An August citrus mealybug (CMB) pest memo released by University of California Agriculture and Natural Resources warned that CMB activity typically peaks during the summer months. Highlights from the memo follow: In August, it is critical to access both pest pressure and natural enemy activity. This is a crucial period for making informed decisions that support biological control and avoid …
UF/IFAS Launches New Magazine at Citrus & Specialty Crop Expo
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) debuted a new publication at the Citrus & Specialty Crop Expo. The UF/IFAS Citrus Magazine is an Extension initiative to deliver Florida’s geographically dispersed citrus research to growers. “You can expect three editions per year, featuring articles written by UF/IFAS citrus scientists and Extension faculty across the state,” said …
Organic Fertilizer Substitution Improves Citrus Quality
A recently published Chinese study found that long-term substitution of chemical fertilizers with organic fertilizers can improve the quality of citrus fruits. The authors found that 50% organic nitrogen substitution is the appropriate proportion for promotion in Newhall navel orange production. The study is titled “Organic fertilizer substitution synergistically improves the fruit-soil-bacteria system in Newhall navel orange under long-term management.” …
Syngenta Seeks Summer 2026 Citrus Interns
Syngenta Crop Protection is recruiting citrus interns in Florida for summer 2026. Paid interns will gain hands-on experience in the agriculture industry. Each intern will be assigned to a mentor and a territory for a summer project and be provided a vehicle for work use. Interns will gain experience in territory management along with pest and disease identification. The internships …
Budding Arrival in Brazil Raises Citrus Greening Concern
According to Fundecitrus, the arrival of budding in orange groves marks a critical period for Brazilian citrus growers. The budding process intensifies with the onset of rain, requiring more rigorous control of the psyllid that feeds on buds and transmits the bacteria that causes citrus greening. The budding period, which runs from July to October in Brazil, accounts for between …
Alico Posts Results After Last Major Citrus Harvest
Alico, Inc. on Aug. 12 announced its financial results for the third quarter ended June 30, following completion of its last major citrus harvest. John Kiernan, Alico president and chief executive officer, said the harvest marks “a significant milestone in our strategic transformation to become a diversified land company. This harvest concludes the majority of our capital-intensive citrus production operations, …
Reducing Fruit Drop in HLB Citrus
By Tripti Vashisth Fruit drop has become one of the biggest challenges for Florida citrus growers, especially in groves hit hard by HLB. On top of the disease, recent hurricanes like Ian and Milton have made the problem worse, causing fruit to drop not just during the storm but often weeks later. Other stresses — such as drought, flooding or …
Gene-Edited Citrus Comes Closer to Commercial Realization
In 2012, Jennifer Doudna, Emmanuelle Charpentier and their research team published a paper in the journal Science describing the CRISPR-Cas9 system as a precise gene-editing tool. It was considered a major scientific breakthrough with huge possibilities in human medicine and in agriculture. Doudna and Charpentier were awarded the Noble Peace Prize in chemistry in 2020 for their pioneering work with …
Fundecitrus Hosts California Delegation
Brazil’s Fundecitrus recently hosted a delegation of approximately 20 agricultural leaders from California. Karen Ross, secretary of the California Department of Food and Agriculture, led the delegation. The group visited Brazil to learn more about Fundecitrus’ research, education, training and sustainability initiatives focused on citrus farming. The Californians participated in technical discussions with researchers and took a tour of Fundecitrus’ …
Preventing Citrus Greening Establishment in Georgia Groves
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 …
Florida Has a New Citrus Extension Agent
Edwin Gutierrez is the new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus Extension agent for Florida’s Manatee, DeSoto and Hardee counties. “The citrus industry in Manatee, Hardee and DeSoto counties faces significant challenges,” said Gutierrez, who was raised in a farming family in Colombia. “Despite these challenges, I remain optimistic about the resilience of local growers …
UF/IFAS To Share the Latest Research at the Citrus & Specialty Crop Expo
By Jamie D. Burrow and Tripti Vashisth There are many aspects to research from start to finish, but it’s the time in between that can be most intriguing and exciting. Each year, the UF/IFAS Citrus Team brings the latest research to the Citrus & Specialty Crop Expo. The Aug. 20–21 trade show at the Florida State Fairgrounds will be your …
CITRUS NURSERY SOURCE: Gearing Up for a New Season
By Peter Chaires Summer schedules can make it challenging to assemble board meetings and facilitate planning for the fall season. Once the Florida Citrus Industry Annual Conference concludes in June, folks tend to disperse to their favorite islands, fishing holes, mountain hideaways and beaches. Some visit friends and family. Others seek isolation and a psychological recharge. For everything, there is …
Honeymoon Phase for Georgia Citrus Production
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 …
Probable Requirements for Shipping Georgia Citrus to Florida
The Georgia Department of Agriculture (GDA) recently announced probable State of Florida requirements for shipping fresh citrus from Georgia to Florida in the upcoming season. Georgia hopes to again be able to ship fresh fruit to Florida in 2025 to be packed. As in previous years, the Florida Department of Agriculture and Consumer Services will almost certainly require groves to …
Extensive Educational Opportunities at the Citrus & Specialty Crop Expo
The Citrus & Specialty Crop Expo is fast approaching. During the July All In For Citrus podcast, Tripti Vashisth, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor, discussed the extensive citrus seminar program scheduled for Aug. 20–21 at the Florida State Fairgrounds in Tampa. The citrus sessions will include more than 20 speakers over the course …
Brazil and China Cooperating on Citrus Greening Research
Fundecitrus Executive Director Juliano Ayres and researcher Nelson Wulff visited China recently to learn about strategies to combat citrus greening and to strengthen research partnerships. Their agenda included technical visits and participation in an international symposium on biotechnological innovations aimed at controlling greening. Among the highlights was a visit to the greenhouse of the Chinese Academy of Sciences in Beijing. …
Cold-Hardy Citrus Growers Should Consider Multiple Varieties
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 …
Mounting Concern for American Tariffs on South African Citrus
The Citrus Growers Association (CGA) of South Africa expressed concern about newly proposed U.S. tariffs that threaten the viability of South African citrus exports to America. According to the association, a 30% tariff rate placed on South African citrus would put the industry at a significant disadvantage, since some other citrus-exporting countries face only a 10% levy. The association warned …
Cold-Hardy Citrus Production: A Learning Process
Production in the cold-hardy citrus region continues to be a learning process for growers. Producers in North Florida, South Georgia and South Alabama are learning this year the price of alternate bearing for their satsuma mandarin crop. After a heavy crop load last season, production is expected to taper off quite a bit this season across the cold-hardy citrus region. …





























