Focus on Cucurbits


Identification, Monitoring, and Reporting
of Cucurbit Downy Mildew

August 2020



By Rebecca A. Melanson, Ph.D.
Extension Plant Pathologist
Mississippi State University
Raymond, Mississippi
Phone: 601-857-2284
Email: rebecca.melanson@msstate.edu


Watch Presentation (19 min 41 sec)

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Summary: Downy mildew is one of the most important diseases of cucurbits and can cause significant yield losses. In the United States, the disease is common in the southeastern and eastern states. Topics addressed in this presentation include characteristics of the pathogen; symptoms and signs of disease; and disease detection, identification, and management. Resources for identification and management include the cucurbit downy mildew ipmPIPE website. This webcast is one of two offered as part of the USDA-funded project Regional Approach to Cucurbit Downy Mildew Prevention, Monitoring, and Management. The second webcast discusses management of cucurbit downy mildew in both conventional and organic cucurbit production.


Biography: Rebecca A. Melanson is an assistant Extension professor and plant pathologist with the Mississippi State University Extension Service. Her area of specialty is diseases of fruits, nuts, and vegetables. Dr. Melanson has a BS degree in biology from Centenary College of Louisiana and MS and PhD degrees in plant health with an emphasis in plant pathology from Louisiana State University (LSU). Her previous positions have included research associate at the LSU AgCenter Pecan Research Extension Station and graduate research assistant in the LSU Department of Plant Pathology and Crop Physiology.





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