Manipulating Flowering for Better Grove Management

Tacy CalliesProduction, Research

By Tripti Vashisth, Garima Singh and Megan Dewdney Citrus trees grown in the field undergo various types and levels of stress continuously. The stressors can be several things, including heat, cold, drought, soil pH, chemicals, pests and diseases. The constant presence of huanglongbing (HLB) and psyllid infestation adds stress to the trees, which compromises the plant response and makes the … Read More

Latest Citrus Production Guide to Be Unveiled at Citrus Expo

Daniel CooperCitrus Expo, Industry News Release, Production


The latest technical advice on citrus greening disease, tree nutrition, grove management and other aspects of Florida citrus cultivation will reach growers Aug. 14–15, as the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) unveils the newest edition of its annual guide at the 2019 Citrus Expo. Known as the “Florida Citrus Production Guide 2019–2020,” the 275-page document … Read More

Optimize Fresh Fruit Results With Selective Pruning

Tacy CalliesProduction, Pruning

By Christopher Vincent and Mark Ritenour Planting fresh citrus varieties has increased in popularity. With these potentially high-value crops come questions about management practices, including pruning. This article discusses pruning practices that can improve the health and productivity of citrus trees. The principles of pruning are the same for any citrus plant. However, quality affects value of fresh fruit even … Read More

The Real Cost of HLB in Florida

Tacy CalliesEconomics, Production, Research

By Ariel Singerman This article summarizes the major changes in the cost of production for processed oranges in Florida since the outbreak of huanglongbing (HLB). To deal with the disease, growers have significantly changed their cultural practices. Those changes have had a considerable impact on the cost of production per acre. NOMINAL COSTS VS. REAL COSTSHowever, given that inflation also … Read More

Peace River Growers Talk Production and Marketing

Ernie NeffMarket, Production

Production levels and techniques as well as citrus marketing were topics at a recent Peace River Valley Citrus Growers Association roundtable meeting in Wauchula. Executive Director Kait Shaw summarizes the discussion. “I think a lot of the growers felt that it had been a pretty good year,” Shaw says. “Things are starting to look up from greening.” She says growers … Read More

The Facts on Preharvest Fruit Drop

Tacy CalliesProduction, Research

By Tripti Vashisth, Lisa Tang and Sukhdeep Singh In citrus, huanglongbing (HLB) causes an increase in the mature fruit drop rate up to three months prior to commercial harvest. This preharvest fruit drop results in a great reduction in yield and overall grove productivity. Since the plant growth regulators that improve fruit retention on healthy trees do not have consistent … Read More

Orange Grower: ‘Best Year I’ve Ever Had’

Ernie NeffProduction


Hardee County orange grower Kenny Sanders said at a grower roundtable meeting on June 25 that he produced 409 boxes per acre in the 2018–19 Florida citrus season. “This is the best year financially I’ve ever had in the citrus business,” Sanders said at the Wauchula gathering hosted by Peace River Valley Citrus Growers Association. “In 2012, I picked 500 … Read More

Florida Citrus Production Continues Downward Trend

Daniel CooperCitrus, Crop Forecast, fruit, Grapefruit, lemons, Production


The 2018–19 Florida all-orange forecast released by the U.S. Department of Agriculture (USDA) on June 11 is 71.4 million boxes. The total includes 30.4 million boxes of non-Valencia oranges (early, mid-season and Navel varieties) and 41 million boxes of Valencia oranges. The June forecast for non-Valencia production is unchanged from the May forecast. Harvest is complete for the included varieties. … Read More

Citrus Production Cost Surveys Scheduled

Daniel CooperEconomics, Production

In an effort to continue to gather accurate production cost data for Florida citrus growers, University of Florida economist Ariel Singerman will be conducting two regional surveys. This will be the fourth year that Singerman has met with citrus growers to gather current production cost data. This information is important for a multitude of reasons, including citrus grove valuations for … Read More

Indian River Citrus Agent Shares Goals

Ernie NeffProduction

Amir Rezazadeh discusses his role as the new multi-county citrus Extension agent for the Indian River production region. “I really want the growers to know that I’m here to support them,” says Rezazadeh, who has experience working in production. In addition to helping growers deal with greening disease, he says he wants to “introduce … new, high-value alternative crops” to … Read More

Albrigo: Bloom Looks Good

Ernie NeffProduction

The University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) researcher known for his work on the timing of bloom sees the potential for good bloom this season. “Flowering for Florida’s next citrus crop has been coming along fairly well,” UF/IFAS Emeritus Professor Gene Albrigo said in a Feb. 13 interview. He expects the first wave of spring flowers … Read More

New Florida Citrus Production Guide Debuts at Citrus Expo

Daniel CooperCitrus Greening, Industry News Release, Production


Beginning this week, Florida citrus growers will have an updated resource to help them keep groves productive despite the ever-present threat of huanglongbing, the bacterial malady also known as HLB or citrus greening disease. Experts with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) have just completed a 180-page technical handbook, “Florida Citrus Production Guide 2018-2019.” It … Read More

The Sweet Spot

Tacy Calliesplanting, Production, Rootstocks, Scions

Moderate spacing and medium tree size could be the quickest way Florida growers can return to producing 100 million boxes of oranges per year. By Pete Spyke, Bill Castle and Ed Stover The Florida Department of Citrus (FDOC) recently released the results of a study originally titled “Restoring Florida’s Commercial Orange Tree Inventory: Economic Impacts of APS vs. Traditional Plantings.” … Read More

Inside Spain’s Citrus Industry

Tacy CalliesProduction

By Steve Futch and Ariel Singerman Editor’s note: The authors share what they learned while touring Spain’s citrus industry in March of 2017. Spain is the leading citrus producer in the European Union (EU) with approximately 300,000 acres that yield about 21 million boxes. FOCUS ON FRESH Production is primarily focused on the fresh market, with much fruit exported to … Read More

Orange Production Projections for Florida

Ernie NeffProduction


Allen Morris, owner of Morris Agribusiness Services, says Hurricane Irma will have a huge impact on future orange production in Florida. He explains that Irma caused extensive tree defoliation, which will prevent trees from setting a full crop. He projects an orange crop of 45 to 50 million boxes in the 2018-19 season, and a crop of 60 million boxes … Read More

Be Counted: Turn in Your Ag Census

Abbey TaylorProduction

Florida producers are encouraged to turn in their Census of Agriculture when they receive it in the mail. Because Florida is so agriculturally diverse, it is crucial for producers to participate so the National Agricultural Statistics Service (NASS) can account for each crop grown. The national return rate is currently lower than it was at this point in the 2012 … Read More

Growers Discuss Production Levels

Ernie NeffProduction


The level of fruit production in groves was one of the major topics discussed at a citrus grower roundtable meeting on May 15 in Wauchula, Florida. Several growers said their per-acre production increased this season, but one said he had huge production declines. One grower said his Valencia crop doubled. Another said he had a 50 percent crop increase, adding … Read More

Herbicide Synergy for Citrus Weed Management

Tacy CalliesProduction, Research

By Ramdas Kanissery, Brent Sellers and Steve Futch Weed control is a major component of Florida citrus grove management. A warm, humid climate and frequent rainfall provide a conducive environment for prolific weed emergence and growth in citrus groves. Although there are several pre- and post-emergent herbicide products available for managing a diversity of citrus weeds, there is always an … Read More

An Inside Look at Brazil’s Citrus Production Practices

Tacy CalliesProduction

By Stephen Futch and Ariel Singerman This article summarizes observations on citrus production during a June 2017 trip to Araraquara and the Southwest region of the state of São Paulo, Brazil. INDUSTRY OVERVIEW The citrus industry in São Paulo is divided into five production regions (North, Northwest, Central, South and Southwest). This regional classification is based upon climatic characteristics and … Read More

Tools for Growing Citrus in the HLB Era

Ernie NeffHLB Management, Production


Economist Tom Spreen thinks advanced production systems (APS) and citrus under protective screen (CUPS) offer hope for some growers in the face of HLB. Spreen, a University of Florida Institute of Food and Agricultural Sciences professor emeritus, discussed APS and CUPS at a recent Gulf Citrus Growers Association economic seminar in LaBelle. Spreen says growing with APS “means you have … Read More