Plant Pathologists will discuss Powdery Mildew and Cucurbit Downy mildew in the Vegetable & Cucurbit Session in rooms 201 and 202 on Wednesday: 10:00am: Powdery Mildew Efficacy Trials – What Works Best and Does Chlorothalonil Fit? Dr. Margaret T. McGrath, Cornell U, USA 10:30am: Fruit Rots and Foliar Diseases Dr. Margaret T. McGrath, Cornell U, […]
University of Florida presenters at the Florida Ag Expo in November discussed control Downy Mildew, Powdery Mildew, and Gummy Stem Blight on Cucurbits.
Growers can learn about research on pest control for specialty crops at the upcoming Florida Ag Expo: View the agenda here. We’re looking at ways to try to minimize the development of fungicide resistance as well as ways to try to make programs more cost-effective.
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 […]
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. […]
“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 […]
The Cucurbit Downy mildew ipmPIPE forcasts the likelihood of a CDM outbreak and reports outbreaks of the disease. August 10, 2019: New report from VA. CDM has been confirmed in Suffolk County, VA. August 8, 2019: First report from RI. New reports from SC, PA, and MD. CDM has been confirmed on butternut squash in […]
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 […]