Downy mildew symptoms on watermelon tends to be distinct compared to other cucurbits. The symptom start as small yellow spots that becomes dark necrotic.
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Powdery Mildew on Watermelon in SC
CucCAP Plant Pathologist Tony Keinath found Powdery Mildew on seedless watermelon at the Clemson Coastal Research and Education Center (REC) on Tuesday, May 23.
Spider Mites in Florida Watermelons
Spider mites have been observed in North Florida watermelons. While the pest is a common occurrence in dry weather, most are very isolated and require minimal action on the part of the grower.
SC Cucurbit Crop update | May 1, 2023
Keep scouting for cucumber beetles and squash bugs as both are currently being found in cucurbit crops. Watermelon planting continues on many farms, with damage being observed to new transplants from squash bugs. Spider mites are also being seen at high levels in some watermelon crops.
Downy Mildew in N. Florida Watermelons | May 2023
Downy mildew disease has been confirmed in North Florida watermelons. South Georgia and South Alabama watermelon producers should be wary since the disease can spread easily by the high winds being experienced this week.
Melonworms and Pickworms in Watermelon
Caterpillar pressure has increased to moderate levels in Homestead, Florida, though beet armyworm was reportedly at high levels in okra. Rindworm damage was also reported from melonworms and pickworms in watermelon.
Fusarium wilt in N. Florida watermelon
South Carolina crop updates | April 2023
In the S.C. coastal region, cantaloupes from seed and watermelon transplants have benefited from recent rain. Early planted watermelons, planted under plastic covers, have had covers removed and are approaching vine run. Managing gummy stem blight and preventing bacterial fruit blotch are critical now. In the Lowcountry, cooler weather will slow down early spring crops including cucurbits.
