Epidemic Status Map of cucurbit downy mildew (Pseudoperonospora cubensis) for 9-22-2022 on all Cucurbit hosts. Disease observations on cucumber, squash, and pumpkin were reported in the previous seven days.
The Cucurbit downy mildew forecast reports incidents of Cucurbit Downy mildew in the United States. The homepage at the ipmPIPE website displays a map of U.S. counties with recent incidents highlighted in red and green.
Epidemic Updates:
August 15 – September 16
- September 16: New reports from NJ; Updates from NJ and MD. CDM has been confirmed on jack-o-lantern pumpkin in Morris and Mercer Counties, NJ; on butternut squash in Middlesex County, NJ; and on summer squash in Talbot County, MD.
- September 14: Updates from SC and MD. CDM has been confirmed on jack-o-lantern pumpkin in Charleston County, SC; and on cantaloupe in Queen Anne’s County, MD.
- September 9: Updates from SC and ME. CDM has been confirmed on cucumber in Charleston County, SC; and on watermelon in Kennebec County, ME.
- September 7: New report from PA. CDM has been confirmed on cucumber in Huntingdon County, PA.
- September 5: New reports from WV. Updates from NC and NJ. CDM has been confirmed on cucumber in Nicholas and Jefferson Counties, WV; on jack-o-lantern pumpkin in Haywood County, NC; and on summer squash in Salem County, NJ.
- September 2: New report from VA. CDM has been confirmed on butternut squash in Brunswick County, VA.
