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High Tunnel Tomato Root and Soil Health Checkup
Verticillium wilt symptoms in high tunnel tomatoes. Photo by Anna Testen. Tomatoes are prone to damage by many foliar, fruit and root diseases. While producing tomatoes in high tunnels protects them...
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Start Scouting Cucumbers in Northern Ohio for Downy Mildew
Early symptoms of cucumber downy mildew. Photo by Raven Schaffter. With the recent mild, cloudy weather, we could see an early arrival of downy mildew in northern Ohio. Downy mildew is favored by...
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Cucumber Downy Mildew Reported in Ontario, Canada
Cucurbit downy mildew map – click on map to enlarge it. https://cdm.ipmpipe.org/ Downy mildew was found on cucumbers in Haldimand-Norfolk, Ontario on July 1 and Chatham-Kent, Ontario on July 4. Even...
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Cucumber Downy Mildew Confirmed in Michigan
Downy mildew of cucumber. Downy mildew was confirmed today in Saginaw County, MI. Dr. Mary Hausbeck’s team at Michigan State University also detected spores of the downy mildew pathogen,...
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Cucumber Downy Mildew Confirmed in Three Ohio Counties
Map of reported cucurbit downy mildew outbreaks. New for this year in Ohio: Medina, Wayne and Knox counties. cdm.ipmpipe.org. Severe cucumber downy mildew in Medina County, OH, July 24, 2023. Photo by...
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Cucumber Downy Mildew Spreading
Map of 2023 cucurbit downy mildew reports. Red = reported <1 week ago; Green = reported > 1 week ago. cdm.ipmpipe.org Downy mildew is now confirmed in cucumbers in five Ohio counties: Sandusky,...
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Powdery Mildew Management in Cucurbits
Powdery mildew colonies on the underside of a pumpkin leaf. Fungicide applications should start when these colonies are first observed during scouting. It is important to check both surfaces of the...
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Downy Mildew Reported on Pumpkins in Fulton County, OH
Partial map of 2023 cucurbit downy mildew reports as of August 7, 2023. Counties in red indicate new reports (<7 days), while counties in green have older reports. cdm.ipmpipe.org. Bill Holdsworth...
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More First Reports – Downy Mildews of Basil and Cucumber in Ohio
Basil plants with severe downy mildew symptoms in a big box store garden center in Wooster, OH, 2021. Photo by F. Rotondo. We received a report on August 8 from an Ohio Master Gardener of sweet basil...
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Late Appearance of Phytophthora Blight in Peppers and Cucurbits Wreaking Havoc
Bell pepper fruits with Phytophthora blight, received in late August 2023 by the OSU Plant and Pest Diagnostic Clinic. Photo by Francesca Rotondo. Phytophthora blight on pumpkins received in October...
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