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 StrawberriesÂ
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 …
Correct Disease Diagnosis Crucial for Producers
By Clint Thompson An incorrect diagnosis of a plant disease can be a costly error for a producer. In an era where input prices are just as high as they have ever been, a farmer can ill-afford to apply the wrong fungicide. Gary Vallad, professor of plant pathology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …
No Rain, Minimal Disease Pressure for Vegetable Growers
By Clint Thompson The lack of rainfall in recent weeks means increased irrigation usage for Georgia’s specialty crop producers. It has also meant reduced disease pressure, which is normally prevalent this time of year. Tim Coolong, associate professor in the University of Georgia (UGA) College of Agricultural and Environmental Sciences, discusses the current scenario facing vegetable production. “Thus far, as …
Strategies for Strawberry Disease Management
By Jeff Cook, Garrett Hibbs and Phillip Brannen The key to a successful strawberry season is protecting the plants and developing fruit from insects and diseases. Other than spider mites, fungal diseases pose the biggest threat in the form of production losses. Using multiple disease control strategies helps reduce damage and is important in disease resistance management. FIRST STEPS AND …
Transitioning Tips for Summer to Fall Vegetable Crops
By Ayanava Majumdar, Chip East and Eric Schavey The southeastern United States is the hotbed of insect and disease issues in vegetable crops. Growers constantly have to deal with not only established pest and weed issues, but also the invasive ones. Organic farming of vegetables is a challenge for producers everywhere in the United States, and the battle against insect …
Neopestalotiopsis Concerns in Alabama
By Clint Thompson A new strawberry disease in Alabama was not as bad as it could have been. Farmers can thank the dry weather conditions that neopestalotiopsis fruit rot disease did not devastate more plants than it could have. Growers only have to look at Florida to see the devastation this disease can cause. “One problem that did develop is …
Citrus Greening and Canker Concerns for Georgia Growers
The recent Citrus Growers’ Summer Update in Valdosta, Georgia, provided growers another outlet to learn about two diseases — citrus greening and citrus canker — that could have serious ramifications on the industry’s future in Georgia. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, highlighted the seriousness of the discovery of both of the diseases in …
Choanephora Blight Found on Green Bean in Charleston
Due to frequent rains, cloudy weather and high humidity, Choanephora blight or wet rot was found throughout a one-acre planting of green bean cultivars and breeding lines at Coastal Research and Education Center last week, according to The South Carolina Grower. Growers and home gardeners may see similar symptoms on late-planted beans throughout South Carolina. Choanephora blight is a common …