Climate change is a key reason that citrus production has progressed in South Georgia, North Florida and South Alabama, the area known as the cold-hardy citrus region. As more varieties, other than satsuma mandarins, continue to be planted in the area, warmer temperatures are needed for trees to flourish. Arnold Schumann, professor of soil fertility and water quality at the …
Changing With the Times
By Robin Loftin and Frank Giles When HLB was first confirmed in Florida in October 2005, it was difficult to imagine the path the disease would take the state’s citrus industry down. In some ways, it has been a testament to the resolve and ingenuity of growers who have kept trees alive and continued planting, despite some early prognostications that …
PIECES OF THE PAST: He Called It a Day
By Brenda Eubanks Burnette University of Florida Professor P.H. Rolfs gave a speech during the 1935 Florida State Horticultural Society (FSHS) meeting about the “Founders and Foundations of Florida Agriculture.” (FSHS Proceedings, 1935). An interesting read, it touched on many of the major industry members of the time, but I truly loved the following excerpt I found under the heading …
Indian River Open House Includes Varieties Display
The University of Florida Institute of Food and Agricultural Sciences Indian River Research and Education Center (UF/IFAS IRREC) will hold an open house Saturday, Dec. 7 from 9 a.m. to 2 p.m. Numerous activities are planned for the facility at 2199 S. Rock Road in Fort Pierce. UF/IFAS IRREC and its next-door neighbor, the U.S. Department of Agriculture-Agricultural Research Service …
HLB-Tolerant Hybrid Varieties Highlighted
Two varieties that tolerate HLB and produce ample fruit yield and juice were the highlights of the recent Millennium Block Field Day in Fort Pierce, Florida. The 20-acre Millennium Block at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) examines fresh fruit varieties and rootstocks. “The two varieties that give …
How to Handle Extended Flowering in HLB Trees
By Tripti Vashisth University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) flower bud induction advisories for 2024–25 started on Nov. 25. The advisories will be posted bi-weekly until March 2025. The goal of the advisories is to provide growers and production managers with a complete overview of flowering prediction. Every advisory will aim to deliver recommendations for that …
IMG Citrus Moving Forward With More CUPS
A Nov. 22 Lake County farm tour, hosted by University of Florida Institute of Food and Agricultural Sciences Extension, included a visit to the 13-acre citrus under protective screen (CUPS) site owned by IMG Citrus. Located in Groveland, the facility consists of Ruby Red grapefruit on Swingle rootstock planted in May 2022. Clint Updike, IMG citrus production manager, told farm …
All In For Citrus Podcast, November 2024
In November, academia from around the world gathered in Jeju, Korea, for the 2024 International Citrus Congress. A contingent of researchers from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) attended the event. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, was among the attendees. He discusses the trip in the November episode of …
Florida Citrus Outlook for the 2024–25 Season
The expected utilization of Florida’s 2024–25 citrus crop was the focus of economist Marisa Zansler’s Florida Citrus Outlook presentation to the Florida Citrus Commission (FCC) in October. Zansler is director of economic and market research for the Florida Department of Citrus (FDOC). Before discussing expected utilization by varieties, Zansler pointed out that her outlook was based on the U.S. Department …
What Growers Need to Know About Georgia’s Citrus Assessment
In 2023, at the request of Georgia citrus producers, the Georgia Agricultural Citrus Commission (Georgia Citrus Commission) was created under the Georgia Commodity Promotion Act. Under the Commodity Promotion Act, the Georgia Citrus Commission is allowed to create a marketing order that allows for collection of an assessment on marketed fruit. This marketing order was voted on and approved by …
CITRUS NURSERY SOURCE: Georgia’s Citrus Team Is Shaping Up Nicely
By Peter Chaires Many have been following the development of the Georgia citrus industry with great interest and curiosity. Though satsuma remains the dominant fresh citrus crop, other varieties are in varying stages of trial and adoption. The University of Georgia (UGA) has been supporting citrus growers in this process for more than a decade. Wayne Hanna, though his appointment …
Citrus Commission Approves Budget and Other Actions
The Florida Citrus Commission (FCC) in October approved a 2024–25 operating budget for the Florida Department of Citrus (FDOC) and heard about marketing programs the budget will fund. The FCC also approved citrus varieties to be included in the 2024 Program for Expedited Propagation. BUDGET AND ASSESSMENT RATES The FCC approved a $21.75 million operating budget for the FDOC. It …
Shiranui Gaining Popularity in Cold-Hardy Citrus Region
Leaders in the cold-hardy citrus region have long advocated for growers to diversify their crop portfolios. Lindy Savelle, executive director of the Georgia Citrus Association, has wanted citrus producers in North Florida, South Georgia and South Alabama to plant alternatives to satsuma mandarins, which has been the predominant citrus type produced in the region. Diversification helps extend the harvest season. …
Field Day Featured Favorable Fresh Fruit Rootstock and Scion Combinations
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center recently hosted a field day showcasing its Millennium Block citrus grove. The field day went on despite the grove being impacted by a tornado associated with Hurricane Milton in October. The Millennium Block is one of the largest experimental trials examining fresh fruit …
UF/IFAS Colleagues Laud Lukas Hallman
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) colleagues have acknowledged Lukas Hallman for his distinguished achievements and contributions as a graduate student. Hallman completed master’s and doctoral degrees in horticultural sciences in the last six years as a UF/IFAS graduate research assistant. He worked in Associate Professor Lorenzo Rossi’s Plant Root Biology Laboratory at the Indian River …
Increased Yields Are Significant Return on Investment
Sponsored Content In this special series, Tom Johnson, owner of TJ BioTech, tackles questions about optimizing trunk-injection applications to treat HLB. Q: How is ReMedium TI® performing in the fight against citrus greening? Tom Johnson: The reported overall performance of ReMedium TI® has been stellar over the last two years. The reports from the second year of injections are just …
HLB Confirmed on California Inactive Citrus Acreage
The California Department of Food and Agriculture (CDFA) has confirmed the detection of the citrus plant disease huanglongbing (HLB) in inactive citrus acreage in the city of Yorba Linda, Orange County. The detections mark the first time HLB has been confirmed in plant samples on non-residential, non-nursery citrus acreage. The detection site, which is not currently operational or being cultivated …
Rain Brings Relief but Brazil Orange Quality Still Low
Regular rains and mild weather in Brazil’s Citrus Belt of São Paulo and Triângulo Mineiro in late October brought relief for trees affected by prior lack of rain and high temperatures. The better weather may improve the quality of fruit that is still on the trees. But even with the return of rainfall, the 2024–25 orange crop has presented low …
CUPS Expensive but Beneficial
The benefits of implementing citrus under protective screen (CUPS) could be major for growers in the cold-hardy region. But they first must overcome the major limiting factor associated with the system — its cost. Arnold Schumann, a professor of soil fertility and water quality at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education …
Study Shows Value of FDOC Orange Juice Promotions
A 2024 University of Florida (UF) study showed that demand for orange juice (OJ) would have declined by 8% without the awareness of Florida Department of Citrus (FDOC) promotional activities. The study estimated consumption would have decreased by an additional 75.7 million single-strength equivalent gallons — equal to roughly 13.7 million boxes of Florida processed oranges — without FDOC promotions. …





























