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 …
Tomato Spotted Wilt Virus on Rise in North Carolina
By Clint Thompson High populations of thrips meant a surge in tomato spotted wilt virus (TSWV) in North Carolina tomatoes this season. Inga Meadows, North Carolina (N.C.) State Extension specialist, discusses the uptick in thrips activity this year. Since thrips vector the virus, that meant more incidences of TSWV. “In some parts of North Carolina, we’ve had quite a bit …
Rain’s Impact on Diseases in Peaches
By Clint Thompson The increase in rainfall across the Southeast is having minimal impact on diseases in the region’s peach crop. Phil Brannen, University of Georgia Extension fruit disease specialist, discusses the current scenario facing producers as harvests continue. “Thankfully, we’re no longer drought stressed in a lot of the locations, which is good. There’s been an increase in disease …
Tomato Season: Prepare for Bacterial Spot
By Clint Thompson Tomato season may have just ended in North Florida, but the fall crop will soon be planted. Josh Freeman, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor in horticultural science, estimates planting will begin around July 20-23. But growers should be mindful of one disease that could threaten the fall crop, especially amid …
UF/IFAS Research: Diseases Minimal in Hops
By Clint Thompson Potential hops producers in Florida can rest easy knowing diseases are minimal, if they start with clean material. Gary Vallad, professor of plant pathology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Gulf Coast Research and Education Center, discusses what findings his research has yielded so far in this up-and-coming commodity. “The only …
Blueberry Management for July
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) reminds Florida producers about what blueberry management tactics they need to consider as the calendar turns to July. Growers should scout for algal stem blotch, a key disease in southern highbush blueberries. It can stunt growth and cause yellowing in leaves. Farmers should also monitor and manage leaf diseases. They …
Biopesticides (Seem to) Perform Poorly Against Black Spot on Kale
From Clemson Plant Pathologist Tony Keinath in The South Carolina Grower . As part of a U.S. Department of Agriculture Organic Transitions Program grant, we tested 10 biopesticides on organic kale ‘Oldenbor’ to determine if any product controlled Alternaria leaf spot, a.k.a. black spot on kale. None look promising. No biopesticides reduced black spot on kale compared to the non-treated …