By Lauren Fessler Mathews, Sanju Kunwar, Ana Redondo and Ozgur Batuman Based on numerous research studies conducted by scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), it has been proven that injections of oxytetracycline (OTC) can help to alleviate symptoms caused by huanglongbing (HLB) disease. This treatment is now widely practiced and crucial for preventing …
CITRUS NURSERY SOURCE: Citrus Researchers Coming Together
By Peter Chaires Florida’s citrus industry is well supported by two phenomenal research institutions: University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS). UF/IFAS provides research and Extension support from its main campus in Gainesville, as well as from its research and education centers and county Extension offices across the state. …
Brazilian Orange Prices Set Record Highs
Orange prices in Brazil set record highs in 2024, the Center for Advanced Studies in Applied Economics (CEPEA) in Brazil reported. According to CEPEA, the value of a 90-pound box was above BRL 100 ($16.63 U.S.) in the fresh market. The record price is explained by firm demand from the industry, which faced low orange juice (OJ) stocks and limited …
Freeze Protection Needed Next Week for Cold-Hardy Citrus
January temperatures have been low for cold-hardy citrus growers. They are about to get lower, however, beginning early next week. GEORGIAAccording to weather.com, low temperatures in Tifton, Georgia, are forecast to drop into the high 20s, Sunday through Wednesday, with high temperatures only reaching the mid-30s on Tuesday and Wednesday. Similar weather conditions are expected across the region, so growers …
Network With Peers at The Florida Citrus Show
The Florida Citrus Show is a day packed full of educational opportunities. It includes a morning general session focused on big-picture topics that impact specialty crop growers as well as afternoon breakout seminars for citrus and vegetable producers. In addition, the event provides a great opportunity for growers to interact with fellow farmers and industry stakeholders, which is an equally …
Florida Citrus Decline: Frustrations and Solutions
A recent Florida TaxWatch report detailed the reasons for the decline of the Florida citrus industry. The report also described frustrations with efforts to combat citrus greening and suggested solutions for the industry’s decline. Edited excerpts from that portion of the report follow: Prominent citrus growers stated they are still optimistic about the future as many citrus entities are investing …
Top Priorities: HLB Resistance and Hurricane Recovery
With 2024 in the rear view mirror, we asked leaders of key citrus organizations what their priorities are for this year. Here’s what they had to say. TREE OF THE FUTURE “For the last 2.5 years, our research strategy at the Citrus Research and Development Foundation has been to kill the bacteria that causes HLB — Candidatus Liberibacter asiaticus (CLas) …
Combine IPCs and Brassinosteroids to Prolong Young Tree Health
By Fernando Alferez and Saoussen Ben Abdallah The risk of citrus plantings to become infected with HLB is especially high for young trees, which flush frequently and attract more psyllids than mature trees. Individual protective covers (IPCs) are now being increasingly adopted to protect newly planted citrus trees from psyllid colonization. However, even though IPCs effectively protect young trees from …
Weathering the HLB Storm
Specialty crop growers might be aware of the disease sweeping through Florida’s citrus industry. Its impact has been tremendous and has tested the survival of the state’s signature crop. This year will mark the 20th anniversary of the official confirmation of citrus greening disease (also known as huanglongbing or HLB) in Florida. In the past two decades, the state’s output …
Experimental Citrus Tree Kills Young Psyllids
Scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are testing a new type of citrus tree that can fight off the HLB-spreading Asian citrus psyllid (ACP). The genetically modified tree has only been tested in the lab and the greenhouse but is very promising as a potential solution to HLB. The approach involves inserting a …
International Project Arms Citrus Industry Against HLB
Australia’s New South Wales (NSW) Government has partnered with the Australian Centre for International Agricultural Research and Hort Innovation to prepare the citrus industry against huanglongbing (HLB). Although widespread in Asia and found in North and South America, HLB is not known to be present in Australia. The psyllid that spreads HLB is also absent from Australia. A collaborative research …
Registration Is Open for the Florida Citrus Show
The Florida Citrus Show is scheduled for Thursday, March 13, 2025. The event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center and the U.S. Department of Agriculture (USDA) Agricultural Research Service U.S. Horticultural Research Laboratory in Fort Pierce. The Florida Citrus Show combines educational seminars for both …
A Look at Chilean Lemon Production
Chilean lemon production is projected to grow by 2.6% in 2024–25, reaching 197,000 metric tons (MT), the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. Chile’s lemon acreage is expected to reach 10,400 hectares, a 4.8% increase from 2023–24. The increase in area planted is a major reason for the expected production increase. The area planted with lemons …
Florida Citrus Decline Detailed
A December Florida TaxWatch report, The Continuing Decline of Florida’s Citrus Industry, highlights the causes of the industry’s demise in recent decades. Edited excerpts follow: In the last 20 years, Florida’s total citrus production has decreased by more than 90%, from around 300 million boxes in 2003–04 to just 20 million boxes in 2023–24. The 2022–23 season was the worst …
USDA Increases MASC Program Payment Limit and Extends Deadline
The U.S. Department of Agriculture (USDA) Farm Service Agency (FSA) is providing an additional $650 million in funding for the new Marketing Assistance for Specialty Crops (MASC) program and is extending the application deadline to Friday, Jan. 10, 2025. With a total of $2.65 billion available, MASC helps specialty crop producers expand markets and manage higher costs. FSA is also increasing …
Plan Your 2025 Pest Management
By Lauren Diepenbrock Pest management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of invertebrate biology in relation to tree phenology, growers can develop plans to protect fruit and maintain productive citrus trees. HIGHLY PROBLEMATIC PESTS Populations of some highly problematic …
Survey Tracks Hurricane Milton Impacts and OTC Usage
The Florida Citrus State of the Industry Survey seeks input from growers on key issues affecting their groves. While not a scientific survey, it has reflected general trends over the years. This year’s survey asked growers to weigh in on major events like the impact of Hurricane Milton and the performance of trunk-injection therapies. HURRICANE MILTON Hurricane Milton made landfall …
Have a Plan for Freeze Protection
Cold weather is in the forecast with the potential for freezing temperatures in the coming days. That means citrus growers should be thinking about their plans for cold protection. Chris Oswalt, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus Extension agent for Polk and Hillsborough counties, recently joined the All In For Citrus podcast to provide details …
Small Changes for South African Orange Industry
South African orange production and area under production are both forecast to increase by 1% in 2024–25 compared to the prior year. Orange juice production is projected to climb 4%. The forecasts by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) are for 1.69 million metric tons (MMT) of orange production, 44,500 hectares of oranges planted, and orange …
Psyllid Insecticides Effective in Brazil’s New Citrus Regions
Citrus growing is migrating to additional areas in Brazil, such as the Triângulo Mineiro region, the northwest of of São Paulo and Mato Grosso do Sul. For this reason, Fundecitrus began testing insecticides in these areas and observed that some products, to which the HLB-spreading psyllid is often resistant, performed well in the initial evaluation. Fundecitrus researcher Marcelo Miranda said …