In the March episode of the All In For Citrus podcast, Tripti Vashisth, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center assistant director, discusses demands that the recent freeze and ongoing drought have been putting on trees. Both factors heighten the importance of irrigation and fertilization. Vashisth notes the freeze knocked a lot …
Citrus Administrative Committee Seeks Nominations
The Citrus Administrative Committee (CAC) is seeking nominations for new committee members and alternates to serve two-year terms from August 2026 to August 2028. Nominations for members and alternate members will be submitted within an official nomination meeting. This meeting will be held via Zoom on April 16 at 1:30 p.m. A chairman and secretary will be elected to manage …
Growers Putting CRISPR Trees Into the Ground
More than 300,000 CRISPR-edited citrus trees are being planted this year that have shown great potential against citrus greening disease in test groves. CRISPR, which stands for clustered regularly interspaced short palindromic repeats, is a gene-editing technology to help citrus growers produce a crop amid the disease. The Florida citrus industry is eager to see how these trees will respond …
Gmitter and Grosser Receive Rare Award
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeders and geneticists Fred Gmitter and Jude Grosser recently received the rare Citrus Research and Education Center (CREC) Resident Professorship Award. The award has only been bestowed four other times in CREC’s 109-year history. The award recognizes careers that have brought distinction to the CREC through outstanding programs, important …
EPA Urged to Complete Review of Emerging Rootstocks
U.S. Rep. Scott Franklin recently led members of the Florida congressional delegation in urging the Environmental Protection Agency (EPA) to complete a timely, science-based review of emerging citrus rootstock technologies to combat huanglongbing (HLB) disease, also known as citrus greening. Florida’s citrus industry has faced steep declines due to HLB, compounded by recent hurricanes and freeze damage. Production has dropped …
Micronutrient Management for Improved Citrus Productivity
By Davie Kadyampakeni, Alisheikh Atta and Muhammad Shahid Micronutrients are those nutrients not required in large quantities but are important for improved tree performance. In the era of huanglongbing (HLB), micronutrients such as manganese (Mn), zinc (Zn), boron (B), iron (Fe) and copper (Cu) have become very critical for optimal tree management. For example, B is known to help the …
Potential Impact of Drought on Citrus Production
The prolonged drought in the Southeast could negatively impact citrus trees if growers are not applying the right amount and frequency of irrigation. Mary Sutton, University of Georgia (UGA) assistant professor and citrus Extension specialist, shared that message following the April 2 release of the U.S. Drought Monitor map for the Southeast. The map shows exceptional drought conditions worsening and …
Integrated Nutrient Management for Sustainable Citrus Production
By Davie Kadyampakeni, Jonas Pereira de Souza Junior, Edilaine Istéfani Franklin Traspadini, Shankar Shrestha and Alisheikh Atta Integrated nutrient management is critical for improved and sustainable citrus production. Typical practices include split fertilization applications, the use of leguminous cover crops and the incorporation of soil amendments. This article discusses the importance of using novel blends, including macronutrients and micronutrients, as …
Complex Responses to IPCs in Mandarin Trees
Recent research showed that individual protective covers (IPCs) proved highly effective in reducing Asian citrus psyllid (ACP) populations and thereby preventing HLB infection in three mandarin cultivars. However, overall tree response varied. The research was published in the Journal of the American Society for Horticultural Science. The authors are Saoussen Ben-Abdallah, Susmita Gaire, Ute Albrecht, Ozgur Batuman, Jawwad Qureshi and …
Scholarships for Students Pursuing Specialty Crop Careers
Applications are due April 23 for the Florida Fruit & Vegetable Association (FFVA) Mike and Karen Stuart Scholarships. The scholarships encourage and support college students who intend to pursue a career in the specialty crop industry. The specialty crop industry includes vegetables, citrus, tropical fruit, berries, sod, sugar cane, tree crops and more. Eligible applicants must be interested in production …
Mexfly Quarantine Established and Expanded in California
Agriculture officials on March 5 established a Mexican fruit fly (Mexfly) quarantine in La Mesa, San Diego County, California, designated the La Mesa quarantine. On March 10 they expanded the quarantine. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA) established the La Mesa quarantine in response to …
Sneak Peek: April 2026 Citrus Industry
The Citrus Industry section of the April 2026 issue of Specialty Crop Grower highlights ongoing efforts to strengthen Florida’s citrus sector amid challenges. Articles this month showcase education, nutrient management and variety development. A recap of the Florida Citrus Show details a successful March event in Fort Pierce that combined education with a lively tailgate-style trade show. Growers Daniel Hunt, …
Postfreeze Citrus Recovery Strategies
By Muhammad A. Shahid, KeAndre Leaks, Davie Kadyampakeni and Carlos Aucique-Perez Postfreeze citrus tree management requires patience and careful observation rather than immediate intervention. Damage to the vascular system (cambium, xylem and phloem) may take months to fully appear. Trees can initially flush in spring but later decline if internal tissues are too compromised. A reliable assessment of survival should …
Agricultural Groups Seek Aid for Growers
The Florida Fruit & Vegetable Association (FFVA) recently sought disaster aid in a letter to Florida’s congressional delegation and joined other agricultural groups in asking President Trump for economic assistance. FREEZE ASSISTANCE FFVA Chair Steven Callaham and President Michael Joyner on March 20 asked the Florida delegation’s support in securing supplemental disaster funding for Florida specialty crop producers affected by …
CRDF Board Funds More Research Projects
The Citrus Research and Development Foundation (CRDF) board of directors held a lengthy discussion about the upcoming merger with the Citrus Research and Field Trial (CRAFT) Foundation during its March meeting. Then the board considered research projects and funded four of them. A project by Hailing Jin of the University of California Riverside will test trees in Florida which contain …
BLT Reports: Did You Get That Memo?
By Matt Smith Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services (FDACS) restricted-use pesticide license when the accompanying test is submitted and approved. People often wonder, what is the most timeless movie of all? I’ve heard several contenders. You probably have a …
All In For Citrus Podcast, March 2026
The March All In For Citrus podcast previews a couple of events coming in April and May that growers will want to mark on their calendars. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC), discusses the Florida Citrus Growers’ Institute scheduled for April 14 at South Florida …
Stay Ahead of the Spring Weed Flush
By Ramdas Kanissery Spring is here and so are the weeds in citrus groves. Warmer temperatures and increasing soil moisture create ideal conditions for weeds. Growers often notice a rapid spring flush of weeds emerging in the tree rows and in the row middles during this time (Figure 1). If not managed early, these weeds can compete with citrus trees …
Pest Management Challenges in CUPS
By Lauren Diepenbrock Citrus under protective screen (CUPS) has provided growers with a profitable method for producing fresh fruit in Florida. Growers who have implemented this system have noted quality fruit production and reduced inputs. However, when changes are imposed to the production environment, they are also imposed to the invertebrate pest complex, which can be either beneficial or detrimental …
PIECES OF THE PAST: A Stamp in Time
By Brenda Eubanks Burnette Bill Roe, of W. G. Roe & Sons, recently gave me a framed display of citrus revenue stamps that he had collected, which many people may not be familiar with. The stamps came about in the early 1900s when the industry was struggling to overcome early shipments of unripe fruit into the market because it ruined …





























