Powdery mildew was found on three cultivars of seedless watermelon at the Clemson Coastal REC on May 23, 2023
Powdery Mildew
Florida Watermelon Producers Should Guard Against Powdery Mildew
Powdery mildew is different than most of the other major watermelon diseases in that it can become active under relatively dry conditions.
Michigan vegetable report | August 2022
Powdery mildew was reported on pumpkins and hard squash across the state. Downy mildew spores have been detected in all spore traps in the state’s network.
South Carolina Field update | May 23, 2022
Disease update for Florida watermelons
UF/IFAS Extension reports on disease priorities for Florida cucurbit growers. Management of Downy mildew, gummy stem blight, and powdery mildew management on watermelon and cantalope.
Powdery Mildew Detected in North Florida Watermelon
North Florida Watching for Powdery Mildew
Florida has a rapid diagnostic program in place for farmers to use. If they suspect that their crop has powdery mildew, the grower should reach out to their county Extension agent who will help them send a sample to the lab.