export expectations

Moroccan Citrus: Increased Production Brings Marketing Challenges

Tacy CalliesCitrus

By Hassan Farouk Ahmed Morocco’s citrus production reached 2.3 million metric tons (MT) in 2016–17, an increase of 15 percent over the previous marketing year. Orange production increased by 4 percent, to 962,250 MT, while tangerine and mandarin production increased 24 percent to 1,325,246 MT. Much of the increase in production was due to increases in the area harvested, as …

labor

Farm Labor Supervisor Training Coming in Fall

Ernie NeffLabor

Carlene Thissen, project coordinator for farm labor supervisor training at the Southwest Florida Research and Education Center in Immokalee, discusses the training scheduled for this fall. “We have for the last five years offered training to farm labor supervisors,” Thissen says. “So basically the way we say it, regarding farm workers, we make their bosses better. And we make sure …

Understanding Soil-Moisture Sensor Data

Tacy CalliesCitrus, Irrigation

By Arnold Schumann and Laura Waldo Florida citrus trees may require irrigation throughout the year due to the extremely sandy soils with low water-holding capacities and the warm subtropical climate with distinct drought periods in spring. Citrus trees are evergreen and may be actively growing at any time, with no true dormant phase. HLB-affected trees are particularly prone to multiple …

Fred Gmitter: Slow Road to Fast Genetics

Tacy CalliesBreeding, Citrus

By Ernie Neff Even Nostradamus would have struggled to predict a career path for a 25-year-old Fred Gmitter. Gmitter had quit college after three years at Rutgers University, where he studied English literature with plans to teach. He said he “became completely disillusioned” with that plan. He married, worked as a delivery truck driver and warehouse laborer, and traveled out …

Citrus Expo

Field Trials of Rootstocks and Scions: What Can They Tell Us?

Tacy CalliesNews from our Sponsor, Rootstocks, Scions

By Harold Browning Column sponsored by the Citrus Research and Development Foundation Plant breeding programs have been a mainstay of citrus production worldwide. They have served as a basis for gradual improvement in fruit quality, adaptability to varying growing environments, and most importantly, to disease management. For that reason, new germplasm has been a front line of pursuit in the …

Georgia Prison Gets Citrus Plot

Tacy CalliesCitrus

By Tacy Callies With the recent birth of the Georgia Citrus Association (GCA), many small commercial citrus groves are getting started in the state. Georgia’s newest citrus planting, however, is not a commercial grove. It’s a 100-tree installation that was planted this spring at the Mitchell County Correctional Institute. Dubbed MitCo Grow by a 4-H student, the project is the …

florida citrus

June Citrus Forecast: Oranges Up; Tangerines Down

Daniel CooperCitrus, Crop Forecast

ORANGES The 2016-2017 Florida all-orange forecast released by Mark Hudson of the U.S. Department of Agriculture’s National Agricultural Statistics Service is up 500,000 boxes to 68.5 million boxes. The increase is in Valencia oranges. The total includes 33 million boxes of non-Valencias (early, midseason, and Navel varieties) and 35.5 million boxes of Valencias. For the previous 10 seasons used in …

Citrus Expo

What Have We Learned?

Tacy CalliesCitrus, News from our Sponsor

By Harold Browning Column sponsored by the Citrus Research and Development Foundation Within the Citrus Research and Development Foundation (CRDF), the daily challenge of keeping up with a wide array of HLB topics, more than 75 currently funded projects, and monthly committee and board meetings translates into a constant flow of information. Project managers meet weekly to discuss progress and …

UC Davis Seeking a Few Good Citrus Orchards

Len WilcoxCitrus

Professor Patrick Brown, of the University of California, Davis Department of Plant Sciences, needs the help of some citrus growers with high-producing citrus orchards for a special project. He is looking for growers who have both navels and mandarins that are productive. “It’s a non-destructive study. We just want to collect leaf samples and analyze them for nutrient levels,” said …

HLB

New CRDF Manager Will Push HLB Solutions

Ernie NeffCitrus Greening, HLB Management

The Citrus Research and Development Foundation (CRDF) will soon hire another top administrator to ensure potential HLB solutions make it to the grove. The application period for a senior project manager ends May 24. Rick Kress, CRDF vice president and Governance Committee chairman, discusses the need for the position and the manager’s duties. “Right now, the entire citrus industry, specifically …

usda

USDA Citrus Crop Forecast

The first USDA citrus forecast for the 2025-26 season will be released at 12 p.m. on Oct. 9, 2025. You will be able to tune in and hear the numbers as they are given by the U.S. Department of Agriculture National Agricultural Statistics Service. AgNet Media is on Mixlr Please click on the player above for the internet audio stream …

Controlled-Release Fertilizer Boosts Health of HLB Trees (Part 2)

Tacy CalliesCitrus, Nutrition

By Pete Spyke, Joby Sherrod and Jude Grosser Part 1 of this article, published in the April 2017 issue of Citrus Industry magazine, provided some background information on controlled-release fertilizer (CRF) along with a discussion of practical applications in citrus production. This article, part 2, includes summaries of observations from several case studies in which CRF has been applied for …

Drought Remains Top Concern Despite Recent Floods

Kelsey FryCalifornia Corner

By Len Wilcox The wettest year in recent history is bringing relief to California growers. The relief may be short-lived, however, unless state water officials make permanent changes in water management and address the supply shortfall during drought years. A new executive order has been issued by the state to improve conservation measures and water-management procedures. The short-term outlook is …

citrus celebrates anniversary

CREC and FDOC: Decades of Working Together

Daniel CooperCitrus, Industry News Release, Research

As the University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) celebrates its 100th anniversary, administrators are praising a decades-long relationship between researchers with CREC and the Florida Department of Citrus (FDOC). “Housing the FDOC and CREC scientists at the same location has brought together the expertise needed to address any issue facing the …

Teaming Up Against Asian Citrus Psyllids

Josh McGillCitrus, Psyllids

The natural enemies Diaphorencyrtus aligarhensis and Tamarixia radiata may have a future together in California. By Ivan Milosavljević and Mark S. Hoddle Over the past 11 years, the Asian citrus psyllid (ACP)-Candidatus Liberibacter asiaticus (CLas) (manifested as citrus greening) complex has become a “duo from hell” for Florida’s citrus industry, causing a substantial negative economic effect. ACP-CLAS MANAGEMENT IN CALIFORNIA …

Bucks Toward BMPs

Kelsey FryWater

Cost-share assistance is available from several sources for growers looking to implement improvements to best management practices. By Tacy Callies The names of the organizations and programs that provide funding to Florida citrus growers for best management practices (BMPs) projects — SWFWMD, FARMS, EQIP, etc. — can sound like a big bowl of alphabet soup. But in reality, they represent …

The Pest Partnerships that Threaten Citrus

Josh McGillCalifornia Corner, Citrus, Pests

Biocontrol of Asian citrus psyllids can be improved by controlling ants. By Kelsey Schall and Mark Hoddle More than a decade of battle with the Asian citrus psyllid (ACP)-huanglongbing (HLB) complex has drained the vigor from Florida’s citrus industry, costing billions in disease management and production losses. With HLB established in parts of urban Southern California, the second largest citrus …

Buddha’s Hand Citron Could Play Role in Canker Resistance Breeding

Kelsey FryCitrus, Diseases

By Naveen Kumar, R.C. Ebel and P.D. Roberts Citrus canker became endemic in Florida after several introductions and eradication programs dating back to 1915. The citrus industry struggles for an effective, permanent program. Canker is an expensive disease due to the need to increase the number of sprays and products applied. Canker also causes enormous economic losses due to fruit …

leprosis

Researcher Provides Leprosis Update

Ernie NeffDiseases, Research

The citrus viral disease leprosis, found briefly in Florida in the 1960s, is now in South America, Central America and Mexico. Ron Brlansky, University of Florida professor emeritus, provided an update on the disease at a March OJ Break in Lake Alfred. “It (leprosis) causes fruit spotting, leaf spots, leaf drop, fruit drop and even some major twig dieback of …

HLB

Bactericide Grower Trials for HLB ‘Extremely Variable’

Ernie NeffBactericides, HLB Management

Stephanie Slinski, Citrus Research and Development Foundation bactericide project manager, discussed grower trials on the use of bactericides for HLB at the Florida Citrus Growers’ Institute in Avon Park on April 4. She summarizes the presentation. “We have a series of field trials set up throughout Florida to test the efficacy of oxytetracycline and streptomycin just in the grower program,” …