Chile

Chile Citrus Production Projections

Daniel CooperCrop Forecast, International

In a recent semi-annual report, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) projected 2023–24 lemon production in Chile will increase from the prior year while the country’s orange and tangerine/mandarin production will decrease. LEMONS Lemon production in 2023–24 is projected to grow by 6.7% from the prior year and reach 175,000 metric tons (MT). Lemon planted area …

director

CRAFT Foundation Has New Leader

Daniel CooperCRAFT

Steven Hall on July 8 succeeded Tamara Wood as executive director/program manager of the Citrus Research and Field Trial (CRAFT) Foundation. Wood will return to her former full-time employer Florida Citrus Mutual after a short period helping with the transition to Hall. Hall most recently served as assistant deputy commissioner of the Florida Department of Agriculture and Consumer Services (FDACS), …

Millennium Block

Millennium Block Research Shows Promising Results

Daniel CooperGrapefruit, Indian River, Research

A recent update of Millennium Block research at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center in Fort Pierce indicates the 5,500 trees in the project are yielding promising results. The four trials within the Millennium Block aim to unlock the genetic potential of new scion and rootstock hybrids never tested …

food prices

Sustaining Citrus in the Face of Rising Food Prices

Daniel CooperEconomics, Florida Citrus Commission, Florida Department of Citrus

The Florida Department of Citrus (FDOC) Consumer Orange Juice Tracker shows that consumers are increasingly reporting changes in their food shopping behaviors in response to rising food prices. From 2018 to 2024, the percentage of consumers who reported no change in their shopping behaviors has consistently decreased, dropping from 21% in 2018 to an estimated 18% in 2024. In contrast, …

growers

CITRUS NURSERY SOURCE: What Florida Citrus Growers Are Talking About

Daniel CooperCitrus Nursery Source

By Peter Chaires When June rolls around, the last of the oranges are generally coming in and it’s time to reassess what worked and identify areas for improvement. Research-based entities are making every effort to steer dollars to where they will have the most immediate impact. The name of the game right now is capacity preservation. We must do what …

science

Supporting Citrus Science

Daniel CooperResearch

By Rob Gilbert, ragilber@ufl.edu, @IFAS_VP Let’s start with the most important thing. Citrus science remains a top priority of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Citrus is special. My goal for citrus is sustainability. That means profitability. Here are a few new ways UF/IFAS has demonstrated its support for citrus science during the past five …

postharvest

Ways to Cut Postharvest Waste

Daniel CooperInternational, Research

Citrus farming worldwidedelivers an annual 140 million tons of oranges, tangerines and other citrus fruits, but much of the postharvest crop is lost before it reaches the market. “Up to 30% of citrus fruit is lost to decay and disease following harvesting,” says food scientist Yang Shan, a member of the Chinese Academy of Engineering and head of the Dongting …

applications

Moving Beyond Greening

Daniel CooperCitrus Greening, Economics

By Tom Spreen When citrus greening was first discovered in Florida, it did not have a profound impact on production. The big news at that time was the multiple hurricanes that had crossed Florida in 2004 and 2005. The hurricanes served to spread citrus canker so sufficiently that the state of Florida was forced to abandon its efforts to eradicate …

Georgia

Making the Most of Georgia Satsumas

Daniel CooperGeorgia, Mandarins

“The satsuma mandarin industry in Georgia is currently experiencing tremendous growth and economic success, but it also faces many challenges.” That quote from the recent University of Georgia (UGA) Extension publication, Maximizing the Value of Georgia-Grown Satsumas Through Food Innovation, summarizes the state’s citrus industry that is composed primarily of satsuma mandarins. TOO MUCH FRESH FRUIT? The publication by Emma …

hurricane

Standing Up Against Hurricanes

Daniel Cooperhurricane, Research, Rootstocks

By Ute Albrecht, Bo Meyering, Carol Tardivo, Gabriel Pugina and Kim D. Bowman The approaching hurricane season poses the question of why strong winds cause some citrus trees to topple over while others remain firm in the ground. Grove location, grove topography and soil type are factors that influence a tree’s ability to withstand tropical-force winds. The tree’s root structure …

hlb

HLB Control in Brazil and Florida Compared

Daniel CooperBrazil, Florida, HLB Management

A recent issue of the Annual Review of Phytopathology contains the article, “Management of huanglongbing of citrus: Lessons from São Paulo and Florida.” It discusses the lessons in HLB management, comparing what was done in orchards in Brazil’s state of São Paulo and in Florida. It also highlights the measures that worked and failed from the perspective of controlling the …

nematodes

Sting Nematodes in the HLB Era

Daniel CooperPests

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break seminar in mid-May. Topics included management of nematodes, results of trunk-injection therapies and the use of cover crops in citrus. Larry Duncan, a UF/IFAS professor of nematology, presented research findings on the impact of sting nematodes in citrus. He provided …

citrus

All In For Citrus Podcast, May 2024

Daniel CooperAll In For Citrus Podcast

Late spring and early summer are busy times for University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus scientists. They are out in the field preparing new research projects for the coming season and assessing data from ongoing projects. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, discusses some of that work during the May …

Sweet Orange Scab

California Sweet Orange Scab Quarantine Area Expanded

Daniel CooperCalifornia Corner, Diseases, Regulation

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) is expanding the quarantine area in California for Elsinoë australis, the fungal causal agent of sweet orange scab (SOS). The expansion aligns with the state interior quarantine that the California Department of Agriculture (CDFA) implemented Oct. 1, 2023. SOS infection causes scab pustules that give fruit a corky …

annual meeting

CITRUS NURSERY SOURCE: Georgia Citrus Association Annual Meeting Focused on HLB and More

Daniel CooperCitrus Nursery Source, Events, Georgia

By Peter Chaires The Georgia Citrus Association held its seventh annual meeting on Feb. 27 at the University of Georgia (UGA) campus in Tifton. As usual, the event was well organized and well attended. The agenda included topics such as: It was a value-packed day. HLB RECOMMENDATIONS Roger Smith of TreeSource Citrus Nursery in Woodlake, California, traveled quite a distance …

finger limes

Cultural Practices for Finger Limes

Daniel CooperEvents, Limes

At a recent finger lime field day, horticulturist Tripti Vashisth reported that most citrus rootstocks do well with finger limes. She said that Volkamer lemon and X-639 create the most vigorous trees, and that they and US-812 seem to be promising rootstocks for finger limes. Vashisth is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor …

panel

Panel Discussions Highlight Florida Citrus Show Seminars

Daniel CooperBreeding, HLB Management

A pair of panel discussions during the citrus seminars at the Florida Citrus Show gave growers the opportunity to engage with experts on top-of-mind topics. BREEDER RECOMMENDATIONS The citrus seminar program started with a discussion among citrus breeders moderated by Flavia Zambon, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor at the Indian River Research and …

diaprepes

Where to Watch for Diaprepes Root Weevil

Daniel CooperPests, Tip of the Week

By Larry Duncan Prior to the introduction of citrus greening disease in Florida, certain conventions applied to the occurrence and impact of diaprepes root weevil in groves across the state. The abundance and damage potential of this major pest were greatest in some Flatwoods habitats, such as parts of the inland East Coast where newly planted trees sustained major damage. …

field day

Finger Lime Field Day Draws Mostly Non-Citrus Crowd

Daniel CooperEvents, Limes

Only a few Florida commercial citrus growers were on hand for an April 24 finger lime field day at the Citrus Research and Education Center (CREC) in Lake Alfred. Most of the more than 40 attendees did not own citrus groves, and about half were women — definitely not the standard crowd for a CREC event. Those in attendance had …

summer

Covering the Basics of Summer Cover Crops

Daniel CooperCover Crops, Tip of the Week

By Sarah Strauss The recent rising temperatures are a reminder that summer is approaching, and the beginning of the rainy season is a great time to start planting cover crops. If you are looking for a method to invest in your soil health, cover crops are one option. By definition, cover crops are planted to improve soil health and are …