Three University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers recently issued the document Suggested Use Pattern of Injectable Antimicrobials for Huanglongbing (HLB) Management. The authors are Ute Albrecht, associate professor of horticulture; Ozgur Batuman, associate professor of plant pathology; and Megan Dewdney, associate professor of plant pathology. The antimicrobials for Florida citrus are ReMedium TI and Rectify; …
Farmers Testify on Aging Ag Workforce
Florida Farmer of the Year Jim Alderman recently testified before the U.S. Senate Special Committee on Aging about the aging agricultural workforce and its impact on food security. “Farming isn’t just about growing crops. It’s about passing down knowledge, discipline and a way of life,” the owner of Alderman Farms in Boynton Beach said. “But that chain of succession is …
Orange Juice Market Share Declines
One hundred percent orange juice (OJ) fell from 67% beverage market share in 2022 to 62% in 2024, a Florida Department of Citrus (FDOC) economist told the Florida Citrus Commission recently. The economist, Director of Economic and Market Research Marisa Zansler, added that orange-flavored drinks gained overall share in volume sold during the same period. The FCC is the FDOC’s …
Oriental Fruit Fly Quarantine Lifted
The Oriental fruit fly quarantine in California’s Orange County has been lifted following the eradication of the invasive pest. The California Department of Food and Agriculture (CDFA), in partnership with the U.S. Department of Agriculture (USDA) and the Orange County agricultural commissioner, announced the action. The Oriental fruit fly is known to infest more than 250 types of fruits and …
Rootstocks for Improved Tolerance to HLB
By Lamiaa Mahmoud and Manjul Dutt Utilizing tolerant rootstocks to combat HLB is a long-term management strategy that can help sustain productivity and enhance tree survival, especially when implemented alongside other HLB management approaches. Australian limes are tolerant to HLB, and their DNA can be incorporated into HLB-susceptible citrus using conventional breeding methods to enhance tolerance to HLB. Over the …
June CSU Hurricane Forecast
Colorado State University (CSU) hurricane researchers on June 11 maintained their April forecast for an above-average 2025 Atlantic hurricane season. CSU’s Tropical Cyclones, Radar, Atmospheric Modeling and Software team cited above-average subtropical eastern Atlantic Ocean and Caribbean Sea surface temperatures as a primary factor for its prediction. While the June forecast has historically exhibited higher levels of accuracy than the …
Positive Changes
By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Two and a half years ago, Riley McKenna leveled with his dad. Without a tool that made a noticeable difference in the grove soon, it might be time for dad to retire and Riley to seek a new career. So why was he spending an April day with me and his cousin Morgan McKenna …
Best Bets for Brown Garden Snail Management
Brown garden snails (Cornu aspersum) can reach incredible population densities in California citrus orchards if left unmanaged. More than 1,000 snails per tree have been documented in some cases, according to Mark Hoddle, University of California, Riverside biological control specialist. To help growers deal with this problem, Hoddle recently participated in a Citrus Research Board webinar. He presented information on …
CRDF Board Convenes at Industry Conference
The Citrus Research and Development Foundation (CRDF) board of directors held its June meeting at the Florida Citrus Industry Annual Conference in Bonita Springs. “Congratulations to Florida Citrus Mutual for putting on another outstanding industry conference,” said Rick Dantzler, CRDF chief operating officer. “Several growers who attended told me they got an awful lot out of the meeting.” Dantzler said …
Effectiveness of Psyllid Insecticides in Brazil
Fundecitrus researcher Marcelo Miranda recently discussed the effectiveness of insecticides in combating greening-spreading Asian citrus psyllids in Brazil. He presented a lecture at the 50th Expocitrus/46th Citrus Week at the Sylvio Moreira Citrus Center in São Paulo. The information Miranda shared focused on the Citrus Belt of São Paulo and expansion areas. The researcher shared updated results of studies conducted …
Cause of Honey Bee Colony Collapses Found
Scientists at the U.S. Department of Agriculture’s Agricultural Research Service (USDA/ARS) are helping American beekeepers solve the mystery behind widespread honey bee colony collapses and the debilitating effects this has on U.S. agriculture. Researchers have submitted a manuscript to a scientific journal for peer review based on findings that identified high levels of deformed wing virus A and B and …
Limoneira to Rejoin Sunkist Growers
Sunkist Growers, Inc. announced that Limoneira Company, one of its original founding members, will rejoin the organization effective Nov. 1. The move marks a meaningful reunion and a bold step forward for both companies. “This is more than a return. It’s a powerful alignment of shared history, values and vision,” said Jim Phillips, president and chief executive officer (CEO) of Sunkist …
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 …
Bilingual Video on Nitrogen Application
To assist growers, the Coalition for Urban Rural Environmental Stewardship (CURES) has released a new bilingual educational video, 4Rs and Citrus Nitrogen. It is available in English and Spanish. The video focuses on nitrogen application in citrus crops, highlighting the 4Rs of nutrient management: Featured presenters in the video are Parry Klassen, CURES executive director; Courtney Jallo, CURES senior program …
Florida Orange Forecast Rises
The U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) released a citrus crop forecast update on June 12. Florida’s 2024–25 all-orange forecast climbed 3% to 12 million boxes. That’s an increase of 370,000 boxes since the May forecast of 11.63 million boxes. If the forecast is realized, it will be more than a third less than 2023–24 Florida …
Mental Health Report Released on Florida Farmers
A new statewide mental health report found that Florida farmers and ranchers face emotional distress, which is worsened by financial pressures and natural disasters. The Florida Farm Bureau Federation (FFBF) in partnership with the University of Florida Institute of Food and Agricultural Sciences Center for Leadership and Mind Your Melon Foundation released the report. The 2025 Mind Your Melon Farmer …
A Review of Enhanced Efficiency Fertilizers
A newly published article in the Journal of Plant Nutrition and Soil Science explains how enhanced efficiency fertilizers (EEFs) can help maximize yields while reducing farmers’ chances of hurting their pocketbooks or the planet. EEFs include controlled-release fertilizers (CRFs) and slow-release fertilizers (SRFs). Hardeep Singh, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor of cropping …





























