University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension confirmed the presence of Powdery mildew this week, though most fields have not yet shown signs of the disease. A microclimate of humidity promotes disease on the watermelon vines.
Florida watermelons
Accurate Diagnosis Constant Monitoring key to managing Fusarium wilt
Cool and cloudy weather patterns associated with this year’s El Niño climate have created conducive conditions for Fusarium wilt.
Gummy Stem Blight and Powdery Mildew Strategies
Gummy stem blight has been observed in Florida. This is the time to be on the lookout for both gummy stem blight and powdery mildew and to think about upcoming disease management strategies.
Bacterial and Alternaria leaf spot confirmed
Favorable Weather for Fusarium pathogen
North Florida watermelon producers have observed Fusarium wilt symptoms in some fields. As the disease develops, plants will exhibit low vigor, wilting during the hottest parts of the day and have a grayish-green appearance.
Managing Fungicide and Irrigation for young Watermelon plants
After watermelon plants are in the ground, a preventative fungicide program every 7 to 10 days along with irrigation management will be necessary for disease management.
Watermelons planted early in Florida
The calendar may say Feb. 20 but for some watermelon growers in North Florida, it says it is planting time.
Fusarium warning due to cool & wet weather
North Florida watermelon producers should be wary of increased potential for fusarium wilt disease with planting season looming.
