ecological mowing

Cover Crops, Ecological Mowing Benefit Citrus

Daniel CooperBrazil, Cover Crops

Brazil’s Fundecitrus reported on the benefits to citrus from the use of perennial cover crops such as Urochloa ruziziensis combined with the adoption of ecological mowing. This technology has been gaining space in groves by redistributing the phytomass of cover crops from the interrows to the planting rows, forming a protective mulching layer over the soil. Benefits of the management …

stamp

PIECES OF THE PAST: A Stamp in Time

Daniel CooperPieces of the Past

By Brenda Eubanks Burnette Bill Roe, of W. G. Roe & Sons, recently gave me a framed display of citrus revenue stamps that he had collected, which many people may not be familiar with. The stamps came about in the early 1900s when the industry was struggling to overcome early shipments of unripe fruit into the market because it ruined …

ascorbic acid

Study Sheds Light on the Use of Ascorbic Acid With OTC

Daniel CooperHLB Management, Research

Growers have always been innovators, testing new production practices in their groves. When you add a disease like HLB, those experiments get ramped up in the effort to seek solutions. A good example of this was a discussion that began last year among growers that ascorbic acid (vitamin C) might be helpful in extending the effectiveness of the oxytetracycline (OTC) …

patience

Postfreeze Patience Is a Virtue

Daniel Cooperfreeze, Irrigation, Nutrition

Edwin A. Gutierrez-Rodriguez and Jonael Bosques, both with University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension, recently explained why patience is an important post-freeze tree management strategy. Following are highlights from the article they wrote. After Florida’s recent freeze event, a common question citrus growers were asking was: “What should I do to recover the trees?” The …

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 …

Brazilian citrus

Brazilian Citrus Contributes to Climate Change Mitigation

Daniel CooperBrazil, Environment

Brazilian citrus farming plays a strategic role in environmental sustainability, a recent article from Fundecitrus reported. The citrus industry demonstrates significant potential to contribute to the reduction of greenhouse gases, either through carbon sequestration or the adoption of more sustainable agricultural practices. Between 2022 and 2024, Embrapa Territorial, in partnership with Fundecitrus, conducted a project to map and quantify carbon …

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 …

traits

Citrus Traits To Be Studied in Australia

Daniel CooperBreeding, Research

Queensland University of Technology (QUT) Professor Peter Prentis will lead a $2.2 million study to investigate the genetic basis of several citrus traits. This includes disease resistance and plant growth habits.  QUT researchers will work with members of the CRC Future Food Systems and Superior Production PTY LTD. The project is titled “Elucidating the genetic basis of disease, dwarfing, seedlessness …

varieties

CITRUS NURSERY SOURCE: Important Details About Newly Available Citrus Varieties

Daniel CooperCitrus Nursery Source, Varieties

By Peter Chaires There are presently two groups of University of Florida (UF) citrus varieties, licensed to Florida citrus nurseries via New Varieties Development & Management Corp. (NVDMC), the licensing designee of the Florida Department of Citrus. These include: GROUP ONE Get more details on group one in the February 2025 Citrus Nursery Source article. GROUP TWO Find more information …

Australian

Australian Citrus Continues to Climb

Daniel CooperCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) has forecast year-over-year production increases for Australian oranges, orange juice and mandarins in 2025–26.  ORANGES Orange production in Australia is projected to reach 590,000 metric tons (MT) in 2025–26, up from 580,000 MT the prior year. Of the total forecast, 365,000 MT is expected to come from navel varieties and …

sales

Organic Sales, Including Citrus, on the Rise

Daniel CooperOrganic

U.S. sales of certified organic products accelerated in 2025, reaching $76.6 billion with an annual growth rate of 6.8%, according to the Organic Trade Association’s (OTA) 2026 Organic Market Report. In 2025, organic products grew at a fast pace, double that of the comparable marketplace growth of 3.4%. Organic citrus had an especially strong year, with sales climbing 18.1%. “For …

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 …

citrus canker

Alternatives to Copper Needed for Citrus Canker Management

Daniel CooperDiseases

Florida citrus producers have long used copper as a way to protect against citrus canker. However, it’s time for growers to have other options. That’s a message shared by Ozgur Batuman, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor and citrus pathologist at the Southwest Florida Research and Education Center in Immokalee. He spoke on this …

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 …

Georgia citrus

Diversification Taking Root in Georgia Citrus

Daniel CooperCitrus

The Georgia Citrus Association celebrated its 10th anniversary at its recent annual meeting. Much has changed in the industry over the past decade, specifically how growers have diversified their production to include more than just satsuma mandarins. “The industry was initially built on satsumas, being that they’re cold hardy, so that is still the majority of the varieties in Georgia,” …

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 …