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 […]

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September 1 – 15 Cucurbit Downy Mildew epidemic updates | ipmPIPE

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. September 9 First report from MS. New reports from KY, NY, and WI. CDM has been discovered on ‘Waldo’ winter squash in a home garden in Copiah County, MS. […]

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Cucumber downy mildew moves across Michigan | MSU Extension Vegetables

“Downy mildew on cucumber has been verified in three cucumber producing counties on the west side of Michigan and one pickling cucumber producing county on the east side of Michigan.” “Cantaloupe crops are also at risk of becoming infected by downy mildew and should be protected using the fungicides that have been proven to be […]

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Cucumber Downy Mildew in Western North Carolina | NC State Plant Pathology

Cucumber Downy Mildew (CDM) has been confirmed on cucumber samples from our sentinel plot in Waynesville, NC (Haywood County) and from commercial growers in Burke and Henderson Counties. Approximately 75-100% of plants were affected. Leaves showed symptoms typical of CDM: angular, chlorotic or yellow lesions on the upper surface of the leaves with gray to […]

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Cucumber downy mildew disease confirmed in research plot in southwest Michigan | MSU Extension Vegetables

Downy mildew on cucumber has developed in a small research plot at the Southwest Research and Extension Center in Benton Harbor, Michigan. This is the first confirmed report in Michigan in 2019. Disease symptoms developed over the last several days and this research plot had not been sprayed with any fungicides. Continue Reading

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