September 15 – 30 Cucurbit Downy Mildew epidemic updates | ipmPIPE
September 30
New report from OH. CDM has been confirmed on jack-o-lantern pumpkin in a field in Harrison County, OH. Incidence is 100%, severity is 50%. Estimated date of first symptoms is September 21.
September 27
New report from MS. CDM has been confirmed on cucumber in the sentinel plot in Lee County, MS. Incidence is unknown, severity is unknown. Estimated date of first symptoms is September 24.
September 23
First report from WV. CDM has been confirmed on cucumber in a 0.5a field in Greenbrier County, WV. Incidence is 50%, severity is 70%. Estimated date of first symptoms is September 15.
September 21
New reports from NY and PA. CDM has been confirmed on cucumber in a 4a field in Columbia County, PA. Incidence is 60%, severity is 20%. Estimated date of first symptoms is September 18. CDM has been confirmed on cucumber in a 1a research plot in Tompkins County, NY. Incidence is 10%, severity is 2%. Estimated date of first symptoms is September 19.
September 19
New reports from VA and MD. CDM has been confirmed on jack-o-lantern pumpkin in a field in King George County, VA. Incidence is unknown, severity is unknown. Estimated date of first symptoms is September 10. CDM has been confirmed on jack-o-lantern pumpkin in a research plot in Queen Anne’s County, MD. Incidence is unknown, severity is unknown. Estimated date of first symptoms is September 7.
September 13
New report from AR. CDM has been confirmed on jack-o-lantern pumpkin in a 1a field in White County, AR. Incidence is 80%, severity is 20%. Estimated date of first symptoms is September 5.
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