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2010 Epidemic History

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Cucurbit Downy Mildew Epidemic History for 2010

October 27
New report from FL. CDM has been confirmed on squash in a research plot in Miami-Dade County, FL. Incidence and severity are less than 1%. Estimated first date of symptoms is October 25.

October 20, 22, 25
No new counties reporting CDM

October 18
New reports from FL. CDM has been confirmed on cucumber and squash in a combined 32 acres of fields in Palm Beach County, FL, and a combined 40 acres in Lee County, FL. Incidence and severity are low. Estimated first date of symptoms is October 1 for finds in both counties. 

October 15
New report from SC. CDM has been confirmed on cucumber in commercial fields in Bamberg County, SC. Disease is fairly active in one field, much less active in another. Estimated first date of symptoms is September 27.

October 13
First report from MS. CDM has been confirmed on acorn squash and jack-o-lantern pumpkin in a home garden setting in Copiah County, MS. Incidence was 5%; severity was 10%. Estimated date of first symptoms was October 11.

October 11
New reports from FL, renewed activity in GA. CDM has been confirmed on cucumber, acorn and butternut squash, and watermelon in a 50 acre commercial field in Tift County, GA. Incidence is 20%, severity is 20%. Estimated first date of symptoms is September 10. CDM has been confirmed on cucumber in research plots in Hillsborough and Manatee County, FL. Incidence is 0.5%, severity is 5%. Estimated date of first symptoms is October 1.

October 9
First report from MN. New report from CA. CDM was confirmed earlier this year on cucumber in a research plot in Ramsey County, MN. Incidence was 100%; severity was 70%. Estimated date of first symptoms was August 20. This plot is on an organic research and teaching farm. The infected plants were removed and destroyed. CDM has been confirmed on cucumber in a commercial field in Sacramento County, CA. Incidence is 75%; severity is 10%. Estimated date of first symptoms is September 15. In addition ... the end of the growing season is approaching. CDM is no longer present in various counties of the U.S. and southern Canada where host is no longer present, there has been a hard freeze, or both. Please consult the epidemic status map to view these counties as the growing season winds down (coded in dark blue for No Longer Found). 

October 4, 6
No new counties reporting CDM.

October 1
New report from CA. CDM has been confirmed on cucumber in a research plot in Monterey County, CA. Incidence is 100%, severity is 50%. Estimated first date of symptoms is September 10. 

September 29
No new counties reporting CDM.

September 27
No new counties reporting CDM. 

September 24
First report from LA. CDM has been confirmed on butternut squash in a 0.1 acre commercial field in Tangipahoa Parish, LA. Incidence is 0.1%, severity is 50%. Estimated date of first symptoms is September 15.

September 22
New report from KY. CDM has been confirmed on pumpkin and acorn squash in a 1 acre commercial field in Daviess County, KY. Incidence is 40%, severity is 15%. Estimated first date of symptoms is September 15.

September 20
No new reports of CDM.

September 17
New report from NC. CDM has been confirmed in 2 separate fields in Buncombe County, NC. One 2 acre field has infections on acorn and butternut squash. Incidence is 100%, severity is 35%. Estimated date of first symptoms is August 15. Another 5 acre field commercial field has infections in cucumber and squash. Incidence is 100%, severity is 45%. Estimated date of first symptoms here is August 1. Information indicates that CDM has likely been present since sometime in July in Buncombe County, though the disease has been very slow to progress due to unfavorable conditions.

September 15
New reports from NC, TN, and KY. CDM has been confirmed on cucumber in the sentinel plot in Rowan County, NC. Incidence is 50%, severity is 2%. Estimated first date of symptoms is September 10. CDM has been confirmed on pumpkin in a research plot in Robertson County, TN. Incidence is 30%, severity is <1%. Estimated first date of symptoms is September 8. CDM has been confirmed on squash in a home garden in Davidson County, TN. Incidence and severity are unknown. Estimated first date of symptoms is September 14. CDM has been confirmed on squash in the sentinel plot in Breathitt County, KY. Incidence is 35%, severity is 5%. Estimated first date of symptoms is September 5.

September 13
No new reports of CDM.

September 10
New reports from AL and SC. CDM has been confirmed on cucumber in the sentinel plot in Charleston County, SC. Incidence is 5%, severity is 5%. Estimated first date of symptoms is September 10. CDM has been confirmed on cucumber in Pickens, Macon, and Lee Counties, AL. The Pickens County infection is in a home garden. Incidence is 100%, severity is 1%. Estimated date of first symptoms is September 7. The Macon County infection is in a research plot. Incidence is 2%, severity is unknown. Estimated date of first symptoms is September 1. The Lee County infection is in the sentinel plot. Incidence is 10%, severity is 10%. Estimated date of first symptoms is August 7.

September 8
First report from Long Island; New reports from IN and CA. CDM has been confirmed on cucumber, butternut squash, and cantaloupe in the sentinel plot in Suffolk County, NY. Disease has been present longer and spread farther in the cucumber, where incidence is 50%, severity is 10%. Incidence / severity is 13% / 10% in the other hosts. Estimated date of first symptoms is September 1 (cucumber) and September 7 (others). CDM has been confirmed on cucumber in the sentinel plot in Knox County, IN. Incidence is 0.1%, severity is 0.1% (only 1 lesion found in the plot). Estimated date of first symptoms is August 30. CDM has been confirmed on cucumber in commercial fields (one is 100 acres, another 50 acres) in San Joaquin County, CA. Incidence is 5%, severity is <1%. Estimated date of first symptoms is August 28.

September 5
No new reports of CDM.

September 3
First reports from KY and TN; New reports from NC and SC. CDM has been confirmed on cucumber in a 3 acre commercial field in Harrison County, KY. Incidence is 80%, severity is 15%. Estimated date of first symptoms is August 12. CDM has been confirmed on pumpkin in a 10 acre commercial field in Cumberland County, TN. Incidence is <1%, severity is <1%. Estimated date of first symptoms is August 25. CDM has been confirmed on cucumber in a 40 acre commercial field in Washington County, NC. Incidence is 15%, severity is 10%. Estimated date of first symptoms is August 27. CDM has been confirmed on pumpkin in a research plot in Barnwell County, SC. Incidence is 5%, severity is 2%. Estimated date of first symptoms is August 27.

September 1
No new counties report CDM.

August 30
New report from MA. CDM has been confirmed in a 5 acre commercial field on Kabocha squash in Franklin County, MA. Incidence is 50% and severity is 25%. Estimated date of first symptoms is August 25.

August 27
New reports from NY. CDM has been confirmed in commercial fields on cucumber and cantaloupe in Schoharie County, NY and on giant pumpkin in Fulton County, NY. Other details are currently unknown. Estimated date of first symptoms is August 5.

August 25
First report from IL; New report from MI. CDM has been confirmed on giant pumpkin in a commercial field in Tazewell County, IL. Few details are known at this time. Estimated date of first symptoms is August 23. CDM has been discovered on cucumber in a home garden in Huron County, MI. Incidence is 90%; severity is 70%. Estimated date of first symptoms is August 25.

August 23
New reports from CA, PA, and MI. CDM has been confirmed on cucumber in a field in Yolo County, CA. Incidence is 5%, severity is 5%. Estimated date of first symptoms is August 19. CDM has been confirmed on cantaloupe and cucumber in a small commercial field in Erie County, PA. Incidence is 60%, severity is 50%. Estimated date of first symptoms is August 6. CDM has been confirmed on cucumber in a small field in Butler County, PA. Incidence is 1%, severity is 1%. Estimated date of first symptoms is August 10. CDM has been confirmed on cucumber in a field in Wayne County, MI. Incidence is unknown, severity is unknown. Estimated date of first symptoms is August 20. CDM has been confirmed on cucumber in a home garder in Shiwassee County, MI. Incidence is 100%, severity is 25%. Estimated date of first symptoms is August 21.

August 20
New reports from DE and CA. CDM has been confirmed on cucumber in a 25 acre field in Kent County, DE. Incidence is 10%, severity is 5%. Estimated date of first symptoms is July 17. CDM has been confirmed on cucumber in a 15 acre field in Santa Cruz County, CA. Incidence is 100%, severity is 75%. Estimated date of first symptoms is August 4.

August 18
First report from CA; New reports from NH, Ontario, PA, and MI. CDM has been confirmed on cucumber in a 25 acre commercial field in Santa Clara County, CA. Incidence is 30% and severity is 10%. Estimated date of first symptoms is July 30. CDM has been confirmed on cucumber in a commercial field in Hillsborough County, NH. Incidence is 100% and severity is 75%. Estimated date of first symptoms is August 9. CDM has been confirmed on cucumber in the sentinel plot in Lancaster County, PA. Incidence is 20% and severity is 30%. Estimated date of first symptoms is August 11. CDM has been confirmed on cucumber in a home garden in Clarion County, PA. Incidence is unknown and severity is unknown. Estimated date of first symptoms is August 6. CDM has been confirmed on cantaloupe in a home garden in Lawrence County, PA. Incidence is unknown and severity is unknown. Estimated date of first symptoms is July 29. CDM has been confirmed on cucumber in a very small commercial field in Beaver County, PA. Incidence is 10% and severity is unknown. Estimated date of first symptoms is August 5. CDM has been confirmed on cucumber in a home garden in Lapeer County, MI. Incidence is unknown and severity is 35. Estimated date of first symptoms is August 16. CDM has been confirmed on cucumber in a home garden in Barry County, MI. Incidence is 100% and severity is 80%. Estimated date of first symptoms is August 7. CDM has been confirmed on cucumber in a home garden in Wellington County, Ontario. Incidence is 95% and severity is 50%. Estimated date of first symptoms is July 15. CDM has been confirmed on cantaloupe, watermelon, and cucumber in the sentinel plot in Haldimand-Norfok County, Ontario. Incidence is 100% and severity is 75%. Estimated date of first symptoms is August 10. Cucumbers are decimated, cantaloupe is very susceptible, and CDM is just showing up on watermelon.

August 13
First report from VA; New reports from MI. CDM has been confirmed on cucumber in the sentinel plot in Accomack County, VA. Incidence is 10% and severity is 2%. Estimated date of first symptoms is August 10. CDM has been confirmed on cantaloupe in a home garden in Leelanau County, MI. Incidence is 100% and severity is 40%. Estimated date of first symptoms is August 13. CDM has been confirmed on cucumber in fields in Cass County and Eaton County, MI. Incidence is unknown and severity is unknown. Estimated date of first symptoms is August 11.

August 11
First reports from NH and MA; New report from MI, WI, and OH. CDM has been confirmed on cantaloupe and cucumber in a commercial field in Sullivan County, NH. Incidence is 75% and severity is 80%. Estimated date of first symptoms is July 15. CDM has been confirmed on cucumber in a very small commercial plot in Norfolk County, MA. Incidence is 10% and severity is 75%. Estimated date of first symptoms is August 3. CDM has been confirmed on cucumber in a field in Allegan County, MI. Incidence is unknown and severity is 30%. Estimated date of first symptoms is August 9. CDM has been confirmed on cucumber in a 10 acre commercial field in Waushara County, WI. Incidence is 10% and severity is 10%. Estimated date of first symptoms is August 2. CDM has been confirmed on cucumber in a home garden in Summit County, OH. Incidence is 80 % and severity is 15%. Estimated date of first symptoms is July 30.

August 6
First report from IN; New report from MI. CDM has been confirmed on cucumber in the sentinel plot in LaPorte County, IN. Incidence is 2%, severity is 1%. Estimated date of first symptoms is August 1. CDM has been confirmed on cucumber in a 25 acre commercial field in Oceana County, MI. Incidence is 100%, severity is 50%. Estimated date of first symptoms is August 4.

August 4
New reports from NJ, NY, TX, GA, and MI. CDM has been confirmed on cucumber in the sentinel plot in Hunterdon County, NJ. Incidence is 5%, severity is 1%. Estimated date of first symptoms is August 2. CDM has been confirmed on cucumber in a research plot in Tompkins County, NY. Incidence is 2%, severity is 10%. Estimated date of first symptoms is August 2. CDM has been confirmed on cucumber in Oakland County, MI (field) and Berrien County, MI (research plot). Estimated date of first symptoms is August 4 and August 2, respectively. CDM has been confirmed on watermelon in a small field in Leon County, TX. Incidence is 100%, severity is 15%. Estimated date of first symptoms is July 22. CDM has been discovered on cucumber and watermelon in a research plot in Rusk County, TX. Incidence is 100%, severity is 80%. Estimated date of first symptoms is July 30. CDM has been confirmed on cucumber and pumpkin in the sentinel plot in Union County, GA. Incidence is 2%, severity 10%. First symptoms estimated at July 30.

August 2
New reports from DE and MI. CDM has been confirmed on cucumber in the sentinel plot in New Castle County, DE. Incidence is 10%, severity is 5%. Estimated date of first symptoms is July 29. CDM has been confirmed on cucumber in a commercial field in Ottawa County, MI. Few details are available.

July 30
First Report from New Jersey, new reports from PA and AL. CDM has been confirmed on cucumber in a 5 acre commercial field in Cumberland County, NJ. Incidence is 20%, severity is 20%. Estimated date of first symptoms is July 29. CDM has been confirmed on cucumber in a very small commercial field in Westmoreland County, PA. Incidence is 5%, severity is 10%. First symptoms are estimated at July 16. CDM has been discovered on cucumber in the sentinel plot in Escambia County, AL. Incidence is 100%, severity is 50%. Estimated date of first occurrence of symptoms is July 14.

July 28
New reports from SC and MI. CDM has been confirmed on cucumber in a home garden in Jackson County, MI. Incidence is <5%, severity 5%. Estimated date of first symptoms is July 28. CDM has been confirmed on watermelon in a field of unknown size in Horry County, SC. Incidence and severity are unknown. Estimated date of first symptoms is July 15.  

July 26
New reports from MI. CDM has been confirmed on cucumber in a research plot and a commercial field in Clinton and St. Claire Counties, MI, respectively. Incidence is <5%, severity 5% in Clinton County, unknown in St. Claire. Estimated date of first symptoms is July 23 in both counties.

July 23
New reports from WI, MI, OH, and PA. CDM has been confirmed on cucumber in a 40 acre commercial field in Portage County, WI. Incidence is 15%, severity is 10%. Estimated date of first symptoms is July 18. CDM has been confirmed on cucumber in home garden in Kent County, MI and a 60 acre commercial field in Muskegon County, MI. Incidence/severity are unknown in Kent County and 5% or less each in Muskegon County. Estimated date of first symptoms is July 21 for both cases. CDM has been discovered on cucumber in fields in Delaware, Geauga, and Trumbull Counties, OH. Few details are available. Estimated date of first symptoms ranges from June 24 (Geauga) to July 1 (Trumbull) to July 21 (Delaware). CDM has been confirmed on cucumber in the sentinel plot in Centre County, PA. Incidence and severity are <1% each. Estimated date of first symptoms is July 21.

July 21
New reports from MD, TX, and MI. CDM has been confirmed on cucumber in the sentinel plot in Wicomico County, MD. Incidence is 4%, severity is 0.01%. Estimated date of first symptoms is July 21. CDM has been confirmed on watermelon in a 30 acre commercial field in Houston County, TX. Incidence is 75%, severity is 20%. Estimated date of first symptoms is June 15. CDM has been discovered on cucumber in the sentinel plot in Ingham County, MI. Estimated date of first symptoms is July 19.

July 19
New reports from NC and TX.
CDM has been confirmed on cucumber in a 1/4 acre field in Robeson County, NC. Incidence is 75%, severity is 45%. Estimated date of first symptoms is July 13. CDM has been confirmed on watermelon in the sentinel plot in Brazos County, TX. Incidence is 80%, severity is 2%. Estimated date of first symptoms is July 12.

July 16
New reports from AL and southern Ontario
.
CDM has been confirmed on cucumber in a home garden in Lee County, AL. Incidence is 5%, severity is 1%. Estimated date of first symptoms is July 10. CDM has been confirmed on cucumber in fields in Elgin and Chatham-Kent counties, Ontario. Few details are available at this time. Estimated date of first symptoms is July 6.

July 14
No new reports. 

July 12
New reports from NY, WI, and NC
.
CDM has been confirmed on cucumber in a 10 acre commercial field in Ontario County, NY. Incidence is 1%, severity is 1%. Estimated date of first symptoms is July 10. CDM has been confirmed on cucumber in a 5.2 acre commercial field in Haywood County, NC. Incidence is 1%, severity is 1%. Estimated date of first symptoms is July 7. CDM has been confirmed on cucumber in a small research plot in Dane County, WI. Incidence is 1%, severity is 1%. Estimated of first symptoms is July 9.

July 9
First Reports from Delaware and Alabama
, new reports from OH, MI, and NC
.
CDM has been confirmed on cucumber in the sentinel plot in Sussex County, DE. Incidence is 0.5%, severity is 5%. Estimated date of first symptoms is July 7. CDM has been confirmed on cucumber in a 1 acre commercial field in Geneva County, AL. Incidence is 100%, severity is 15%. Estimated date of first symptoms is July 1. CDM has been confirmed on cucumber in an 11 acre commercial field in Seneca County, OH. Incidence is 10%, severity is 2%. Estimated date of first symptoms is July 4. CDM has been confirmed on cucumber in a 30 acre commercial field in Wood County, OH. Incidence is 5%, severity is 20%. Estimated date of first symptoms is July 4. CDM has been confirmed on cucumber in a 30 acre commercial field in Sandusky County, OH. Incidence is 20%, severity is 50%. Estimated date of first symptoms is June 29. Downy mildew has been discovered on cucumber in Midland, Tuscola, Arenac, Saginaw, and Macomb Counties, MI. These are all in commercial fields except for the Macomb County outbreak, which is in a home garden. Few details are currently available on these outbreaks. Estimated date of first symptoms is July 6 to July 8. CDM has been confirmed on cucumber in a 7 acre commercial field in Henderson County, NC. Incidence is 75%, severity is 35%. Estimated date of first symptoms is July 1. Update: Another large commercial field of cucumber in Erie County, OH has CDM. The 50 acre field exhibits 15% incidence, 20% severity. Estimated first symptoms occurred July 3. 

July 7
First Reports from Michigan and Wisconsin
, new reports from OH and NY
.
CDM has been confirmed on cucumber in a large, 160 acre commercial field in Bay County, MI. Incidence is low, severity is 10%. Estimated date of first symptoms is July 5. CDM has been confirmed on cucumber in a small research plot in Columbia County, WI. Incidence is 5%, severity is 50%. Estimated date of first symptoms is July 6. CDM has been confirmed on cucumber in a 30 acre commercial field in Erie County, OH. Incidence is 30%, severity is 50%. Estimated date of first symptoms is July 4. CDM has been confirmed on cucumber in a 2 small commercial fields (1 acre, 400 sq. ft) in Genessee and Cattaraugus Counties, NY. Incidence is 20%, severity is 1% in Genessee, 40% and 80% in Cattaraugus. Estimated date of first symptoms is July 5 (Genessee) and July 3 (Cattaraugus).

July 5/6
First Report from Maryland
, new reports from OH and NY
.
CDM has been confirmed on cucumber in a small commercial field in Caroline County, MD. Symptoms were seen at harvest on July 1. CDM has been confirmed on cucumber in a home garden and a 1 acre commercial field in Wayne County, OH. Incidence is 100%, severity is 60% in the home garden. Incidence and severity are 5% in the field. First symptoms are estimated at July 1 in the home garden, June 23 in the field. CDM has been discovered in a 10 acre commercial field of cucumber in Orleans County, NY. Incidence is 2%, severity is 0.5%. Estimated date of first occurrence of symptoms is July 2. 

June 30
First Reports from NY. CDM has been confirmed on cucumber in commercial fields in Erie and Niagara Counties, NY. Incidence and severity are low. Estimated date of first symptoms is June 29 in both counties.  

June 28
New Reports from NC. CDM has been confirmed on cucumber in a small research plot in Lenoir County, NC. Incidence is 1%, severity is 1%. Estimated date of first symptoms is June 23. CDM has been confirmed on cucumber in the sentinel plot in New Hanover County, NC. Incidence is 25%, severity is 5%. First symptoms estimated at June 22. 

June 23
First Report from OH, update from NC. CDM has been confirmed on cucumber in a 1 acre commercial field in Holmes County, OH. Incidence is 1%, severity is 20%. Estimated date of first symptoms is June 23. CDM has been confirmed on cucumber in a very large, 240 acre commercial field in Pehder County, NC. Incidence is 17%, severity is 20%. Estimated date of first symptoms is June 18.

June 21
New Report from NC. CDM has been confirmed on cucumber in a small home garden in Pender County, NC. Incidence is 80%, severity is 50%. Estimated date of first symptoms is June 10.

June 18
First Report from Canada, new reports from NC and SC. CDM has been confirmed on cucumber in a 1 acre commercial field in Hamilton Division, southern Ontario, Canada near the town of Hamilton. Incidence is 10%, severity is 10%. Estimated date of first symptoms is June 16. CDM has been confirmed on cucumber in the sentinel plot in Sampson County, NC. Incidence and severity are 1%. First symptoms are estimated at June 18. CDM has been discovered in a 45 acre commercial field of cucumber in Clarendon County, SC. Incidence is 75%, severity is 80%. Estimated date of first occurrence is June 12.

June 16
New Reports from NC and GA. CDM has been confirmed on cucumber in a 4 acre research plot in Sampson County, NC. Incidence is 0.5%, severity is 0.5%. Estimated date of first symptoms is June 13. CDM has been confirmed on cantaloupe in a small research plot in Tift County, GA. Incidence is 100%, severity is 60%. Estimated date of first occurrence is June 8.

June 14
First Report from SC, new report from GA. CDM has been confirmed on cucumber in the sentinel plot in Charleston County, SC. Incidence is 60%, severity is 15%. Estimated date of first symptoms is June 13. CDM has been confirmed on cucumber in the sentinel plot in Toombs County, GA. Incidence is 100%, severity is 5%. Estimated date of first symptoms is June 1. 

June 11
No new reports or updates. 

June 9
New Report from NC. CDM has been confirmed on cantaloupe in a 100 acre commercial field in Wilson County, NC. Incidence is 1%. Estimated date of first symptoms is May 23. 

June 7
First Report from TX: CDM has been confirmed on cucumber in a 100 acre commercial field in Hidalgo County, TX. Incidence is 70%; severity is 30%. A rough estimate for first occurrence of symptoms is May 7. 

June 4
New Reports from NC and FL. CDM has been confirmed on cucumber in a 10 acre commercial field in Duplin County, NC. Incidence is 10%, severity is 15%. Estimated date of first symptoms is May 28. CDM has been confirmed on cucumber and butternut squash in the sentinel plot in Gadsden County, FL. Incidence is 70%, severity is 10%. Estimated date of first occurrence is June 2. 

June 2
New Report from GA. CDM has been confirmed on cucumber in the sentinel plot in Tift County, GA. Incidence is 10%, severity is 15%. Estimated date of first symptoms is May 28.

May 28
First Reports from NC and TX, new report and update from FL: CDM has been confirmed on cucumber in a 12 acre commercial field in Columbus County, NC. Incidence is 1%; severity is 45%. Estimated date of first occurrence is May 23. Symptoms confirmed late May 26. CDM has been confirmed on watermelon in a 150 acre commercial field in Frio County, TX. Incidence is 10%, severity is 1%. Estimated date of appearance of first symptoms is May 24. CDM has been confirmed on all hosts except the watermelon in the sentinel plot in Alachua County, FL. The pumpkin and butternut squash showed symptoms first around May 19, others within the next week. Incidence and severity are high in all hosts currently affected. The sentinel plot in Hillsborough County, FL now has symptoms on both types of squash, the cantaloupe, and watermelon.

May 26
No new reports or updates.

May 24
No new reports or updates.

May 21
No new reports or updates.

May 19
No new reports or updates. 

May 17
First Report from GA: CDM has been confirmed on cucumber in a 50 acre commercial field in Brooks County, GA. Incidence is 20%; severity is 20%. Estimated date of first occurrence is May 14.

May 14
No new reports or updates.

May 12
New Report from FL. CDM has been confirmed on acorn and summer/yellow squash in Collier County, FL in a small research plot near Immokalee. Incidence is 50%, severity is 10%. Estimated date of first symptoms is May 4. Update from FL: CDM was confirmed on both acorn and summer/yellow squash in the sentinel plot in Miami-Dade County. Estimated date of first symptoms is May 10.

May 10
No new reports or updates. 

May 7
New Report from FL. CDM was confirmed this morning on cucumber in the sentinel plot in Hillsborough County, FL near the town of Wimauma. Incidence is 10%, severity is 1%. Estimated date of first symptoms is May 7.

May 5
Update from FL. CDM was confirmed late on May 3 on cantaloupe and giant pumpkin in the Homestead, FL sentinel plot. Incidence and severity were not available. Estimated first date of symptoms is May 3.

May 3
No new reports or updates

April 30
No new reports or updates

April 28
Update from FL. CDM was confirmed late on April 26 on butternut squash in the Homestead, FL sentinel plot. Incidence is 75% and severity 10%. Estimated first date of symptoms is April 26.

April 26
No new reports or updates.

April 23
No new reports or updates.

April 21
No new reports or updates.

April 19
No new reports or updates.

April 16
Updates from FL. CDM was confirmed on April 15 on cucumber in the sentinel plot near Homestead. Incidence is 5% and severity is 1%. Estimated date of first symptoms is April 15. CDM was also confirmed yesterday on acorn and summer squash in a nearby research plot. Incidence is 80% and severity 10% here. Estimated first symptom date is April 10. 

March 28 - April 14
No new reports or updates

March 26
First Report from FL: CDM has been reported on squash in commercial fields near the Homestead area in Miami-Dade County. Disease occurrence is described as spotty. Incidence and severity are estimated at 10% and 5%, respectively. Estimated date of first occurrence is around March 20.