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Cucurbit Downy Mildew Continues to Spread in Northern Ohio
Cucurbit downy mildew map, July 21, 2021. https://cdm.ipmpipe.org After last week’s very wet weather, downy mildew has appeared on cucumbers in a research plot on the OSU Muck Crops Research Station...
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Cucurbit Downy Mildew Outbreaks Increasing
Cucurbit downy mildew outbreak map. https://cdm.ipmpipe.org. We have three new reports of downy mildew on cucumbers this week, all from home or community gardens in Coshocton, Muskingum and Geauga...
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Cucurbit Downy Mildew – One Day Update
Cucurbit downy mildew outbreaks in Ohio counties. Red color indicates reports less than 7 days ago. https://cdm.ipmpipe.org Cucumber downy mildew, Hardin County OH. Photo by Francesca Rotondo. Just...
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New Reports of Downy Mildew on Pumpkins and Cucumbers in Ohio
Downy mildew symptoms on untreated pumpkin leaves in Clark County, OH. Photo by Jim Jasinski. Downy mildew was reported for the first time in pumpkins in Ohio in Clark County at the OSU Western...
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Phytophthora Blight on Pumpkin Fruits
Phytophthora blight on pumpkins received in October 2021 by the OSU Plant Disease Diagnostic Lab in Wooster. Photo by Francesca Rotondo. This has been a rainy growing season in much of Ohio and other...
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2021 OSU Vegetable Disease Management and Diagnostic Lab Reports Now Available
Alternaria leaf spot on cabbage The OSU Vegetable Pathology Lab carried out an active field research program in 2021, with ten full field trials spread across three research sites in Wooster,...
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First Report in Ohio of Cucumber Downy Mildew for 2022
Cucurbit downy mildew map, July 11, 2022. cdm.ipmpipe.org Today OSU plant diagnostician Francesca Rotondo diagnosed the first cucumber sample of the 2022 growing season with downy mildew. Downy mildew...
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2nd OH Report of Cucumber Downy Mildew – Wayne County
Cucumber downy mildew July 13, 2022, Wayne County, OH. Photo by OSU diagnostics intern Vansh Khatri. Quick on the heels of our report of cucumber downy mildew on Monday in Medina County, we have...
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Downy Mildew Reported on Fresh Market Cucumbers in Seneca County, OH
Cucurbit downy mildew incidence report, July 20, 2022. https:/cdm.ipmpipe.org Downy mildew was reported on cucumbers in NE Ohio (Medina and Wayne counties) and southern Ontario last week, suggesting...
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New Cucumber Downy Mildew Reports This Week
Reports of cucurbit downy mildew as of July 21, 2022. cdm.ipmpipe.org A new report came in this week of cucumber downy mildew in Fulton County, as well as another report from Medina County, this time...
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Are Your Cucurbits Yellowing or Wilting?
We are seeing many reports of yellowing and/or wilting squash, pumpkin and other cucurbits in commercial fields and gardens this month. Chances are that the cucurbits have been affected by cucurbit...
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Cucumber Downy Mildew Now in Huron County, Ohio
Confirmed reports of cucurbit downy mildew. https://cdm.ipmpipe.org Downy mildew developed in a commercial fresh market cucumber field in Huron County this past weekend. That makes five counties in...
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Cucumber Downy Mildew Now in Sandusky County, Ohio
Cucumber downy mildew in a sentinel plot at OSU NCARS, Sandusky County. Photo by our intern Raven Schaffter. Northern Ohio counties are falling like dominoes to cucumber downy mildew. The disease was...
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Basil Downy Mildew Observed in Wayne County, Ohio
Downy mildew on basil Downy mildew was spotted in a garden in Wooster, Wayne County, Ohio and confirmed by Dr. Francesca Rotondo, interim director of the OSU Plant and Pest Diagnostic Clinic. This is...
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Alert: First Report of Pumpkin Downy Mildew in Ohio and the Great Lakes Region
CDM.ipmpipe map of pumpkin downy mildew reports, August 10, 2022 We have had a confirmed report today from Bill Holdsworth of Rupp Seeds of downy mildew on pumpkins in research plots near Wauseon,...
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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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