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 …
Brazil’s Citrus Tree Inventory Updated
Brazil’s Fundecitrus recently released its 2025–26 Tree Inventory of the São Paulo and West-Southwest Minas Gerais Citrus Belt. The report shows the estimated grove inventory as updated in March 2025. The area planted with citrus showed a slight increase compared to the previous mapping, contrary to the trend observed in recent surveys. While there was a reduction of 16,956 hectares …
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 …
Growers Look to the Future at Florida Citrus Industry Conference
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 …
Citrus & Specialty Crop Expo to Feature Inspirational Speaker
The 2025 Citrus & Specialty Crop Expo will feature a special speaker and inspirational message from retired Battalion Commander Jack Oehm of the Fire Department of New York City (FDNY). Oehm was a battalion chief who first arrived at Ground Zero after both World Trade Center towers collapsed on Sept. 11, 2001. It was a tragic day for Oehm, the …
Florida Department of Citrus Presents Replanting Strategy
At the June Florida Citrus Commission meeting, Florida Department of Citrus Director of Economic and Market Research Marisa Zansler presented a strategic overview of the economic case for citrus replanting. Her presentation focused on how targeted investments in grove restoration, supported by aligned Florida-centric marketing and infrastructure protection, can stabilize the industry and position it for long-term viability at a …
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 …
Fundecitrus Launches Good Fruits Labor Project
Brazil’s Fundecitrus launched the Good Fruits program, aimed at adoption of legal practices in labor relations, during the recent Expocitrus event. The program’s objectives are to contribute to more responsible management on rural properties, strengthen compliance with Brazilian standards and promote a fairer, safer and more productive work environment. After launching the project, Fundecitrus distributed the guide “Employer Good Practices …
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 …
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 …