Valencia orange

California Valencia Orange Forecast Issued

Daniel CooperCalifornia Corner, Crop Forecast

The California Department of Food and Agriculture (CDFA), cooperating with the U.S. Department of Agriculture National Agricultural Statistics Service, has forecast California’s 2024–25 Valencia orange production at 15 million cartons. California’s final utilized production the prior season was 18.6 million cartons. Cartons have a standard equivalent weight of 40 pounds.  CDFA reported there are 25,000 bearing Valencia acres in 2024–25, …

top

Donaldson: Potential Alternative to Hamlin in OJ

Daniel CooperOrange Juice, Varieties

U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS) scientists are studying the possibility of the Donaldson sweet orange replacing the HLB-ravaged Hamlin in orange juice (OJ). The scientists work at the U.S. Horticultural Research Laboratory in Fort Pierce, Florida. While assessing citrus trees with oranges that might be used for commercial OJ production, the scientists found the Donaldson tree at the …

update

Update on Basin Management Action Plans

Daniel CooperBMPs, Nutrition, Regulation

The Florida Department of Environmental Protection (FDEP) has been required to update all basin management action plans (BMAPs) by July 1. As part of this requirement, FDEP is adding five-year milestones to each BMAP, where they didn’t previously exist. FDEP has allocations assigned to each entity in the BMAP. Agriculture is assigned an allocation in each BMAP, and FDEP assigns …

FFVA

FFVA Urges Changes to H-2A Program

Daniel CooperLabor, Regulation

The Florida Fruit & Vegetable Association (FFVA) recently urged the repeal of two labor regulations that are driving up costs for growers using the H-2A program, which allows temporary foreign agricultural workers. The FFVA letter requesting the changes was sent to the White House Office of Management and Budget. FFVA called for the rescission of: The letter stated that Florida, …

weeds

The Harm Weeds Do

Daniel Cooperweeds

Before HLB, canker and diaprepes root weevils became major problems for Florida citrus growers, weeds were among the constant and major annoyances in groves. Even with the pests and diseases growers have faced over the past five decades, the need for weed control may be as important, and costly, as ever. A University of Florida Institute of Food and Agricultural …

fire ant

Fire Ant Management

Daniel CooperPests, Tip of the Week

By Lauren Diepenbrock Red imported fire ants (Solenopsis invicta), commonly referred to as fire ants, are found throughout Florida. This pest infests a broad range of habitats, including urban regions, natural areas and production fields. In citrus, there are a range of impacts from this pest — from human health to both direct and indirect tree impacts. From a human …

nitrogen application

Optimizing Nitrogen Applications in North Florida

Daniel CooperCold Hardy, Nutrition

Four University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) horticulture researchers recently wrote an update in the Cold Hardy Citrus Connection about optimizing citrus nitrogen applications in North Florida. The authors are Muhammad A. Shahid, Davie Kadyampakeni, Shahid Iqbal and Muhammad Nadeem. The following edited excerpts explain the research project and provide conclusions: THE RESEARCH The need for …

tree

Bridging the Gap to the Tree of the Future

Daniel CooperEvents, HLB Management

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break seminar on May 14. The speakers provided updates on developing a gene-edited citrus tree with resistance to HLB and how growers can use existing tools to mitigate the disease. Nian Wang, UF/IFAS professor, provided an update on the status of …

navel

California Navel Production Costs Soar

Daniel CooperCalifornia Corner, Economics

It costs $4,215 per acre to grow navel oranges in California in 2025, California Citrus Mutual (CCM) reported following a recent survey of production costs. That’s up from $3,300 in 2020 (a 35% increase), $2,712 in 2015 (a 75% increase), $2,099 in 2010 (a 125% increase) and $1,555 in 2005 (a 171% increase). Additionally, CCM reported that picking and hauling …

Trunk-Injection

Trunk-Injection Biopesticide for HLB

Daniel CooperHLB Management

Ching-Hong Yang, University of Wisconsin-Milwaukee (UWM) biological sciences professor, was recently awarded a $1.5 million federal grant to support research on a compound that suppresses HLB disease. His project is titled Bringing RejuAgro to Market: Development of a Groundbreaking Trunk Injection Biopesticide for Huanglongbing (HLB). The grant is from the U.S. Department of Agriculture National Institute of Food and Agriculture …

emerging

FFVA Seeks Emerging Leaders

Daniel CooperEducation

The Florida Fruit & Vegetable Association (FFVA) is seeking up-and-coming leaders who want to be more involved in FFVA to apply for participation in the FFVA Emerging Leader Development Program. Applications are due by June 13. Applicants should fill out the application form and the written agreement form and send them to Sonia.Tighe@ffva.com. Launched in 2011, the yearlong leadership program …

Farm Workforce

Farm Workforce Modernization Act Reintroduced

Daniel CooperLabor, Legislative

A bipartisan group of U.S. representatives recently reintroduced the Farm Workforce Modernization Act, H.R. 3227. The bill would update the H-2A agricultural guest worker program. It is a compromise solution that supporters said provides stability for farms and farmworkers. Rep. Zoe Lofgren of California, one of those who reintroduced the bill, said, “It is well-past time we get this bipartisan …

HLB

Georgia Student Honored for HLB Research

Daniel CooperAwards, Georgia, HLB Management

Carlton Collins recently was named top master’s researcher in the E. Broadus Browne Research Awards for Outstanding Graduate Student Research competition at the University of Georgia (UGA) College of Agricultural and Environmental Sciences. He was recognized for his research on huanglongbing (HLB) disease, also known as citrus greening. Collins, born in Jamaica, was introduced to citrus production on a small …

spinach

Spinach Peptides Provide Defense Against HLB

Daniel CooperHLB Management

Texas A&M AgriLife Research scientists have developed an approach to countering the citrus disease HLB as well as zebra chip disease in potatoes and other vegetables. Their method uses spinach antimicrobial peptides, known as defensins, which naturally defend plants against a broad range of pathogens. Their study results were recently published in the Plant Biotechnology Journal. The effects show significant …

pest

CUPS: Pest Monitoring and Management

Daniel CooperCUPS, Pests, Tip of the Week

By Jawwad A. Qureshi Several insect pests and mites colonize citrus crops in traditional open orchards. Most pests are localized and are suppressed by predators, parasitoids and entomopathogens to levels that are not economically damaging to the crops. The Asian citrus psyllid (ACP) is the primary vector of huanglongbing (HLB) disease. Despite biological and chemical control of ACP, growing a …

oj

New Insights Into OJ Demand

Daniel CooperEconomics, Florida Department of Citrus, Orange Juice

By Marisa L. Zansler One-hundred percent orange juice (OJ) has long been a favorite in American households, but supply challenges, changing consumer behaviors, a crowded beverage category and higher prices have impacted how much OJ consumers buy. Recent research conducted by Sungeun Yoon sheds light on consumer price sensitivity and substitution behaviors within the category, offering actionable insights for growers, …

Brazil Announces 2025–26 Initial Orange Forecast

Tacy CalliesBrazil, Crop Forecast

Fundecitrus and its cooperators on May 9 forecast the 2025–26 orange harvest in Brazil’s Citrus Belt of São Paulo and Triângulo/Sudoeste Mineiro at 314.6 million boxes. That would be a 36.2% increase over the 2024–25 harvest of 230.87 million boxes. The expected larger harvest is mainly attributed to more fruit per tree. The increased number of fruit is due to …

lemon

Turkish Lemon Export Ban Lifted After Objections

Daniel CooperExport, Export/Import, International, lemons

Türkiye’s Ministry of Trade (MOT) temporarily banned lemon exports April 8 because of a predicted weather-induced shortage but lifted the ban days later following negative reactions from lemon producers and exporters. The MOT imposed the ban in consultation with the Ministry of Agriculture and Forestry following a cold snap that caused frost damage across several areas of the country. According …

greening-resistant

Greening-Resistant Orange Tree Research Progresses

Daniel CooperHLB Management, International, Research

Researchers with the French Agricultural Research Centre for International Development (CIRAD) recently visited Brazil to discuss cooperative efforts with Fundecitrus to develop greening-resistant orange trees. The CIRAD researchers were Raphaël Morillon and Bárbara Hufnagel. CIRAD is an agronomic research and international cooperation organization for the sustainable development of tropical and Mediterranean regions. CIRAD maintains a large citrus genomic database on …

programs

Update on CRAFT Programs

Daniel CooperCRAFT

The Citrus Research and Field Trial (CRAFT) Foundation recently provided an update about its programs: EXPEDITED PROPAGATION The supplemental Program for Expedited Propagation application period closed April 30. Contracts should be issued to the selected projects in May.  EXISTING TREE THERAPY The CRAFT board of directors approved amendments to all Existing Tree Therapy (ETT) Round 1, 2 and 3 contracts …