Field-planted cucumbers and zucchini are close to the first harvest in southwest Michigan. Angular leaf spot has been found in at least one farm, which can look like downy mildew. The Hausbeck lab at Michigan State University has begun deploying its spore traps for monitoring downy mildew as it as it moves north.
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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.
2024 Fusarium wilt experiment in SC
More Evidence that Choosing Grafting or the Right Cultivar is More Important than Using Fungicides to Manage Fusarium Wilt of Watermelon
Whitefly infestations observed in Florida
Whiteflies are responsible for transmitting multiple viruses, including cucurbit leaf crumple virus and cucurbit yellow stunting disorder virus.
South Carolina Grower Update | June 3, 2024
Tony Keinath, Extension Plant Pathologist reported that powdery mildew was found this week on watermelons at the Edisto Research and Education center.
Downy Mildew reported on Cucumbers
Downy mildew on cucumbers was reported on May 31 in Charleston County, SC and less than a week later CDM was reported in Sampson County, NC
Disease resistance is one tool available to growers
A plant’s genetic resistance to diseases is something researchers actively pursue across the country.
Michigan Cucurbit update | May 22, 2024
Pumpkins planted with plastic mulch tend to grow faster. This may may result in longer powdery mildew foliage management to protect fruit from sunburn.