Fresh Citrus Shipments Continue to Drop; CAC Elections Coming

Ernie NeffFresh


Fresh citrus shipments from Florida so far in the 2017–18 citrus season have fallen 37 percent below the previous season, reports Citrus Administrative Committee (CAC) Manager Duke Chadwell. “And that percentage has held true from the beginning of the season up until now,” he says. “However, I do anticipate as we move forward that that percentage is going to grow. … Read More

Jude Grosser: Giving Growers Better Options

Tacy CalliesBreeding

By Tacy Callies Some people start young adulthood by following in their parents’ footsteps. Jude Grosser began by following the path of his oldest brother, Tim, instead. Both went to Thomas More College and majored in biology. After that, their education and careers took different turns. Grosser thought he would work in wildlife or fisheries, but then had an opportunity … Read More

UF/IFAS, Tropicana Test Promising New Citrus Varieties for Greening Tolerance

Daniel CooperCitrus Greening, Industry News Release, Research

Grafted orange trees showcased at the 100th anniversary of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) may give the state’s citrus growers new reason to hope the industry can cope with the citrus greening crisis, UF/IFAS researchers say. University of Florida scientists and Tropicana are teaming up to test promising new UF/IFAS-bred … Read More

Fresh Citrus Minimum Sizes Reduced

Ernie NeffFresh


The minimum size requirement for fresh Florida oranges and grapefruit was recently reduced. The Citrus Administrative Committee (CAC), which manages a federal marketing order for fresh Florida citrus, requested the change. The minimum orange size was reduced from 2.5 to 2.25 inches in diameter. The grapefruit reduction was from 3 and five-sixteenths inches to 3 inches. CAC Manager Duke Chadwell … Read More

Citrus Production in Argentina

Tacy Callieslemons

By Stephen H. Futch and Ariel Singerman In May of 2017, we visited the northwestern citrus production region of Argentina in the provinces of Jujuy, Salta and Tucumán. The purpose of the trip was to learn more about Argentina’s citrus industry and programs being developed to deal with both the Asian citrus psyllid (ACP) and huanglongbing (HLB). Argentina has a … Read More

Florida Citrus Commission Passes Emergency Rule

Daniel CooperCitrus, Grapefruit, Industry News Release

The Florida Citrus Commission (FCC) held an emergency meeting on September 14 in response to a request for emergency rulemaking from the Florida Citrus Packers Association to approve rule 20ER17-2, addressing the Soluble Solids to Anhydrous Citrus Acid Maturity Standards for grapefruit and oranges for the 2017-18 season. The following emergency rule passed unanimously by the FCC: 20ER17-2 Grapefruit and Orange … Read More

Governor Rick Scott Appoints Three to the Florida Citrus Commission

Daniel CooperIndustry News Release

florida citrus

Governor Rick Scott announced two appointments and one reappointment to the Florida Citrus Commission. Lee Bouldin, 62, of Vero Beach, is a citrus shipper at DNE World Fruit. He received his bachelor’s and master’s degrees from Wake Forest University. Bouldin succeeds Michael Garavaglia and is appointed for a term beginning August 9, 2017, and ending May 31, 2019. Carlos Martinez, … Read More

Time to Get Serious About Trialing New Scion/Rootstock Combinations

Tacy CalliesRootstocks, Scions

By Jude W. Grosser and Frederick G. Gmitter It’s no secret that citrus greening disease, or HLB, continues to take a heavy toll on the beloved Florida citrus industry. It has been estimated that the industry will need to replant over 3 million trees per year for the next 10 years just to get back to normal. So the million-dollar … Read More

In-Field Fruit Fogging for Psyllid Control

Tacy CalliesPsyllids

The California Citrus Research Board (CRB) hosted live Asian citrus psyllid (ACP) fogging demonstrations in April. The purpose was to show the viability of controlling the spread of ACP by fogging shipments of citrus on the truck, as close to the harvested field as possible. Spencer Walse, CRB research scientist specializing in chemical applications in agriculture, carried out the demonstrations. He is based at … Read More

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 … Read More

Dual Treatment Tested for HLB Trees

Tacy CalliesCitrus, Nutrition

Severe pruning combined with enhanced foliar nutrition did not prove cost-effective. By Monica Ozores-Hampton, Fritz Roka, Robert Rouse and Pamela Roberts Citrus trees affected by huanglongbing (HLB) become diminished, weak and develop dieback resulting in reduced production. Decline in fruit yield ultimately prevents economically acceptable commercial citrus production. Pruning and spraying foliar nutritionals are two practices being considered to restore … Read More

CREC and FDOC: Decades of Working Together

Daniel CooperCitrus, Industry News Release, Research

citrus celebrates anniversary

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 … Read More

Citrus Canker Management for 2017

Kelsey FryDiseases

By Evan Johnson The citrus canker season is quickly approaching again, so it is time to start preparing your canker management plan. It is easy to forget the importance of controlling citrus canker with the current state of HLB in Florida. However, citrus canker can cause almost complete crop loss if environmental conditions are favorable for disease early in the … Read More

Finger Lime Could Be New Crop for Citrus Growers

Tacy CalliesBreeding

By Manjul Dutt, Ethan Nielsen and Jude Grosser The finger lime is a citrus relative, scientifically named Microcitrus australasica. Finger limes are native to Australia and are so named because the fruits are long and fingerlike in shape (see figures 1 and 2). Finger limes belong to a group of similar citrus relatives, all originating from Australia with common names … Read More

Freeze Damage Symptoms and Recovery for Citrus

Tacy CalliesFreeze Protection, Weather

By Mongi Zekri, Chris Oswalt, Steve Futch and Laurie Hurner The extent of cold injury to citrus depends on a number of factors, and its expression may occur over an extended period of time. Factors responsible for freeze damage include minimum temperature, duration of freezing temperatures and stage of tree acclimation. Susceptibility of trees to freezing temperatures can also be … Read More

UF Researcher Discusses HLB-Tolerant Scions

Ernie NeffCitrus Greening, Scions

University of Florida researcher Jude Grosser told growers about new HLB-tolerant scions at this summer’s Citrus Expo. He summarizes his discussion in this report. “Without question, the most tolerant scion that we have is a fresh market tangelo that we call Sugar Belle,” Grosser says. “It’s very similar to Minneola, but matures a little bit earlier and so it can … Read More

Sneak Peek: January Citrus Industry Magazine

Tacy CalliesCitrus

A new year is just around the corner and so is the next issue of Citrus Industry magazine. The January issue features a cover story on Callie Walker, chief of the Bureau of Pest Eradication and Control for the Florida Department of Agriculture. Learn about Walker’s deep roots in citrus and what she is doing about the abandoned grove problem. … Read More

Sensory and Consumer Studies for Improving Citrus Quality

Tacy CalliesCitrus

By Laura Reuss, Fred Gmitter and Yu Wang In Florida, it is necessary to produce large quantities of high-quality citrus fruits in order to keep pace with the projected market growth, as well as to maintain viability of the citrus industry. Successful development of new varieties and pre- and post-harvest practices should be consumer-driven. However, consumer behavior is often affected … Read More

Control of Stem-End Rot of Fresh Citrus

Tacy CalliesDiseases

By Mark A. Ritenour, Jiuxu Zhang and Megan M. Dewdney Decay of fresh citrus fruit is most often caused by fungal pathogens that grow and develop in the hot and wet conditions typical in Florida. While green and blue molds (Penicillium digitatum and Penicillium italicum) and sour rot (Galactomyces citri-aurantii) are the most common postharvest citrus diseases worldwide, the subtropical … Read More