Fruit Rots on Pumpkins, Gourds, and Winter Squashes, Black rot and Anthracnose on Cucurbita sp.
Gummy stem blight
Watermelon Fungicide Guide | Clemson
Four foliar diseases reduce watermelon yields in South Carolina. Gummy stem blight and powdery mildew are the most common diseases in spring crops.
South Carolina Grower Update | July 1, 2024
Watermelons continue to be harvested, but vine quality is on a sharp decline attributed to higher levels of gummy stem blight and other environmental factors. Anthracnose (Colletotrichum species) is present on the foliage of cucurbits
South Carolina Grower Update | June 24, 2024
Cucurbit growers should be on the lookout for gummy stem blight, downy mildew, powdery mildew, and fruit disease. Other issues with cucurbits right now include squash bugs and cucumber beetles.
2025 NWA Research Grant Program
The National Watermelon Association is commitment to funding research that supports watermelon farmers. The research that NWA funds through this program is entirely focused on production research, aimed at solving issues growers face on a regional or national basis.
South Carolina Grower Update | June 17, 2024
Watermelons are just starting to be harvested and the quality is good. Extension Agents are seeing some diseases in melons and squash, particularly gummy stem blight. Anthracnose is starting to cause a few problems for growers.
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.
Excessive Spring rain challenged watermelon crop
Early onset of foliar diseases, like downy mildew and gummy stem blight with a little bit of anthracnose made this an expensive spray year.
