Growers and industry stakeholders gathered in Bonita Springs last week for the Florida Citrus Industry Annual Conference hosted by Florida Citrus Mutual. Despite the challenges of HLB and recent hurricanes, the event drew strong attendance. The educational program provided updates on potential solutions for the disease that has plagued the industry for two decades. SEEKING A RESISTANT TREEOne of the …
Florida Legislature Invests Record-Breaking $140 Million in Citrus Industry
Matt Joyner, Florida Citrus Mutual executive vice president and chief executive officer, issued the following statement in reaction to the Florida Legislature’s approval of nearly $140 million ($139,673,565) for the citrus industry in the state’s 2025–26 fiscal year budget: “Florida’s citrus growers applaud the Florida Legislature’s record-breaking investment of nearly $140 million to shepherd the state’s iconic citrus industry back to …
New Sweet Orange Scab Quarantine Established
A new quarantine area for sweet orange scab (SOS) was recently established in the Burbank area of California’s Los Angeles County. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) in cooperation with the California Department of Food and Agriculture announced the quarantine area. The 91-square-mile quarantine was established because of an SOS detection in a plant …
Consider Summer Gibberellic Acid Applications
By Tripti Vashisth, Maricielo Postillos and Taylor Livingston In recent years, many citrus growers in Florida have begun using gibberellic acid (GA) to enhance tree growth and productivity. Initially, the recommendation was to apply GA monthly from September to January for Valencia oranges to maintain canopy health, reduce fruit drop and improve yields. However, some growers are hesitant about applying …
Seven Lemon Selections Under Study
In a recent webinar, Tracy Kahn provided details about seven lemon selections undergoing Citrus Research Board trials at four California locations. Kahn is the Givaudan Citrus Variety Collection endowed chair at the University of California, Riverside (UCR). The information she presented included the selections’ compatibility with various rootstocks. All of the lemon selections are irradiated and described as seedless, except …
Grove-First Expands Search for HLB-Fighting Molecules
By Randall P. Niedz and Michelle Heck Grove-First is a collaborative research initiative developed by U.S. Department of Agriculture Agricultural Research Service (USDA/ARS) scientists and partners to solve citrus greening (HLB) by evaluating potential treatments directly in the field. This direct-to-field strategy is based on the idea that only field testing can determine whether a treatment can rejuvenate HLB-infected trees …
Citrus Funding Appears Promising
Recent reports from Florida Citrus Mutual (FCM) and California Citrus Mutual (CCM) indicate that major support is likely forthcoming for the U.S. citrus industry. RECORD FLORIDA FUNDING FCM reports that the Florida Legislature continues to finalize a budget for the 2025–26 state fiscal year with a vote expected in both the Senate and House chambers on June 18. Senate President Ben Albritton, has advocated for record citrus …
Brazilian Biotech Company Targeting Citrus Pathogens
With support from the São Paulo Research Foundation (FAPESP), Ideelab is developing more efficient strategies to combat pathogens that threaten citrus. The work of Ideelab, a São Paulo startup company, is based on the principle that plants communicate with microorganisms through specific molecules called effectors. Effectors are peptides and proteins that are produced naturally and interact with the pattern recognition …
Fundecitrus Honors São Paulo Ag Secretary
Brazil’s Fundecitrus recently led a tribute to Guilherme Piai, secretary of agriculture and supply of the state of São Paulo. The recognition of the secretary’s support in the fight against citrus greening occurred during the opening ceremony of the 50th Expocitrus/46th Citrus Week. Fundecitrus Executive Director Juliano Ayres presented Piai with a symbolic trophy in gratitude for his work and …
Increased Rainfall Impacts Florida Citrus
Recent rainfall has been a welcome sight for Floridians, but it can be a concern for the state’s citrus growers who are producing next year’s crop. Chris Oswalt, University of Florida Institute of Food and Agricultural Sciences citrus agent, cautions growers about citrus canker amid the increased moisture in the region. “With rainfall, you need to be concerned about those …
Citrus Engineer Honored
Ivaldo Sala, coordinator of the Fundecitrus Technology Transfer department, recently received the Outstanding Agricultural Engineer in Citrus award. The award was granted by organizers of the 50th Expocitrus/46th Citrus Week in Brazil. The award ceremony was part of the opening afternoon of the exhibition week. Sala, who has worked at Fundecitrus 32 years, said, “We have worked tirelessly, transforming the …
How to Achieve Accurate Herbicide Application
By Ramdas Kanissery As the summer season of weed control kicks off in citrus groves, now is the perfect time to make sure your spray rigs are set up for success. Effective weed control depends on: In many cases, poor herbicide performance is caused by two main issues: spraying at the wrong time and using incorrect application techniques. We’ve already …
Citrus Achievement Award Winner Brings the Fight to HLB
This year marks the 25th anniversary of the Citrus Achievement Award. Most of those years, growers have been honored who have generational legacies in citrus. This year’s winner, too, comes from a citrus family. Ben Albritton is the 2025 Citrus Achievement Award winner. He says his family’s legacy and love for his fellow growers has him in it for the …
HLB in Brazil: Focus on Psyllid Control
Fundecitrus researcher Renato Bassanezi recently emphasized the importance of controlling the psyllid that spreads huanglongbing (HLB, also known as citrus greening) in Brazil. Bassanezi pointed out that with the increase of HLB-spreading psyllids recorded in 2023 and the lack of eradication of diseased trees, controlling the HLB-spreading insect becomes increasingly important. The researcher said there can be no failures in …
Citrus Rust Mites in Georgia
By Jake Price There are two types of rust mites, the citrus rust mite (CRM) and the pink citrus rust mite (PCRM). The CRM is one of the biggest citrus pests in Georgia on fresh fruit. I don’t know that I have seen the PCRM in Georgia, but it is probably here. Every year, CRM is a problem at the …
California HLB Quarantines Expanded
Federal and state agriculture officials recently expanded the areas quarantined for huanglongbing (HLB, also known as citrus greening) disease in California. The quarantined area in the Foothill Ranch and Mission Viejo areas of Orange County has been expanded by 26.69 square miles, the Riverside area of Riverside County by 11.3 square miles, and the Valley Center area of San Diego …
Managing Aggressive Weeds in Citrus
Ramdas Kanissery gave advice for growers in a May 20 virtual presentation about managing aggressive weeds in citrus. Kanissery is a University of Florida Institute of Food and Agricultural Sciences associate professor of horticultural sciences at the Southwest Florida Research and Education Center in Immokalee. A summary of his recommendations follows. CULTURAL PRACTICES PRACTICAL APPROACHES As part of his presentation, …
Nearly $23 Million Awarded for HLB Research
The U.S. Department of Agriculture National Institute of Food and Agriculture (USDA/NIFA) announced May 28 it has invested nearly $23 million in 14 HLB projects in 2025. The projects seek to find solutions to combat and prevent HLB in citrus. The projects are part of the Emergency Citrus Disease Research and Extension Program. The University of Florida is the only …
Precision Ag for Louisiana Citrus
Anna Timmerman, a horticulture agent for the Louisiana State University (LSU) AgCenter, had to think swiftly to deal with a salt wedge that was rising up the Mississippi River. She was particularly worried how the saltwater would affect Plaquemines Parish citrus producers. “I had to learn very quickly — what to do and what to recommend in terms of salinity,” …
Management Methods for Alternate Bearing
Practices that might help with alternate bearing were recently addressed in a report by Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist. Alternate bearing, a common problem in many mandarin varieties, is the tendency of a tree to produce a heavy crop one year followed by a light crop the subsequent year. A slightly edited version …