South African grapefruit

South African Grapefruit, Mandarin and Lemon Forecasts

Daniel CooperCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) recently issued its 2025–26 forecasts for South African grapefruit, tangerines/mandarins and lemons. GRAPEFRUIT South African grapefruit production is forecast to increase by 1% to 430,000 metric tons (MT). The area planted with grapefruit is 8,150 hectares. This production area declined from 2020–21 to 2022–23 and appears to have stabilized since …

Start Phytophthora Management Soon

Daniel CooperDiseases, Tip of the Week

By Megan Dewdney It was a difficult winter for many citrus trees in Florida, with freeze damage and very dry weather stressing them. Trees will be flushing as much as they can to replace the damaged canopy lost over the winter. This means they will be drawing strongly on the bank of carbohydrates in the roots. The spring 2026 root …

psyllids

Kaolin Works Against Psyllids, Greening and Canker

Daniel CooperDiseases, Psyllids, Research

Brazilian research organization Fundecitrus has for several years studied the use of kaolin for psyllids and the citrus greening they spread, as well as for citrus canker. Kaolin is a natural mineral composed mainly of aluminum silicate. In the kaolin experiments conducted by Fundecitrus, the commercial product Surround WP was used. PSYLLIDS AND GREENING The Fundecitrus studies show that spraying …

production

Europe’s Orange and OJ Production to Decline

Daniel CooperCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) recently forecast European Union (EU) orange and orange juice (OJ) production and trade for 2025–26. ORANGES EU orange production is projected at just above 5.6 million metric tons (MMT), down from the 5.9 MMT orange crop in 2024–25. Orange production is the largest citrus category within the EU. Spain accounts …

Hurricane Helene

Applications for Hurricane Helene Aid to Open in Georgia

Daniel Cooperfinancial, Georgia

Georgia citrus growers, nurseries and numerous other agriculturists in eligible counties who suffered losses due to 2024’s Hurricane Helene may apply for assistance through the Georgia Hurricane Helene Block Grant Program beginning March 16. The application period will remain open until midnight on April 27. The application, eligibility requirements, guidance documents and additional details are available here. In September 2025, …

Florida Farm Bill

State Legislature Passes Florida Farm Bill

Daniel CooperFlorida, Legislative

Florida Commissioner of Agriculture Wilton Simpson on March 3 hailed the Florida Legislature’s passage of the 2026 Florida Farm Bill, SB 290. According to Simpson, the bill sponsored by Sen. Keith Truenow and Rep. Danny Alvarez supports and defends Florida agriculture, strengthens public safety and protects natural resources and rural lands. Truenow declared agriculture to be “the foundation of our …

global

Global Grapefruit and Lemon/Lime Projections

Daniel CooperCrop Forecast, International

A recent U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) report — Citrus: World Markets and Trade — included global fresh grapefruit and fresh lemon/lime projections for 2025–26.  GRAPEFRUIT UP Global fresh grapefruit production is forecast up 2% to 7 million tons on larger crops in China, the United States and the European Union (EU). China production is forecast …

Highlands

Growers Hear Updates at Highlands Annual Meeting

Daniel CooperEvents

About 200 grower members and other attendees gathered in Sebring for the Highlands County Citrus Growers Association (HCCGA) annual meeting in early March. According to Ray Royce, HCCGA executive director, the event went well and is always a highlight of the year to allow growers to catch up with one another and get industry updates. Matt Joyner, Florida Citrus Mutual …

improve

Improve Water and Nutrient Retention With Compost and Biochar

Daniel CooperHLB Management, Soil Health, Tip of the Week

By Tripti Vashisth, Abhishek Neupane and Taylor Livingston Florida citrus trees are under pressure from huanglongbing (HLB). The disease weakens root systems, reducing the tree’s ability to take up water and nutrients. Compounding this issue, most Florida groves sit on sandy soils with very little organic matter. These soils drain quickly, struggle to hold nutrients and allow both water and …

sweet orange scab

Sweet Orange Scab Quarantines Expand in California

Daniel CooperCalifornia Corner, Diseases, Regulation

Agriculture officials have expanded the areas quarantined for sweet orange scab (SOS) in the Los Angeles and Villa Park areas of Los Angeles and Orange counties in California. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) in cooperation with the California Department of Food and Agriculture (CDFA) expanded the quarantine. SOS is a disease caused by …

PGR

Match the PGR to the Purpose at the Proper Time

Daniel CooperPGRs

By Tripti Vashisth and Prudhvi Vulchi Plant growth regulators (PGRs) have become an important management tool for Florida citrus growers facing the challenges of huanglongbing (HLB). HLB disrupts the tree’s hormonal balance by reducing growth-promoting hormones like cytokinin and gibberellins and increasing stress-related hormones. This imbalance weakens carbohydrate transport, reduces sink strength and accelerates canopy decline. PGRs can help restore …

black spot

Black Spot Fungus Partially Resistant to Strobilurins

Daniel CooperBrazil, Diseases, Pesticides

For the first time in Brazil, Fundecitrus has identified evidence of partial resistance of the fungus Phyllosticta citricarpa, which causes citrus black spot, to fungicides of the strobilurin group. This finding corroborates warnings issued by growers and technicians during the 2024–25 season regarding failures in controlling the disease in areas of the São Paulo Citrus Belt. SAMPLE STUDY A study …

trees

CUPS Trees Survive Freeze Nearly Unscathed

Daniel CooperCUPS, Events, freeze

During a Feb. 26 Highlands County ag tour hosted by University of Florida Institute of Food and Agricultural Sciences Extension, participants had the opportunity to go inside a citrus under protective screen (CUPS) pod. Bill Bohde, director of agronomy for Dundee Citrus Growers Association, led the tour group through a 10-acre CUPS pod at Fort Meade in neighboring Polk County. …

Take the Sting Out of Fire Ants

Morgan ColeSponsored Content

Effective fire ant control calls for long-term, proactive treatment. It isn’t enough to fight the fire ants on the surface. Fire ant tunnels can extend deep underground, up to 25 feet away from visible mounds. The fire ants you can see are only a fraction of the problem – and are easily replaceable. Central Life Sciences has the product solutions …

Costa Rican

Costa Rican Orange Production Forecast

Daniel CooperCrop Forecast, International

After an 11% fall in Costa Rican orange production in 2024–25, production is forecast to increase 10% in 2025–26 to 220,000 metric tons (MT). This projection is from the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). PRODUCERS AND PROCESSORS Two companies, TicoFrut and Del Oro, control most of the production and practically all processing of oranges in Costa …

purity level

A Pure Product Pays Dividends

Daniel CooperHLB Management, OTC Expert

Sponsored Content Question: Does the purity level of ReMedium TI® help aid the therapeutic response to citrus greening with trees that are under environmental stress? Answer: During the research and development phase of ReMedium TI®, several things were observed that pertain to this question. First, trees that have been under relatively severe stress do have slower uptake of ReMedium TI®. …

Global

Global Tangerine/Mandarin Projections

Daniel CooperCrop Forecast, International, Mandarins

A recent U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) report — Citrus: World Markets and Trade — included global tangerine/mandarin projections for 2025–26.  Global fresh tangerine/mandarin production is forecast up less than 1% to 38.4 million tons. Larger crops in China, Turkey, Morocco, South Africa and Japan more than offset smaller European Union (EU) and U.S. harvests. Processing …

control

Pest Control in Protected Production Systems

Daniel CooperCUPS, IPCs, Pests

In a recent virtual presentation, entomologist Jawwad Qureshi discussed monitoring and control measures for citrus pests in trees under individual protective covers (IPCs) and in citrus under protective screen (CUPS). Qureshi is an associate professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center in Immokalee. MONITORING METHODS Qureshi’s noted that …

new step

A New Step Before You Spray

Daniel CooperPesticides, Tip of the Week

By Matt Smith The pesticide label is going online — kind of. I’ll explain, but the main takeaway is that a new step before spraying is required from now on. It’s not particularly difficult, but it is going to add to your pre-spray paperwork and planning. Why is this happening? After multiple lawsuits, judges reaffirmed that the Federal Insecticide, Fungicide, …

ambrosia

After Freeze, Ambrosia Beetles Are Potential Threat

Daniel Cooperfreeze, Pests

Florida citrus growers should be on the lookout for an uncommon citrus pest following the recent freeze events that devastated crops throughout the state. During a recent postfreeze webinar hosted by the University of Florida Institute of Food and Agricultural Sciences Citrus Team, Lauren Diepenbrock, associate professor and entomologist, warned growers about the ambrosia beetle. This pest can prey on …