Grapefruit Juice Demand Is Strong

Ernie NeffGrapefruit

There were numerous reports in 2020 about the significant increase in consumer demand for orange juice (OJ) at the retail level during the COVID-19 pandemic. But Florida Department of Citrus economist Marisa Zansler recently reported that “the same can be said about the significant increases in sales volumes of other citrus products … Notably, within the retail fruit juice category, …

Flowering Intensity, Shoot Dieback and HLB

Tacy CalliesHLB Management

Citrus trees grown in Florida continuously undergo various types and levels of stress. Stressors can include severe weather conditions, soil pH, chemicals, pests and diseases. The constant presence of HLB and psyllid infestation adds further stress to the tree, compromising overall tree health. Off-season flowering and prolonged flowering are common responses of trees when undergoing various stress conditions. Off-season and …

Choosing a Lemon Rootstock

Tacy Callieslemons, Rootstocks

By Kim D. Bowman Lemons are a relatively small part of the Florida citrus crop. But with more than 317,000 lemon trees propagated in Florida nurseries over the past two years, lemons are clearly gaining increasing interest from growers trying to find a crop that is easier to grow and with a quick return on investment. As is the case …

New Year’s Resolutions for 2021

Tacy CalliesTip of the Week

By Ruth Borger It is time for a new year, and many of us cannot see 2020 end fast enough. It is almost time for 2021, and there is a lot to be hopeful for. New vaccines to fight the coronavirus hold great potential for beating the pandemic. U.S. citrus sales so far this season continue to show strong performance. …

Growing Citrus Trees With Oak Mulch

Ernie NeffHLB Management

Lukas Hallman, a graduate student at the Indian River Research and Education Center (IRREC), is doing research to find what is in oak trees that apparently helps citrus cope with HLB. The University of Florida Institute of Food and Agricultural Sciences operates the IRREC. “Anecdotal reports from Florida growers claim that citrus trees growing within the drip line of large …

Sneak Peek: January 2021 Citrus Industry

Tacy CalliesSneak Peek

Now is the time of year for gifting fresh citrus to family and friends to enjoy. Unfortunately, people are not the only ones who enjoy eating citrus. Numerous pests can be found feasting on various plant parts in the grove. Keeping pests under control is the theme of the January issue of Citrus Industry magazine. Of course, the most concerning …

Update on CRISPR Research for Citrus Improvement

Tacy CalliesBreeding

By Nian Wang, Fred Gmitter and Manjul Dutt Nearly all commercially important citrus types — oranges, grapefruits etc. — have originated by mutations that have accumulated over several hundreds to thousands of years, from what once was an original, individual sweet orange tree and a single grapefruit tree. The many different cultivars that we know today are descended from those …

FDOC Promotion of OJ Benefits Growers

Tacy CalliesMarketing, Orange Juice

The Florida Department of Citrus (FDOC) e-commerce campaign to drive sales of 100 percent Florida orange juice (OJ) is nearing the halfway mark and continues to deliver strong results. As of Dec. 18, the e-commerce campaign reached 150 million impressions and $4.2 million in attributed sales of 100 percent OJ with a return on advertising spend of $5.45. Additionally, the …

Training Veterans for Agriculture Jobs

Ernie NeffEducation, Industry News Release

Veterans Florida is working with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) to prepare former military personnel for jobs in agriculture. The organization has received a three-year, $745,000 grant from the U.S. Department of Agriculture to fund the Veterans Florida Agriculture Program (VFAP) in partnership with UF/IFAS. The program is a six-month paid fellowship designed to …

Rogers on Fruit Drop, Meetings and More

Ernie NeffAll In For Citrus Podcast, Fruit Drop

Add Michael Rogers to the list of those seeing early-season fruit drop in Florida this fall. Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, saw the drop while visiting groves. In the December All In For Citrus podcast, he also addresses flower bud induction advisories and upcoming UF/IFAS presentations. …

growers

Freeze Protection Measures for Citrus

Ernie Nefffreeze

Multi-county citrus Extension agent Chris Oswalt discussed historical and current freeze protection measures in a virtual Dec. 22 OJ Break. PASSIVE MEASURESSome cold-protection measures are taken well in advance of freezes; Oswalt referred to them as passive measures. They include grove site selection, crop selection and cultural practices. One site selection consideration is planting groves at higher elevations, which are …

High-Tech Scouting in Citrus Production

Tacy CalliesTechnology

By Yiannis Ampatzidis and Tara Wade Traditional sensing technologies in citrus production for pest and disease detection and field phenotyping rely on manual sampling, which is time consuming and labor intensive. Since availability of personnel trained for field scouting is a major problem, small unmanned aerial vehicles (UAVs) equipped with various sensors and artificial intelligence (AI) can simplify the surveying …

Citrus Holiday Traditions

Tacy CalliesTip of the Week

By Ruth Borger and Megan Dewdney Oranges and other citrus have a special place during holiday celebrations. We find them in our decorations, on our dinner table, shipped to friends and families across the country, and sometimes, if you are really good, in your Christmas stocking. But where did these traditions come from? And when did they become part of …

Recommendations for Managing Fruit Drop

Tacy CalliesFruit Drop

This fall, many Florida citrus growers are experiencing heavy fruit drop, some even up to 50 percent. Tripti Vashisth, assistant professor of horticulture at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, recently spoke on this topic. She discussed fruit drop during the first presentation of the new UF/IFAS OJ Break meeting …

PIECES OF THE PAST: Christmas Traditions

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette The orange became part of Christmastime traditions in the 19th century, along with the custom of hanging stockings near the fire. According to Emily Spivack, who wrote about the origin of the Christmas stocking for Smithsonian.com, the tradition of hanging stockings dates back to around 1823, when it is mentioned in the poem “Account of a …

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Changes Proposed for Citrus From Australia

Ernie NeffExport/Import

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) recently proposed to expand the production areas in Australia from which fresh fruit may be sent to the United States. It also proposed to revise the conditions under which citrus from Australia may be sent to the United States. Currently, APHIS allows the entry of fresh citrus fruit …

Root Bacteria Could Help Defeat HLB

Len WilcoxCalifornia Corner, Industry News Release, Research

A team led by the University of California, Riverside (UCR) is looking at tiny underground microorganisms for a way to prevent a huge problem — huanglongbing (HLB), a disease with no cure that has decimated citrus orchards worldwide. “Often times, it is thought of as an above-ground disease of the fruits, leaves and stems,” said Caroline Roper, plant pathology professor …

Food-Safety Concerns Sought for Produce Industry

Ernie NeffSurvey

The University of Florida (UF) and Rutgers University are teaming up to find out what food-safety issues are the biggest concerns across the produce industry. Members of the produce industry are invited to participate in an anonymous online survey that will take approximately 10 minutes to complete. UF Institute of Food and Agricultural Sciences researcher Michelle Danyluk said the survey …

Retail Orange Juice Prices and Sales on the Rise

Tacy CalliesOrange Juice

The most recent Nielsen report reveals promising news for Florida retail orange juice (OJ) sales. During a recent Florida Department of Citrus (FDOC) webinar, Marisa Zansler, director of the FDOC Economic and Market Research Department, presented a summary of the second Nielson report for the 2020–21 citrus season through the four-week period ending Nov. 28. The report shows that OJ sales for …

Management Advice for Aquatic Weeds

Tacy Calliesweeds

Nearly every Florida citrus grower will sooner or later experience aquatic weed control problems. Aquatic plants are necessary for maintaining the balance of nature and offering food, protection, oxygen and shelter to aquatic species. However, maintaining a balance in the aquatic system while sustaining crop success and avoiding loss of income can be a challenge. Excessive aquatic weed growth can …