Widespread Cucurbit yellow stunting disorder virus (CYSDV), squash vein yellowing virus (SqVYV), and cucurbit leaf crumple virus (CuLCrV) infestations have been reported on watermelon in multiple locations. Crumple virus and yellow stunt virus are now common in mature watermelon fields with low levels of vine decline.
Gummy stem blight is reaching moderate to high levels in watermelon fields.
Low levels of Anthracnose on watermelons.
Powdery mildew and Downy mildew was reported in cucumber and squash. Downy mildew is expected to increase in melons due to the recent rain.
Florida squash
South Florida pest and disease hotline | Oct. 8, 2023
Florida extension agents reported low to moderate levels of whiteflies on cucurbit crops in several regions. Whiteflies are vectors of several cucurbit viruses.
South Florida Vegetable Crop report
The South Florida Pest and Disease hotline reported on vegetable pests and diseases in January 2023.
Cucurbit Downy Mildew epidemic updates April 2022 | ipmPIPE
First reports of Cucurbit Downy Mildew in the U.S. in 2022 were reported in Florida in the end of April.
Vectors and disease present in Florida cucurbits
Florida cucurbit growers are reporting whiteflies, gummy stem blight, powdery mildew, and cucurbit downy mildew.
Downy Mildew & Powdery Mildew on Florida Squash
The January 31, 2022 edition of The South Florida Pest and Disease Hotline reported widespread issues with downy mildew in squash in South Florida. Downy mildew is also widely present in Homestead on squash and oriental cucurbits.
Florida Cucurbit pest report for January 2022
Whitefly infestations vary across Florida
The October newsletter from the South Florida Pest and Disease Hotline reports that whitefly infestations are widely present across central Florida. They are low to moderate in cucumber and squash. Populations are very low in watermelon.
