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2016 cdm epidemic history

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Cucurbit Downy Mildew Epidemic History for 2016

November 5
First report from CA. CDM has been confirmed on cucumber in a 0.1 acre research plot in San Luis Obispo County, CA. Incidence is 100%; severity is 60%. Estimated date of first symptoms is October 20.

October 5
New report from OH. CDM has been confirmed on squash in a 1 acre field in Stark County, OH. Incidence and severity are unknown. Estimated date of first symptoms is September 20.

September 30
New report from TX. CDM has been confirmed on cucumber in a 10 acre field in Waller County, TX. Incidence is 90%; severity is 1%. Estimated date of first symptoms is September 20.

September 23
First reports from Oklahoma and Illinois. New reports from OH and MS. CDM has been confirmed on watermelon in a 150 acre field in Custer County, OK. Incidence is 80%, severity is 20%. Estimated date of first symptoms is Septemver 13. CDM has been confirmed on processing pumpkin in a field in Tazewell County, IL. Incidence and severity are unknown. Estimated date of first symptoms is August 10. CDM has been confirmed on jack-o-lantern pumpkin  in a field in Licking County, OH. Incidence and severity are unknown. Estimated date of first symptoms is September 15. CDM has been confirmed on acorn/yellow and butternut squash and cucumber in a field in Madison County, MS. Incidence and severity are unknown. Estimated date of first symptoms is September 17.

September 16
New report from MS. CDM has been confirmed on squash (cultivar Tivoli) and pumpkin (cultivar Pepito) in a research plot in Copiah County, MS. Incidence and severity are unknown. Estimated date of first symptoms is September 13.

September 14
New report from MS. CDM has been confirmed on pumpkin (cultivar Everest) in a research plot in Lee County, MS. Incidence and severity are unknown. Estimated date of first symptoms is September 6.

September 12
New reports from OH and NC. CDM has been confirmed on cucumber and  jack-o-lantern pumpkin in a research plot in Franklin County, OH. Incidence is unknown; severity is unknown. Estimated date of first symptoms is September 7. CDM has been confirmed on cucumber and  jack-o-lantern pumpkin in a research plot in Clark County, OH. Incidence is 80%; severity is 80%. Estimated date of first symptoms is September 5. CDM has been confirmed on cucumber in a 0.3 acre research plot in Rowan County, NC. Incidence is 10%; severity is 1%. Estimated date of first symptoms is September 6.

September 9
New report from IN. CDM has been confirmed on acorn/yellow squash, cucumber, and jack-o-lantern pumpkin in the sentinel plot in Knox County, IN. Incidence and severity are 10% and 1%, respectively. Estimated date of first symptoms is September 7.

September 7
New report from SC. CDM has been confirmed on acorn/yellow squash and cucumber in a field in Beaufort County, SC. Incidence and severity are unknown. Estimated date of first symptoms is September 1.

September 5
New report from OH. CDM has been confirmed on jack-o-lantern pumpkin in a 0.55 acre field in Pike County, OH. Incidence is 35%; severity is unknown. Estimated date of first symptoms is August 29.

September 2
New report from AL. CDM has been confirmed on cantaloupe in a research plot in Lee County, AL. Incidence is 100%; severity is 95%. Estimated date of first symptoms is August 22.

August 31
New report from NY. CDM has been confirmed on cantaloupe and cucumber in 1 acre field in Albany County, NY. Incidence is 50%; severity is 20%. Estimated date of first symptoms is August 26.

August 29
New report from MS, AL, and NY. CDM has been confirmed on cucumber in 0.1 acre field in Hinds County, MS. Incidence and severity are unknown. Estimated date of first symptoms is August 17. CDM has been confirmed on butternut squash in a research plot in Macon County, AL. Incidence is 20%; severity is 5%. Estimated date of first symptoms is August 15. CDM has been confirmed on cucumber in a field in Clinton County, NY. Incidence and severity are unknown. Estimated date of first symptoms is August 22.

August 26
New report from NY. CDM has been confirmed on cucumber in 2 acre research plot in Tompkins County, NY. Incidence is 1%; severity is 5%. Estimated date of first symptoms is August 24.

August 24
New reports from NC and MI. CDM has been confirmed on cucumber in a field in Orange County, NC. Incidence is 80%; severity is unknown. Estimated date of first symptoms is August 22. CDM has been discovered on cucumber in a field in Hillsdale County, MI. Incidence and severity are unknown. Estimated date of first symptoms is August 23.

August 22
New report from NC. CDM has been confirmed on butternut squash and cucumber in the sentinel plot in Henderson County, NC. Incidence is 100%; severity is 50%. Estimated date of first symptoms is August 19.

August 19
First report from Indiana. New reports from MI, NY, and VA. CDM has been confirmed on cantaloupe and cucumber in the sentinel plot in LaPorte County, IN. Incidence is 10%; severity is 5%. Estimated date of first symptoms is August 10. CDM has been discovered on cucumber in a field in Allegan County, MI. Incidence and severity are unknown. Estimated date of first symptoms is August 13. CDM has been confirmed on cucumber in a 0.5 acre field in Columbia County, NY. Incidence is 20%, severity is 5%. Estimated date of first symptoms is August 15. CDM has been confirmed on cucumber in a small home garden in Williamsburg County, VA. Incidence is 50%, severity is 50%. Estimated date of first symptoms is August 11.

August 17
First report from Massachusetts. New reports from MI, AL, NC, PA, and KY. CDM has been confirmed on cucumber in a 1 acre research plot in Franklin County, MA. Incidence is 5%; severity is 5%. Estimated date of first symptoms is August 17. CDM has been confirmed on cucumber in fields in Clinton and Muskegon Counties, MI. Incidence and severity are unknown. Estimated dates of first symptoms are August 10 and 12, respectively. CDM has been confirmed on cucumber in the sentinel plot in Limestone County, AL. Incidence is 100%; severity is 90%. Estimated date of first symptoms is August 1. CDM has been confirmed on cucumber in a field in Haywood County, NC. Incidence is 100%; severity is 60%. Estimated date of first symptoms is August 1. CDM has been discovered on butternut squash in a home garden in Madison County, KY. Details are unknown. Estimated date of first symptoms is August 10. CDM has been confirmed on cucumber in a 02 acre field in Huntingdon County, PA. Incidence is 50%; severity is unknown. Estimated date of first symptoms is August 12.

August 15
New reports from VA and PA. CDM has been confirmed on cucumber , cantaloupe, and butternut squash in the sentinel plot in Accomack County, VA. Incidence and severity vary. Estimated date of first symptoms is August 10 for the cucumber and cantaloupe, August 15 for the squash. CDM has been confirmed on cucumber in a 0.2 acre field in Huntingdon County, PA. Incidence is 50%, severity is unknown. Estimated date of first symptoms is August 12.

August 12
First report from Vermont. New reports from AL, PA, NC, NY, KY, and OH. CDM has been confirmed on cucumber in a 0.5 acre home garden in Chittenden County, VT. Incidence is 100%; severity is 75%. Estimated date of first symptoms is August 5. CDM has been confirmed on cantaloupe, cucumber, and giant pumpkin in the sentinel plot in Lee County, AL. Incidence is 100%; severity is 35%. Estimated date of first symptoms is August 3. CDM has been confirmed on cucumber in a 1 acre field in Clinton County, PA. Incidence and severity are unknown. Estimated date of first symptoms is August 9. CDM has been confirmed on cucumber in a small home garden in Montgomery County, PA. Incidence is 100%; severity is unknown. Estimated date of first symptoms is August 10. CDM has been confirmed on cucumber in a 0.25 acre field in Columbia County, PA. Incidence is 100%, severity is 50%. Estimated date of first symptoms is August 6. CDM has been confirmed on jack-o-lantern pumpkin in a 20 acre field in Ashe County, NC. Incidence is 5%; severity is 10%. Estimated date of first symptoms is August 10. CDM had been observed on cucumber in a 0.2 acre research plot in Chautauqua County, NY. Incidence is 1%, severity is 2%. Estimated date of first symptoms is August 11. CDM has been confirmed on jack-o-lantern pumpkin in a field in Jessamine County, KY. Incidence is unkonwn; severity is unknown. Estimated date of first symptoms is August 11. CDM had been observed on cucumber in a field in Holmes County, OH. Incidence is 50%, severity is unknown. Estimated date of first symptoms is August 1.

August 10
New reports from AL, OH, MI, and NY. CDM has been confirmed on cucumber in a 5 acre field in Chambers County, AL. Incidence is 20%; severity is 1%. Estimated date of first symptoms is July 29. CDM has been confirmed on cucumber in a home garden in Fulton County, OH. Incidence is 10%, severity is 5%. Estimated date of first symptoms is August 3. CDM has been confirmed on cucumber in the sentinel plot in Sandusky County, OH. Incidence is 3%, severity is 5%. Estimated date of first symptoms is August 3. CDM has been confirmed on cucumber and cantaloupe in the sentinel plot in Huron County, OH. Incidence is 1%, severity is unknown. Estimated date of first symptoms is July 28. CDM has been comfirmed on cucumber in the sentinel plot in Ingham County, MI. Incidence is unknown, severity is unknown. Estimated date of first symptoms is August 8. CDM had been confirmed on cucumber in the sentinel plot in Suffolk County, NY. Incidence is 4%; severity is <1%. Estimated date of first symptoms is August 8. CDM has been confirmed on cucumber in a home garden in Richmond City County, VA. Incidence is 100%, severity is 30%. Estimated date of first symptoms is August 8.

August 8
New reports from NY, TX, MI, and SC. CDM has been confirmed on cucumber in a 0.25 acre field in Ontario County, NY. Incidence is 100%; severity is 5%. Estimated date of first symptoms is August 5. CDM has been confirmed on butternut squash in a 1 acre field in Harris County, TX. Incidence is 80%, severity is 5%, first symptoms August 1. CDM has been comfirmed on cucumber in a 3 acre research plot in Calhoun County, MI. Incidence is 2%, severity is 40%. Estimated date of first symptoms is August 7. CDM had been confirmed on cucumber in a field in Horry County, SC. Incidence and severity are unknown. Estimated date of first symptoms is August 1.

August 5
New reports from PA, MI, and NY. CDM has been confirmed on cucumber in a small commercial field in Erie County, PA. Incidence is 100%; severity is 1%. Estimated date of first symptoms is August 1. CDM has been confirmed on cucumber in a 0.5 acre research plot in Centre County, PA. Incidence is 1%, severity is 5%, first symptoms August 3. CDM has been comfirmed on cucumber in fields in St Joseph and Macomb Counties, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 30 for the St. Joseph field, August 4 for the Macomb County find. CDM has been comfirmed on cucumber in a research plot in Genesee County, NY. Incidence is 1%, severity is unknown. Estimated date of first symptoms is August 4.

August 3
New reports from NY and AL. CDM has been confirmed on cucumber in a 0.5 acre field in Niagara County, NY. Incidence is 1%; severity is 20%. Estimated date of first symptoms is August 2. CDM has been confirmed on butternut squash and cucumber in the sentinel plot in Escambia County, AL. Squash: incidence is 100%, severity 22%, first symptoms estimated at July 4. Cucumber: incidence is 100%, severity is 1%, first symptoms July 20. CDM has been comfirmed on cucumber in a 1 acre home garden in Baldwin County, AL. Incidence is 25%, severity is 2%. Estimated date of first symptoms is July 20. CDM has been comfirmed on cucumber in a tiny home garden in Pickens County, AL. Incidence is 100%, severity is 3%. Estimated date of first symptoms is July 21.

August 1
New reports from NY, KY, and SC. CDM has been confirmed on cucumber in a 15 acre field in Erie County, NY. Incidence is unknown; severity is 25%. Estimated date of first symptoms is August 1. CDM has been confirmed on butternut squash in a field in Allen County, KY. Incidence is unknown; severity is unknown. Estimated date of first symptoms is July 25. CDM has also been reported in a field of zucchini in Allen County. CDM has been confirmed on squash in a field in Florence County, SC. Incidence is unknown; severity is unknown. Estimated date of first symptoms is July 5.

July 27
New reports from ON, PA, and NJ. CDM has been confirmed on cucumber in a field in Norfolk County, ON. Incidence is unknown; severity is unknown. Estimated date of first symptoms is July 15. CDM has been confirmed on cucumber in a field in Delaware County, PA. Incidence is 100%; severity is unknown. Estimated date of first symptoms is July 21. CDM has been confirmed on cucumber in the sentinel plot in Hunterdon County, NJ. Incidence is 2%; severity is 1%. Estimated date of first symptoms is July 26.

July 25
First report from New York. New reports from OH and MI. CDM has been confirmed on cucumber in a field in Cattaraugus County, NY. Incidence is unknown; severity is 35%. Estimated date of first symptoms is July 19. CDM has been confirmed on cantaloupe in a 0.5 acre field in Medina County, OH. Incidence is unknown; severity is unknown. Estimated date of first symptoms is July 18. CDM has been confirmed on cucumber in fields in Arenac and Midland Counties, MI. Incidence is unknown; severity is unknown. Estimated date of first symptoms in each field is July 22.

July 22
First reports from Kentucky and Virginia. New reports from PA and MI. CDM has been confirmed on butternut squash in the sentinel plot in Fayette County, KY. Incidence is 1%; severity is 3%. Estimated date of first symptoms is July 19. CDM has been confirmed on cucumber in the sentinel plot in Mecklenburg County, VA. Incidence is 100%; severity is 25%. Estimated date of first symptoms is July 14. CDM has been confirmed on cucumber in a home garden in Chester County, PA. Incidence is unknown; severity is unknown. Estimated date of first symptoms is July 20. CDM has been confirmed on cucumber in a field in Gratiot County, MI. Incidence is unknown; severity is unknown. Estimated date of first symptoms is July 20.

July 20
First report from Pennsylvania. New reports from GA and MD. CDM has been confirmed on cucumber in a 30 sq. ft. home garden in Lancaster County, PA. Incidence is 1%; severity is 10%. Estimated date of first symptoms is July 19. CDM has been confirmed on cucumber in a 1 acre research plot in Tift County, GA. Incidence is 10%; severity is 20%. Estimated date of first symptoms is July 15. CDM has been confirmed on cucumber in the sentinel plot in Wicomico County, MD. Incidence is 50%; severity is 0.1%. Estimated date of first symptoms is July 19.

July 18
New report from MI. 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 18.

July 15
New report from NC. CDM has been confirmed on cucumber in sentinel plot in Edgecombe County, NC. Incidence is 1%; severity is 1%. Estimated date of first symptoms is July 13.

July 13
First report from New Jersey. New report from MI. CDM has been confirmed on cucumber in a 20 acre field in Cumberland County, NJ. Incidence is 1%; severity is 1%. Estimated date of first symptoms is July 11. CDM has been confirmed on cucumber in a field in St. Claire County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 11.

July 11
First report from Michigan. CDM has been confirmed on cucumber in a field in Bay County, MI. Incidence and severity are unknown. Estimated date of first symptoms is July 9.

July 8
First reports from Ohio and Delaware. New report and updates from NC. CDM has been confirmed on cucumber in a field in Wayne County, OH. Incidence and severity are unknown. Estimated date of first symptoms is July 1. CDM has been confirmed on cucumber in the sentinel plot in Sussex County, DE. Incidence and severity are 0.1%. Estimated date of first symptoms is July 4. CDM has been confirmed on cucumber in a field in Harnett County, NC. Incidence is 50%, severity is 50%. Estimated date of first symptoms is July 2. Update: in addition to the prior discovery in that county's sentinel plot, CDM has been confirmed on cucumber in a 5 acre field in Sampson County, NC. Incidence is 5%, severity is 5%. Estimated date of first symptoms is July 6.

July 6
First report from Canada. New report from NC. CDM has been confirmed on cucumber in a 10 acre field in Chatham-Kent County, ON. Incidence is 60%, severity is 5%. Estimated date of first symptoms is July 2. CDM has been confirmed on cucumber in the sentinel plot in Lenoir County, NC. Incidence is 10%, severity is 1%. Estimated date of first symptoms is July 3.

July 1
First report from Alabama. CDM has been confirmed on butternut squash in the sentinel plot in Henry County, AL. Incidence is 100%, severity is 25%. Estimated date of first symptoms is June 20.

June 29
First report from Maryland. New report from NC. CDM has been confirmed on cucumber in a 30 acre field in Caroline County, MD. Incidence is 0.1%, severity is 0.1%. Estimated date of first symptoms is June 27. CDM has been confirmed on cucumber in a 1 acre research plot in Sampson County, NC. Incidence is 1%, severity is 40%. Estimated date of first symptoms is June 27.

June 24
New report from NC. CDM has been confirmed on watermelon in a 10 acre field in Johnston County, NC. Incidence is 5%, severity is 30%. Estimated date of first symptoms is June 22.

June 17
New report from NC. CDM has been confirmed on watermelon in a 1 acre field in Nash County, NC. Incidence is 5%, severity is 50%. Estimated date of first symptoms is June 17.

June 15
First report from South Carolina. CDM has been confirmed on both varieties of squash in the sentinel plot in Charleston County, SC. Incidence is 50%, severity is 10%. Estimated date of first symptoms is June 14.

June 10
New report from GA. CDM has been confirmed on cantaloupe in a 20 acre field in Wheeler County, GA. Incidence is 10%, severity is 20%. Estimated date of first symptoms is June 1.

June 3
First report from North Carolina. CDM has been confirmed on cucumber in a 30 acre field in Duplin County, NC. Incidence is 5%, severity is 35%. Estimated date of first symptoms is June 1.

May 27
New report from FL. CDM has been confirmed on cucumber in the sentinel plot in Marion County, FL. Incidence is 3%, severity is 1%. Estimated date of first symptoms is May 24.

May 20
New report from FL. CDM has been confirmed on cantaloupe in a 0.2 acre field in Alachua County, FL. Incidence is 2%, severity is 35%. Estimated date of first symptoms is May 10.

May 13
New reports from FL and GA. CDM has been confirmed on watermelon in a 10 acre field in Levy County, FL. Incidence is 2%, severity is 5%. Estimated date of first symptoms is May 10. CDM was confirmed on cucumber in a 10 acre field in Dodge County, GA. Incidence is 15%, severity is 20%. Estimated date of first symptoms is May 9.

May 4
First report from Georgia. CDM has been confirmed on acorn / yellow squash in a 3 acre field in Thomas County, GA. Incidence is 10%, severity is 30%. Estimated date of first symptoms is April 30.

April 8
First report from Texas. CDM has been confirmed on watermelon in a 30 acre field in Hidalgo County, TX. Incidence is 1%, severity is 5%. Estimated date of first symptoms is April 7.

March 18
First report from the U.S. (FL). CDM has been confirmed on yellow / acorn squash, butternut squash, and giant pumpkin in the sentinel plot in Miami-Dade County, FL. Incidence is 80%, severity is unknown. Estimated date of first symptoms is March 3. CDM was later confirmed on cucumber in the same sentinel plot. Incidence is 6%, severity is 1.5%. Estimated date of first symptoms is March 10.