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Freeze protection is a vital part of university research in the cold-hardy citrus region. Growers in South Georgia, South Alabama and North Florida only have to look back to last season to see temperatures that dropped to dangerously low levels for citrus production. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, discussed freeze-protection measures at the …
Fertilizer recommendations for citrus are still a work in progress for University of Georgia (UGA) researchers, including Mary Sutton, UGA assistant professor and citrus Extension specialist. She discussed this topic at the recent Southeast Georgia Citrus Update in Lyons. South Georgia citrus production is still in its early stage. Fertilizer recommendations are needed for the industry’s long-term sustainability. “We’re hoping …
The threat of Asian citrus psyllids to cold-hardy citrus does not mean growers should ignore other insects and their potential impacts in North Florida, South Georgia and South Alabama. The citrus red mite should be a concern for growers, especially in the spring and if certain weather conditions persist, explains Apurba Barman, University of Georgia (UGA) assistant professor of entomology …
One of satsuma mandarin’s drawbacks is its alternate bearing tendency. It will produce a heavy crop load one year and a low one the next year. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, said tree hedging may provide a solution. She discussed the management technique at the Southeast Georgia Citrus Update in Lyons, Georgia on …
Citrus greening disease continues to loom over the cold-hardy citrus region. While the industry expands in South Georgia and North Florida, the threat of the disease (also known as huanglongbing, or HLB) remains a focal point of citrus meetings, including on July 28 at the Southeast Georgia Citrus Update in Lyons. Jonathan Oliver, University of Georgia (UGA) assistant professor and …
Cold-hardy citrus in the Southeast endured sub-freezing temperatures in mid-December, the second major freeze to impact the region this season. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, discussed how this freeze impacted citrus trees and fruit in North Florida, South Georgia and South Alabama. “We’re seeing some damage on younger trees that were probably planted …
Snail impacts on Southeast citrus production can be devastating. A big part of the problem is not the damage to citrus trees but the harm the pest inflicts on irrigation systems. Lauren Diepenbrock, University of Florida Institute of Food and Agricultural Sciences associate professor and entomologist, conveyed this message to cold-hardy producers during the Citrus Grower’s Summer Update meeting on …
Georgia citrus growers are a couple of months away from harvest season. If producers are going to maximize this year’s crop, they need to protect it from insect pests. Apurba Barman, University of Georgia assistant professor of entomology at the Tifton Campus, discussed insect pests during the Southeast Citrus Update in Lyons, Georgia on July 24. He focused on a …
Citrus greening disease has yet to find its footing in Georgia. But that doesn’t mean it can’t or won’t eventually. Mary Sutton, University of Georgia assistant professor and citrus Extension specialist, discussed the ramifications of citrus greening during the recent Southeast Citrus Update in Lyons, Georgia. “If we get greening established here, we’ll start seeing lower and lower production on …
Georgia citrus growers are still in the honeymoon phase of production with regards to disease, said Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist. While established groves in Florida have had to deal with disease buildup for decades, disease has yet to be problematic for South Georgia citrus production. But that could be changing. “With respect …
By Clint Thompson and Dale Sandlin The potential lack of satsuma mandarins this season in the cold-hardy citrus region should not discourage growers from adding to their production portfolio in the future. It just means they need to try other varieties, despite satsumas being the most commonly produced variety in the region. Jake Price, University of Georgia (UGA) area citrus …
The current dry period in the Southeast can negatively impact the region’s citrus groves. Trees in the cold-hardy citrus region of North Florida, South Georgia and South Alabama need water, especially ahead of the next harvest season. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, discussed why water is so important this time of year. “Water …
By Maegan Beatty Earlier this month, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center (NFREC) hosted the 2025 Citrus Health Forum. Growers gathered to learn about citrus production and hear regional citrus updates. Muhammad Shahid, UF/IFAS assistant professor, presented information on optimizing nitrogen fertilization to enhance the quality of satsuma mandarins. …
Climate change is a key reason that citrus production has progressed in South Georgia, North Florida and South Alabama, the area known as the cold-hardy citrus region. As more varieties, other than satsuma mandarins, continue to be planted in the area, warmer temperatures are needed for trees to flourish. Arnold Schumann, professor of soil fertility and water quality at the …
The University of Georgia (UGA) announced the appointment of citrus Extension specialist Mary Sutton and peach and citrus breeder Dario Chavez. MARY SUTTON Sutton will focus on maximizing citrus production and improving its efficiency in the face of challenges. Issues important to citrus production in Georgia include: Sutton received her master’s degree in horticulture from UGA in 2019 and her …
Citrus production in the Southeast has spiked due to increased warmer temperatures in recent years. This is reflected in the new U.S. Department of Agriculture Plant Hardiness Zone Map. The updated hardiness zones show a region that is more conducive to growing crops than it has been in prior years. The concern over colder temperatures has dissipated due to global …
Hot temperatures and dry conditions in some parts of the Southeast add up to ideal conditions for mite populations to increase in citrus groves. Lauren Diepenbrock, University of Florida Institute of Food and Agricultural Sciences assistant professor and entomologist, said citrus can tolerate some spider mite pressure. Increased pressure, though, can leave an impact. “You can handle some amount of …
The citrus industry is expanding in Georgia. With that growth comes the need to slow the spread of the Asian citrus psyllid (ACP), the vector of HLB disease. Although not yet found in Georgia’s commercial citrus production, there have been confirmed HLB-positive residential citrus trees. The disease has the potential to greatly hinder the state’s citrus industry. Therefore, University of …
As the Georgia citrus industry continues to grow and prosper, growers should be aware of the potential signs of citrus pests and diseases that could be looming in their groves. Bill Barber, Certified Crop Advisor and owner of Barber Ag Services, delivered a presentation during the 2021 virtual Southeast Regional Fruit and Vegetable Conference. He addressed pests and diseases presently …
University of Georgia Agricultural (UGA) Climatologist Pam Knox provided a climate outlook during a recent Georgia Citrus Update webinar. According to Knox, a strong La Niña is in place in the eastern Pacific Ocean, and the winds are now in sync with the ocean conditions. This signifies that La Niña is likely to continue through the winter months and into …
