Powdery Mildew on Watermelon in Florida
A close-up picture of a watermelon leaf exhibiting symptoms of powdery mildew.
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watermelon pest

How to Cite

Roberts, Pamela D., Mathews L. Paret, and Nicholas S. Dufault. 2019. “Powdery Mildew on Watermelon in Florida: (PP342, 11/2018)”. EDIS 2019 (1). Gainesville, FL. https://doi.org/10.32473/edis-pp342-2019.


This 3-page document discusses the symptoms and management of powdery mildew, a problematic fungal disease, on watermelon in Florida. Written by Pamela D. Roberts, Mathews Paret, and Nicholas Dufault and published by the UF/IFAS Plant Pathology Department, January 2019.

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Keinath, A. P. and V. B. Dubose. 2004. "Evaluation of fungicides for prevention and management of powdery mildew on watermelon." Crop Protection. 23: 35-42. https://doi.org/10.1016/S0261-2194(03)00165-0

Kousik, C. S., R. S. Donahoo, C. G. Webster, W. W. Turechek, S. T. Adkins, and P. D. Roberts. 2011. "Outbreak of cucurbit powdery mildew on watermelon fruit caused by Podosphaera xanthii in Southwest Florida." Plant Disease. 95: 1586 https://doi.org/10.1094/PDIS-06-11-0521

Maia, G. S. 2012. "Isolation, identification and characterization of cucurbit powdery mildew in North central Florida." Ph.D. Thesis. University of Florida.

McGrath, M. T. 2001. "Fungicide resistance in cucurbit powdery mildew: experiences and challenges." Plant Disease. 85: 236-245. https://doi.org/10.1094/PDIS.2001.85.3.236

McGrath, M. T. 2017. "Powdery Mildew." In: Compendium of Cucurbit Diseases. Keinath, A.P., Wintermantel, W.M., and Zitter, T.A. eds. 62-64. St. Paul, MN: American Phytopathological Society.

McGrath, M. T. and Z. F. Sexton. 2018. "Poor control of cucurbit powdery mildew associated with first detection of resistance to cyflufenamid in the causal agent, Podosphaera xanthii, in the United States." Plant Health Progress 19: 222-223. https://doi.org/10.1094/PHP-06-18-0029-BR

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