In 2022, the Florida Legislature allocated $8.7 million in funds to the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) to update nutrient recommendations for several specialty crops, including citrus. In some cases, it had been decades since the recommendations were updated. The case was made that it was time for nutrient recommendations for citrus that consider new …
Integrating Antibiotics Into a Broader Management Plan for HLB
By Lukasz Stelinski, Eric Roldan and Kirsten Pelz-Stelinski Use of antibiotics in fruit production is not a new idea, but it has only recently been applied on a larger scale in Florida citrus. The initial labels for huanglongbing (HLB) treatment with antibiotics in Florida citrus were approved in March 2016 in response to significant economic losses caused by HLB. Antibiotics …
Diseases Easier to Prevent Than to Control
Plant pathologist Ozgur Batuman recently warned that two citrus viral diseases not currently in Florida are highly suited to the state’s climate and would likely impact production if found there. They are citrus leprosis and citrus yellow vein clearing virus (CYVCV). Batuman, a University of Florida Institute of Food and Agricultural Sciences associate professor at the Southwest Florida Research and …
PIECES OF THE PAST: Play Portrayed Florida Citrus History
By Brenda Eubanks Burnette Mohamed Ismail recently gave me a booklet titled “Golden Harvest – The Romance of Florida Citrus” written by Nina Oliver Dean for the Florida State Horticultural Society “on the occasion of its semi-centennial celebration.” It was actually a play described as “a pageant depicting the important events in the history of Florida citrus from its introduction …
Brazilian Citrus Belt Rich in Wildlife and Carbon
Research carried out by Embrapa, with the support of Fundecitrus and financed by Innocent Drink, shows that Brazil’s Citrus Belt is abundant in wildlife and carbon. WILD ANIMALS The research identified more than 300 species of wild animals in the Citrus Belt of São Paulo and Triângulo/Southwest Mineiro. Mainly, birds and mammals were found circulating or living in production environments …
Sting Nematodes in the HLB Era
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break seminar in mid-May. Topics included management of nematodes, results of trunk-injection therapies and the use of cover crops in citrus. Larry Duncan, a UF/IFAS professor of nematology, presented research findings on the impact of sting nematodes in citrus. He provided …
Where Do Growers Stand With Trunk-Injection Therapy?
Florida growers are well into their second application of oxytetracycline (OTC) trunk injection as the 2023–24 season winds down. The results of the first application made last year are becoming somewhat clearer, but there’s still more to observe and learn about trunk injection. Ute Albrecht, associate professor of plant physiology with the University of Florida Institute of Food and Agricultural …
CITRUS NURSERY SOURCE: Georgia Citrus Association Annual Meeting Focused on HLB and More
By Peter Chaires The Georgia Citrus Association held its seventh annual meeting on Feb. 27 at the University of Georgia (UGA) campus in Tifton. As usual, the event was well organized and well attended. The agenda included topics such as: It was a value-packed day. HLB RECOMMENDATIONS Roger Smith of TreeSource Citrus Nursery in Woodlake, California, traveled quite a distance …
Have a Hurricane Plan in Place
Florida citrus growers are all too familiar with the fallout from hurricanes in recent history. In 2017, Hurricane Irma came up the spine of the state causing an estimated $760 million in damage to the citrus industry. Then in 2022, Hurricane Ian took an even more direct path over key citrus-production areas causing another $247 million in losses, according to …
Cultural Practices for Finger Limes
At a recent finger lime field day, horticulturist Tripti Vashisth reported that most citrus rootstocks do well with finger limes. She said that Volkamer lemon and X-639 create the most vigorous trees, and that they and US-812 seem to be promising rootstocks for finger limes. Vashisth is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor …
Brazil’s First Forecast for the 2024–25 Citrus Season
The 2024–25 orange crop forecast for Brazil’s São Paulo and West-Southwest Minas Gerais citrus belt, published on May 10 by Fundecitrus and its cooperators, is 232.38 million 90-pound boxes. The projected volume represents a significant drop of 24.36% as compared to the previous crop of 307.22 million boxes. VARIETY BREAKDOWN Production by variety is divided as follows (figures in parentheses …
Florida Citrus Crop Reduced
The U.S. Department of Agriculture (USDA) Agricultural Statistics Board released an update to the 2023–24 citrus crop forecast on May 10. FLORIDA ORANGES The Florida orange forecast is lowered 1 million boxes to 17.8 million boxes, representing a 5% decrease from the April forecast. The reduction is in the Valencia crop, which dropped 8% from 12 million boxes to 11 …
Guide Helps Brazilian Growers Evaluate Greening Products
Brazil’s Fundecitrus has prepared and released the free Guide for Citrus Growers: Evaluation of Products to Reduce Damage Caused by Greening. The guide is aimed at growers, researchers and professionals working in citrus farming. The guide brings together suggestions for a thorough assessment in the orchard, allowing citrus growers and technicians to analyze the effectiveness of available chemical products and …
Dealing With Drought Stress
By Amir Rezazadeh Citrus trees are not immune to the challenges posed by drought stress. Drought stress occurs when a tree’s water supply falls below its demand, leading to physiological disruptions that can impair growth, development and fruit production. In the dry season, when water scarcity is a prevalent issue in Florida, understanding and managing drought stress in citrus trees …
Farm Bill Frameworks Favorable for Citrus
Last week, Glenn “GT” Thompson, chairman of the House Committee on Agriculture, unveiled an outline of the bipartisan policies and priorities of the 2024 farm bill. The legislation, scheduled to be marked up by the U.S. House of Representatives’ Committee on Agriculture on May 23, holds the key to crucial resources for various agricultural commodities, including Florida’s citrus industry. On the …
Panel Discussions Highlight Florida Citrus Show Seminars
A pair of panel discussions during the citrus seminars at the Florida Citrus Show gave growers the opportunity to engage with experts on top-of-mind topics. BREEDER RECOMMENDATIONS The citrus seminar program started with a discussion among citrus breeders moderated by Flavia Zambon, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor at the Indian River Research and …
SunLime Has High Marketing Potential
Finger limes are liked by consumers and might be marketed to high-end food outlets, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers reported recently. Speaking at a finger lime field day April 24 at the Citrus Research and Education Center, UF/IFAS data management analyst Fredy Ballen offered take-away messages from consumer/market research on the UF/IFAS-released SunLime finger …
Apply for the Emerging Leader Development Program
Florida Fruit & Vegetable Association’s (FFVA) Florida Specialty Crop Foundation is seeking applicants for Class 14 of the Emerging Leader Development Program (ELDP). Launched in 2011, the program identifies and develops leaders to be strong advocates for Florida agriculture. Sessions provide a wealth of information about the many issues facing the industry and equip members to communicate about agriculture. Ultimately, …
Podcast Addresses Recent Irrigation Research
It was a dry April in most of Florida’s citrus-production areas. That means irrigation is vital to keep HLB-infected trees adequately watered. The drier months of the year from February through May are when flowering and fruit set are occurring. If trees are stressed due to water deficit during this time, they are more likely to suffer fruit drop and …
5 Facts About Fire Ants and How to Control Them
Fire ants are damaging and a significant threat to commercial operations. Here are five fire ant facts operators need to know, plus tips for how to control them. 1. Fire Ants Can Deal Damage Fire ants can take a toll on essential equipment and infrastructure, resulting in downtime and economic consequences. While fire ants are small in stature, they’re mighty …





























