Unique silvering of the leaves is the characteristic symptom induced by feeding of immature stages of silver leaf whitefly which releases a toxin inducing the unique pattern on the leaves.
UF/IFAS Extension
Fusarium wilt had major impact on watermelons
There were about 1,500 additional acres planted this year in North Florida following last year’s bumper crop and high prices. However, fusarium wilt disease had a major impact on this year’s crop.
Gummy stem blight challenges Florida growers
Gummy stem blight causes lesions on leaves and stems and leads to defoliation. The disease favors warm, wet conditions.
Whitefly infestations observed in Florida
Whiteflies are responsible for transmitting multiple viruses, including cucurbit leaf crumple virus and cucurbit yellow stunting disorder virus.
Florida watermelons face disease threats
Recent excessive rains in North Florida have impacted the region’s watermelon crop. Growers could soon face the potential buildup of diseases. Downy mildew, Powdery mildew, and Gummy stem blight have been reported in the last few weeks.
Powdery mildew observed in Florida watermelons
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.
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.
Potential for Florida Melon Disease Buildup
Persistent rains in the North Florida region amid the current El Niño weather pattern is a potential concern for the region’s watermelon producers.
