Cucumber downy mildew has NOT been identified in Ontario, but the risk is high. Growers are advised to use a downy mildew specific fungicide program, if this hasn’t been started.
Disease outbreaks
Disease incidents reported by Plant Pathologists in the United States.
Cucurbit Downy Mildew epidemic updates May 13 to June 19, 2020 | ipmPIPE
The Cucurbit downy mildew forecast is hosted by the NC State University departments of Plant Pathology & Marine, Earth, and Atmospheric Sciences. The website provides a map of recent outbreaks and lists outbreaks. Epidemic Status Map for CDM (Pseudoperonospora cubensis) on – 19 June: View the map. Epidemic Update – 10 June: First report from NC. […]
Cucurbit Downy Mildew ipmPIPE April 3 to May 13, 2020 epidemic updates
The Cucurbit downy mildew forecast is hosted by the North Carolina State University departments of Plant Pathology & Marine, Earth, and Atmospheric Sciences. The website provides a map of recent outbreaks and lists outbreaks. Visit the Cucurbit Downy Mildew Forecast Homepage 2020.05.13 cucurbit downy mildew forecast Epidemic Update – 8 May: New report from GA. […]
Cucurbit Downy Mildew Forecasting Resumes for the 2020 growing season
A valuable resource available to cucurbit growers on the CucCAP website is the Cucurbit Downy Mildew ipmPIPE Pest Information Platform for Extension and Education. The CDM ipmPipe is hosted at NC State University. This website was recently updated and forecasting for the 2020 growing season will begin in late March or early April. The site indicates that CDM […]
Final cucurbit disease forecasts for the 2019 growing season
The MELCAST and ipmPIPE cucurbit disease forecasting tools have discontinued updates for the 2019 growing season.
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 […]
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 […]
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
