Whitefly pressure is high and still increasing on crops in SW Florida. On the East Coast of Florida, whitefly populations are low to moderate on cucumber. In Homestead, whitefly pressure is high on squash. Visit the hotline for whitefly management information. In the Homestead area, leafminer populations are medium on squash. Continue reading
Cucurbit disease and pest reports
Cucurbit crop diseases and pests are reported in newsletters and forecasting sites by crop producers, Extension Agents, and Plant Pathologists from many regions in the United States.
Whiteflys infesting watermelon and squash
According to the Southe Florida Pest and Disease Hotline, whitefly levels are high in many crops including watermelon and squash.
UF | IFAS Commercial Vegetable Production Website
Visit the new commercial vegetable production website to view links to previous Pest and Disease Hotlines, upcoming and recorded South Florida Vegetable Growers’ Meetings, and upcoming Pesticide Classes.
South Florida Vegetable Crop report
The South Florida Pest and Disease hotline reported on vegetable pests and diseases in January 2023.
Cucurbit Downy Mildew updates October 2022 | ipmPIPE
October 10: CDM has been confirmed on butternut squash in PA.;October 5 CDM has been confirmed on pumpkin in MS and on pumpkin in AL.
October 3: CDM has been confirmed on gourd and pumpkin in MS; on cucumberand on butternut squash in AL.
South Florida Pest and Disease news
The South Florida Pest and Disease Hotline is a newsletter published by Florida Extension Agents. In October, the newsletter reported on crop damage caused by Hurricane Ian, whitefly observations on watermelons, Cucurbit leaf crumple virus in watermelons, and reports of gummy stem blight on watermelon in Southwest Florida.
Pennsylvania Vegetable Disease Update
Downy mildew on jack-o-lantern pumpkin was reported for the region. Downy mildew has also been reported on summer squash in New Jersey and watermelon on Long Island, NY. These hosts are primarily affected by clade 1 isolates of cucurbit downy mildew. Before this, downy mildew has primarily been affecting cucumber and cantaloupe, which are largely affected by clade 2 isolates.
Cucurbit Downy Mildew updates September 2022 | ipmPIPE
Epidemic Status of cucurbit downy mildew (Pseudoperonospora cubensis) displayed on the website map for 9-22-2022 on all Cucurbit hosts. Disease observations on cucumber, squash, and pumpkin were reported in the previous seven days.