By Clint Thompson 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. “With the way the winds have been blowing here recently I think we’re in a situation where it’s relatively high risk throughout the …
Research Updates on Diseases in Georgia Cucurbits
By Bhabesh Dutta Cucurbit production in Georgia is affected annually by a variety of pests and diseases. Two diseases in particular, fusarium wilt and cucurbit anthracnose, have been a cause of concern for the last five years. This article gives a brief update on the progress the University of Georgia (UGA) vegetable team1 of scientists has made studying these diseases …
Powdery Mildew Found in Various Levels Throughout South Florida
Powdery mildew disease is being observed in cucurbits in South Florida, according to the South Florida Pest and Disease Hotline. Infestation is moderate in some squash plantings in southwest Florida. Pressure is high on mature squash along the east coast. Scouts also report increased infestations in squash fields in Homestead, Florida. All cucurbits are vulnerable to powdery mildew, though the disease …
Disease Management Recommendations for Florida Melon Growers
By Clint Thompson University of Florida Institute of Food and Agricultural Sciences recommends North Florida watermelon producers continue a weekly application of Bravo or other chlorothalonil product. This helps protects against early disease development, said Bob Hochmuth, UF/IFAS Regional Specialized Extension agent in Live Oak, Florida. “Early in the season, we suggest that they continue with a weekly application of chlorothalonil,” …
Blueberry Rust a Problem Throughout the Year for Florida Growers
By Clint Thompson One blueberry disease continues to surface to the top of concerns for Florida growers. Leaf rust is an ongoing problem that plagues production throughout the state, says Phil Harmon, professor and Extension plant pathologist at the University of Florida. “In evergreen production, rust has still been an issue. The dry weather has reduced it compared to last …
Bayer Announces Luna® Pro Fungicide
Luna® Pro fungicide, a premium premix fungicide that provides control of foliar and soilborne diseases in potatoes, is the latest release from Bayer. It utilizes prothioconazole, a DMI (DeMethylation Inhibitors) foliar fungicide, and fluopyram, an SDHI (succinate dehydrogenase inhibitor) fungicide. The combination of the two proven active ingredients offers a defense against early blight, white mold and other key potato …
Why There Is a Lack of HLB in Georgia
HLB has yet to become a major problem for Georgia’s citrus producers. Jonathan Oliver, University of Georgia assistant professor and small fruits pathologist, attributes the disease’s lack of presence in Georgia’s commercial groves to multiple factors. “It still comes down to the fact that, number one, you don’t see symptoms for a while. A lot of our trees are young,” Oliver says. …
Facing Tomato Disease Throughout South Florida
One tomato disease remains prevalent in South Florida, according to the South Florida Pest and Disease Hotline. Target spot (Corynespora cassiicola) is being observed at moderate to high levels in tomato fields across the region. It is also extremely high in older plantings in fields on the east coast. Target spot symptoms can be confused easily with bacterial spot and early …
Florida Strawberries Face an Increase in Angular Leaf Spot
By Clint Thompson Angular leaf spot disease has been problematic for Florida strawberry growers. The colder winter weather contributed to its impact this season, says Natalia Peres, professor of plant pathology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Gulf Coast Research and Education Center. “It usually becomes worse when we have freeze events which we’ve had …
Neopestalotiopsis on the Move in Strawberries
By Clint Thompson Neopestalotiopsis disease has been widespread across strawberry fields in the Southeast. It started in Florida and has continued in South Carolina. Natalia Peres, professor of plant pathology at the University of Florida/IFAS Gulf Coast Research and Education Center, said the increase in disease infestations is not surprising. “It’s not surprising considering we’ve had some weather like some rain and …