University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus researchers and Extension staff will provide multiple educational programs at the Citrus & Specialty Crop Expo Aug. 16–17. The event will be held at a new location this year — the Florida State Fairgrounds in Tampa. Attendance is free to growers, but registration is required. UF faculty and staff …
Controlling Clustered Pellitory Weeds in Groves
Ajia Paolillo and Ramdas Kanissery with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) wrote in an Extension newsletter about clustered pellitory, a recently established weed in citrus groves. Paolillo is a multi-county citrus Extension agent. Kanissery is an assistant professor specializing in weed science. Clustered pellitory is native to Florida and other areas in the southeastern …
Land Grant Research Prioritization Act Introduced
U.S. senators from Florida and Georgia have introduced legislation authorizing the U.S. Department of Agriculture (USDA) to make priority research grants available for land-grant universities. The grants would fund research and development of agricultural applications of artificial intelligence (AI), advanced mechanized harvester technologies, invasive species control and aquaculture. The senators who introduced the Land Grant Research Prioritization Act are Marco …
Another Attempt to Bring Back Aldicarb
Pesticide-maker AgLogic has asked the Environmental Protection Agency (EPA) to approve use of the pesticide aldicarb on Florida oranges and grapefruit, the Center for Biological Diversity reported. The center, which opposes the approval, says it is dedicated to the protection of endangered species and wild places. The EPA approved a similar aldicarb request in the waning days of the Trump …
PIECES OF THE PAST: A Casserole Fit for a Queen
By Brenda Eubanks Burnette July brings summer barbecues, picnics and family celebrations. For me, one of the staples of these gatherings is a green bean casserole covered with crispy onions. So, imagine my surprise when I recently ran across a story that the recipe apparently has Florida citrus origins! Cecily Brownstone was the food editor for the Associated Press from …
Sneak Peek: August 2023 Citrus Industry
The August issue of Citrus Industry magazine includes the show guide to an event many Florida growers look forward to all year long. The annual Citrus & Specialty Crop Expo has a new home at the Florida State Fairgrounds in Tampa. Find what you need inside the August issue to make the most of the event, including a full seminar …
Silicon Recommendations for Citrus
A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher recently wrote an article about silicon that included recommendations for its use. The article by Muhmmad Shahid, assistant professor of horticulture, appeared in the UF/IFAS Cold Hardy Citrus Connection newsletter. Silicon’s benefits may include improved yield, a strengthened root system and tolerance to abiotic stress, including cold. Excerpts …
Grower-Friendly HLB Research Summaries
The U.S. Department of Agriculture National Institute of Food and Agriculture (USDA NIFA) provides research directed at overcoming the devastating HLB disease and protecting the nation’s citrus industry. Since 2014, NIFA has funded approximately $200 million for HLB research projects. Many HLB-related NIFA project one-page summaries are now easily accessible and written in a grower-friendly language and format on the …
Improve Irrigation Scheduling for Better Tree Response
By Davie Kadyampakeni Citrus trees require water to be able to carry out the natural processes of growth, making food, and developing fruit and juice. To get the water from the soil, the fibrous roots do the extraneous work of absorbing the water and carrying it via the transpiration stream to the leaves. The water in the soil is made …
Accelerating Citrus Breeding Efforts
By John M. Chater Professors Jude Grosser and Fred Gmitter have been breeding improved citrus varieties at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) for decades. Over time, they have released several of their advanced selections. Many of these selections are sweet oranges. There is a subset of these creations …
Nutrition and Irrigation Role Reinforced for HLB Trees
In a virtual seminar for growers on July 19, Davie Kadyampakeni reinforced that optimal, balanced nutrition and frequent irrigation can improve HLB-affected citrus trees, yield and fruit. Kadyampakeni is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor at the Citrus Research and Education Center in Lake Alfred. NUTRITION“Citrus fruit yields, juice quality and canopy size …
All In For Citrus Podcast, July 2023
The Citrus & Specialty Crop Expo is fast approaching, scheduled for Aug. 16–17 at the Florida State Fairgrounds in Tampa. The event is the subject of the July All In For Citrus podcast. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, previews the presentation he will be giving …
Rossi Selected for Leadership Training
Lorenzo Rossi, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor, has been selected to train in the American Society for Horticultural Science’s Leadership Academy. Rossi leads a team of 15 associates who perform research to support high-value crops, including citrus, at the UF/IFAS Indian River Research and Education Center in Fort Pierce. He was selected for …
Minimal Crop Expected in Cold-Hardy Citrus Region
Citrus harvests are just a few months away for growers in the cold-hardy citrus region of eastern Alabama, southern Georgia and the Florida Panhandle. Unfortunately, those harvests will be reduced to about 25% of the normal crop, according to industry leaders. The Christmas freeze event devastated this year’s crop in the region. Kim Jones, who grows and packs citrus in …
Capitalize on Cooperative Research
By Larry Duncan The growers advising the Citrus Research and Development Foundation understand very well the importance of cooperative research projects between growers and scientists. Several years ago, they earmarked a portion of research funding, not for carefully managed laboratory experiments or small plot trials at state, federal or private research centers, but rather for grower-run trials testing potential HLB …
Hurricane Forecast Raised Again
Colorado State University (CSU) researchers on July 6 increased their Atlantic hurricane forecast for the second time this year. They now call for an above-average Atlantic basin hurricane season in 2023. However, they note that uncertainty with this outlook is larger than normal. In June, CSU predicted a near-average hurricane season. In April, CSU predicted a slightly below-average season. NEW …
Stress Factors and Hurricane-Damaged Trees
By Syed Bilal Hussain, Rachel Gearhart, G. Zeng Michalzcyk and Christopher Vincent Hurricane Ian in 2022 caused significant damage to Florida citrus groves. Even groves that experienced only Category 1 winds have begun to decline as the weather has warmed. Signs of canopy decline include branch dieback and leaf drop. Branches with new growth are also experiencing leaf drop. These …
RAISE Act Would Improve Grower Disaster Relief
Several members of Congress from Florida recently introduced the Restore Agricultural Investment, Stability and Expansion (RAISE) Act of 2023. The act would provide the U.S. Department of Agriculture (USDA) with standing authority to help American growers recover after natural disasters by issuing block grants. Supporters said the bill better positions the measure to reach President Joe Biden’s desk and become …
Final U.S. Citrus Forecast Has Several Changes
The final U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) citrus forecast for the 2022–23 season, issued July 12, has several changes from the June forecast. FLORIDAFlorida’s all-orange forecast rose approximately 1% to 15.85 million boxes, up 100,000 boxes from June. The full increase is in the Valencia orange forecast, which rose to 9.7 million boxes. Florida’s all-grapefruit …
Grapefruit Rootstock/Scion Research Update
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Mark Ritenour and Flavia Zambon recently provided an update on a large field trial. The project is called Evaluation of Potential HLB Tolerant Grapefruit Rootstock/Scion Combinations in the Indian River District of Florida. A summary of their update follows: The project started as a collaborative effort between the UF/IFAS …





























