinel plot in Sampson County, NC.

July 9
First report from MI. CDM has been confirmed on cucumber in a 55 acre commercial field in Tuscola County, MI. Incidence is unknown; severity is 10%. Estimated date of first symptoms is July 6.

July 6
New Reports from NC and AL. CDM was confirmed on cucumber in a home garden in Randolph County, NC. Incidence is 100%, severity is 20%. Estimated date of first symptoms is June 11. CDM was confirmed on cucumber in a 1 acre commercial field in Geneva County, AL. Incidence is 100%, severity is 75%. Estimated date of first symptoms is June 20. Update: CDM has moved to additional hosts in the sentinel plots in Rowan, Johnston, and New Hanover Counties, NC; and in Henry County, AL. 

July 5
First Report from southern Canada. New Reports from PA and DE. CDM was confirmed on cucumber in a commercial field in Elgin County, ON. Incidence is 20%. Estimated date of first symptoms is June 29. CDM was confirmed on cucumber in a 0.25 acre commercial field in York County, PA. Incidence is 15%. Estimated date of first symptoms is July 1. CDM was confirmed on cucumber in a home garden in Kent County, DE. Incidence is 50%, severity is 30%. Estimated date of first symptoms is July 1.

July 3
New Reports from AL, NC, and VA. CDM was confirmed on squash, cucumber, cantaloupe, and watermelon in the sentinel plot in Escambia County, AL. First symptoms are estimated at June 16. CDM has been confirmed on cucumber in a small commercial field in Buncombe County, NC. Incidence is 5%, severity is 5%. Estimated date of first symptoms is July 1. CDM has been confirmed on cucumber in a 4 acre commercial field in Haywood County, NC. Incidence is 3%, severity is 2%. Estimated date of first symptoms is June 29. CDM has been confirmed on cucumber in a home garden in Accomack County, VA. Estimated date of first symptoms is June 29. Update: CDM has moved to butternut squash, cantaloupe, and cucumber in the sentinel plot in Elmore County, AL.  

July 2
Update from NC. CDM was confirmed on giant pumpkin in the sentinel plot in Lenoir County, NC. First symptoms are estimated at June 26. 

June 29
First Report from VA. New reports from PA and AL
. CDM was confirmed on cucumber in a <1 acre home garden in Northamptom County, VA. Incidence is 100%, severity 25%. Estimated date of first symptoms is June 29. CDM was confirmed on cucumber in a small commercial field in Delaware County, PA. Incidence is 40%. Estimated date of first symptoms is June 21. CDM was confirmed on cucumber in a sentinel plot in Henry County, AL. Estimated date of first symptoms is June 20. CDM has been observed on cucumber in a very small home garden in Lee County, AL. Incidence is 100%, severity 2%. Estimated date of first symptoms is June 23. Update: CDM has appeared on cucumber in the sentinel plot in Rowan County, NC. 

June 27
New Reports from NC and SC.
CDM was confirmed on cucumber in a 30 acre commercial field in Rowan County, NC. Incidence is 70%, severity 10%. Estimated date of first symptoms is June 20. CDM was discovered on cucumber in a home garden in Perquimans County, NC. Incidence is 100%, severity 10%. Estimated date of first symptoms is June 14. CDM was discovered on cucumber in a home garden in Lexington County, SC. Incidence is 100%, severity 50%. Estimated date of first symptoms is May 20. Update from SC: CDM has spread to pumpkin and watermelon in the sentinel plot in Charleston County, SC.

June 25
New Report from NC.
CDM was confirmed in the sentinel plot in New Hanover County, NC on cucumber. Incidence is 50%, severity 5%. Estimated date of first symptoms is June 17.

June 22
First report from PA. New Reports from SC, NJ, FL, MD, DE. Updates from NC. CDM was confirmed on cucumber in a small commercial field in Lebanon County, PA. Incidence is 75%, severity is 25%. Estimated date of first symptoms is June 18. CDM has been confirmed on cucumber in a 20 acre commercial field in Spartanburg County, SC. Incidence is 10%; severity is unknown. Estimated date of first symptoms is June 15. CDM was confirmed in a 0.1 acre home garden, on cucumber, in Aiken County, SC. Incidence is 100%, severity 30%. Estimated date of first symptoms is June 17. CDM was confirmed on cucumber in a 2 acre commercial field in Mercer County, NJ. Incidence is 5%, severity 10%. Estimated date of first symptoms is June 13. CDM was confirmed on cucumber in a 0.25 acre  commercial field in Calhoun County, FL. Incidence and severity are unknown. Estimated date of first symptoms is June 11. CDM was confirmed on cucumber in the sentinel plot in New Castle County, DE. A single lesion was found. Estimated date of first symptoms is June 21. CDM was confirmed on cucumber in a 1 acre research plot in Wicomico County, MD. Incidence is 0.1%, severity is 0.5%. Estimated date of first symptoms is June 22. In NC ... CDM has spread to other hosts in the sentinel plots in Edgecombe and Johnston Counties. New discoveries of CDM on cucumber have been made in fields in Wayne County (5 acres, 100% incidence, 20% severity, first symptoms June 14) and Duplin County (20 acres, 100% incidence, 15% severity, first symptoms June 14). 

June 20
New Reports from GA and FL.
CDM was confirmed on watermelon in a 30 acre commercial field in Tift County, GA. Incidence is 100%, severity is 100%. Estimated date of first symptoms is June 11. The observer reported that the field is completely defoliated. CDM has been confirmed on cantaloupe and cucumber in the sentinel plot in Gadsden County, FL. Estimated date of first symptoms is June 18.

June 18
First reports from DE and AL. New Reports from NC. CDM was confirmed on cucumber in a 30 acre commercial field in Sussex County, DE. Incidence is 0.5%, severity is 10%. Estimated date of first symptoms is June 18. CDM has been confirmed on cucumber in the sentinel plot in Baldwin County, AL. Estimated date of first symptoms is June 13. CDM has been confirmed on cucumber (3 varieties) and cantaloupe in the sentinel plot in Elmore County, AL. Estimated date of first symptoms is June 7. CDM was confirmed on cucumber in a 17 acre commercial field in Bertie County, NC. Incidence is 1%, severity is 1%. Estimated date of first symptoms is June 12. CDM was confirmed on cucumber in a 9 acre commercial field in Hertford County, NC. Incidence is 2%, severity is 10%. Estimated date of first symptoms is June 9.  

June 15
First report from OH. New Reports from NC and SC. Update from NC. CDM was confirmed on cucumber at 2 locations in Wayne County, OH. A 2 acre commercial field showed 1% incidence and 1% severity. A small home garden has 10% incidence and 1% severity. First symptom date for both sites was estimated at June 13. CDM was confirmed on cucumber in a 1 acre field in Orange County, NC. Incidence is 100%, severity is 60%. Estimated date of first symptoms is June 5. CDM was confirmed on cucumber in 3 fields totaling 170 acres in Clarendon County, SC. Average incidence is 85%, severity is 50%. Estimated date of first symptoms is June 7. CDM has been observed on cucumber in the sentinel plot in Sampson County, NC (first symptoms June 8) and on cantaloupe and cucumber in the sentinel plot in Lenoir County (first symptoms June 8).

June 13
First reports from MD. New Reports from NC and GA. Update from NC and SC. CDM was confirmed on cucumber in Dorchester County and Caroline County, MD. The Dorchester County outbreak is in a 50 acre field. Incidence is 0.1%, severity is 1%. Estimated date of first symptoms is June 7. The Caroline County outbreak is in a 25 acre field. Incidence is 0.1%, severity is 20%. Estimated date of first symptoms is June 11. CDM has been confirmed on cantaloupe in a 15 acre field in Turner County, GA. Incidence is 10%, severity is 25%. Estimated date of first symptoms is June 7. CDM has been discovered in a small research plot in Lenoir County, NC, on cucumber. Incidence is 75%, severity is 10%. Estimated date of first symptoms is June 4. CDM has been confirmed on the 3 varieties of cucumber in the sentinel plot in Edgecombe County, NC. Incidence is 20%, severity is 5%. Estimated date of first symptoms is June 6. CDM has been confirmed on the remaining 2 cucumber varieties and both squash varieties in the sentinel plot in Charleston County, SC. Symptoms are new.

June 11
Update from NC. CDM was confirmed on cantaloupe and 2 varieties of cucumber in the sentinel plot in Sampson County, NC. Incidence is 20%, severity is 3%. Symptoms are estimated to have first appeared on June 4.

June 8
New Report from NC. Updates from NC and SC. CDM was confirmed on cucumber in a 60 acre commercial field in Wayne County, NC. Incidence is 1%, severity is 20%. Symptoms are estimated to have first appeared on June 4. CDM was discovered on cucumber and cantaloupe in a small research plot in Johnston County, NC. Only a few lesions were found. First symptoms were estimated at June 4. CDM was also spotted in a 2 acre research plot in Sampson County, NC. Cucumber was affected at 5% incidence, 5% severity. First symptoms were estimated at May 30. CDM was discovered on cucumber and cantaloupe in a 1.5 acre research plot in Lenoir County, NC. Incidence was 20%, severity 3%. First symptoms were estimated at June 3. CDM was confirmed in the sentinel plot in Charleston County, SC on cucumber. Incidence is 100%, severity 15%. First symptoms appeared June 3.

June 4
First report from SC. New Report from NC. CDM was confirmed on cantaloupe in a 1 acre research plot in Charleston County, SC. Incidence is 1%, severity is 10%. Symptoms are estimated to have first appeared on May 28. CDM was reported on cucumber in an 8 acre commercial field in Duplin County, NC. Incidence is 2%, severity is 10%. First symptoms are estimated at May 26.

June 1
First report from NJ. New Reports from GA and NC. CDM was confirmed on cucumber in a 1 acre commercial field in Gloucester County, NJ. Incidence is 100%, severity is 60%. Symptoms are estimated to have first appeared on May 28. CDM was reported on cucumber in a 30 acre commercial field in Sumter County, GA. Incidence is 40%, severity is 30%. First symptoms are estimated at May 21. CDM was confirmed on cucumber in a very small portion of a commercial field in Nash County, NC. Incidence is 100%, severity is 95%. First symptoms are estimated at May 25. CDM was confirmed on cucumber in 2 commercial fields in Wake County, NC. One is a 40 acre field. Incidence is 20%, severity is 15%. First symptoms are estimated at May 24. Another field is 30 acres; incidence is 1%, severity is 1%. First symptoms are estimated at May 29. CDM has been confirmed on cucumber in a 30 acre field in Franklin County, NC. Incidence is 1%, severity is 1%, and symptoms are estimated to have first appeared May 29. Update: There is also a confirmed report of CDM on cucumber in an extremely small garden plot in Johnston County, NC. Incidence and severity are 1%. First symptoms estimated at May 31.   

May 30
New Report from GA. Update from FL. CDM was confirmed on cucumber in a 20 acre commercial field in Seminole County, GA. Incidence is 50%, severity is 30%. Symptoms are estimated to have first appeared May 16. CDM had been confirmed on acorn squash, cucumber, and the 2 pumpkin varieties in the sentinel plot in Marion County, FL. First symptoms are estimated at May 22.

May 27
New Report from GA. CDM was confirmed on butternut squash and cantaloupe in a 25 acre commercial field in Cook County, GA. Incidence is 50%, severity is 15%. Symptoms are estimated to have first appeared May 16. 

May 25
New Report from NC. CDM was confirmed on cucumber in a 30 acre commercial field in Sampson County, NC. Incidence is 50%, severity is 5%. Symptoms are estimated to have first appeared May 18.

May 21
New Report from NC. CDM was confirmed on cucumber in a greenhouse in Johnston County, NC. Incidence is 50%, severity is 50%. Symptoms are estimated to have first appeared as early as March 27.

May 18
First report from GA. New Report from FL. CDM was confirmed on cantaloupe and  cucumber in a 20 acre commercial field in Colquitt County, GA. Incidence is 30%, severity is 10%. Symptoms are estimated to have first appeared on May 10. CDM was reported on cucumber in the sentinel plot near Citra in Marion County, FL. Incidence is 20%, severity is 5%. First symptoms are estimated at May 13.

May 9 - 16
No new reports or updates. 

May 7
Update from NC. Quick, decisive action was employed in order to contain the outbreak in Wilson County, NC. Plants in the hoophouse were destroyed, placed in bags, and buried in a field that will not be used this year. There are no other known outbreaks at this time. The county has been changed to No Longer Found on the Epidemic Status map.

May 4
First report from NC. CDM was confirmed on cucumber in a greenhouse in Wilson County, NC. Incidence is 1%, severity is 5%. Symptoms are estimated to have first appeared on May 1. 

April 20
New Report from FL. CDM was confirmed on cucumber in a commercial field in DeSoto County, FL. Symptoms are estimated to have first appeared on April 10. No other details are known at this time. 

April 16
New Report from FL. CDM was confirmed on butternut squash, cantaloupe, and cucumber in the sentinel plot in Hillsborough County, FL. Incidence is 5%; severity is 5% on the cucumber, ~1% on the other hosts. Symptoms are estimated to have first appeared on April 13.

April 9
Update from FL. CDM was confirmed on April 6 on watermelon and cucumber variety Cucumis sativus SUR14763462 in the sentinel plot in Miami-Dade County, FL. Incidence is 30%; severity is 5%. Symptoms are estimated to have first appeared on April 4.

March 28
Update from FL. CDM has been confirmed on P76 cucumber and watermelon in the sentinel plot near Immokalee in Collier County, FL. Incidence is 50% on the cucumber and 10% on watermelon. Severity is 25% on cucumber and <5% on watermelon. Symptoms are estimated to have first appeared on March 15. 

March 20
New report from FL. CDM has been confirmed on acorn squash, giant pumpkin, processing pumpkin, and cucumber in the sentinel plot in Miami-Dade County, FL near Homestead. Incidence is 30%, severity is <5%. Estimated date of first symptoms is March 19.  

March 8
New report from FL. CDM has been confirmed on cantaloupe and cucumber in a 1 acre research plot in Collier County, FL near the town of Immokalee. Incidence is 5%, severity is 5%. Estimated date of first symptoms is March 5.

February 1
First report from U.S. in 2012 (FL). CDM has been confirmed on acorn squash in a small research plot near Homestead in Miami-Dade County, FL. Incidence is 30%; severity is 2%. Estimated first date of symptoms is January 10.