Crop Transformation Center

Crop Transformation Center in Full Swing

Daniel CooperBreeding, HLB Management

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP About 18 months ago, Matt Joyner, Kyle Story, Morgan McKenna Porter, Emery Smith and other Florida citrus leaders visited me in Gainesville. Together, we shaped an idea to accelerate our search for solutions to HLB. The idea is already reality. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Crop Transformation Center …

Degreening

Seeking Better Degreening Methods for Fresh Citrus

Daniel CooperFresh, Research

Two University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) scientists reported on research into more effective and environmentally friendly degreening methods for fresh citrus. They are Muhammad Shahid and Muhammad Nadeem, assistant professor of horticulture and postdoc scholar, respectively, at the UF/IFAS North Florida Research and Education Center (NFREC). Edited excerpts follow: Some varieties of citrus fruit, even …

Texas citrus

Texas Citrus Industry Assessing Freeze Damage

Daniel Cooperfreeze, Texas

By Maegan Beatty  Across the United States, farmers have faced freezing temperatures, snowstorms and unpredictable conditions this winter. Texas citrus growers are among those evaluating the effects of the most recent temperature drop.   “In regard to growers experiencing damage, we are still assessing,” said Dale Murden, president of Texas Citrus Mutual. “It’s too early to tell overall, but we will …

temperature inversion

Temperature Inversion: Not a Friend of Pesticide Applicators

Daniel CooperCEU, Pesticides

By Wael Elwakil Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. Temperature inversion is a weather phenomenon that alters the natural air movement in the lower layer of the atmosphere (troposphere). …

oxytetracycline

Lessons From Oxytetracycline Injection Trials

Daniel CooperHLB Management

By Ute Albrecht, Carol Tardivo, Gabriel Pugina, Larissa Nunes, Jasmine de Freitas and Gerardo Moreno Since the approval of oxytetracycline (OTC) injection to manage citrus greening (huanglongbing, HLB) in Florida, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant physiology team at the Southwest Florida Research and Education Center (SWFREC) has completed various research trials with multiple …

CRDF

CRDF Approves Funding for Key Research Projects

Daniel CooperCRDF, Research

Rick Dantzler, Citrus Research and Development Foundation (CRDF) chief operating officer, reported that the foundation’s January board of directors meeting was a productive one that resulted in the approval of several key citrus research projects. “We had a great meeting. The board approved funding to use a strain of Bacillus thuringiensis (Bt) to kill the progeny of psyllids,” Dantzler said. …

herbicide tolerance

Strategies for Managing Herbicide Tolerance

Daniel CooperTip of the Week, weeds

By Ramdas Kanissery Tackling herbicide tolerance in weeds is a critical aspect of effective weed control in citrus groves. It helps prevent both current and future weed management challenges. Herbicide tolerance occurs when certain weed species naturally survive and reproduce after herbicide treatment. Unlike herbicide resistance, where genetic changes allow weeds to survive and spread, herbicide tolerance doesn’t involve any …

grapefruit production

Grapefruit Production in South Africa

Daniel CooperCrop Forecast, Grapefruit, International

South African grapefruit production is expected to rise slightly in 2024–25. The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) is forecasting a 1% increase from the prior year to 425,000 metric tons (MT). PLANTINGS Grapefruit acreage in South Africa has been shrinking since 2020–21, reflecting a downward trend in global consumption. The area planted in 2024–25 will likely …

soil health

Assessing Tools for Citrus Soil Health

Daniel CooperCover Crops, Soil Health

Soil microbiologist Sarah Strauss on Jan. 28 discussed the benefits, challenges and unknowns of cover crops, compost and humic acid for citrus soil health. Strauss is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor at the Southwest Florida Research and Education Center. She pointed out that Florida’s citrus soils are problematic because they are 98% …

usda

USDA Funds Citrus Projects

Daniel CooperDiseases, Pests, Research

The U.S. Department of Agriculture (USDA) announced an investment of more than $70 million in the Plant Protection Act program. This includes funding of 357 projects in fiscal year 2025. The work will strengthen the country’s defenses against plant pests and diseases, safeguard the U.S. nursery system, and enhance pest detection and mitigation efforts. Part of the funding is going …

February

All In For Citrus Podcast, January 2025

Tacy CalliesAll In For Citrus Podcast, Research

Recently, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) reported research on the development of a new type of citrus tree that can fight off the HLB-spreading Asian citrus psyllid (ACP). The genetically modified tree has only been tested in the lab and the greenhouse, but the research looks promising. The approach involves inserting a gene into …

Sneak Peek: February 2025 Citrus Industry

Tacy CalliesSneak Peek

The citrus section in the February issue of Specialty Crop Grower is coming soon. It’s full of features for growers to dive into. First up is part two of results from the Florida Citrus State of the Industry Survey. (See part one here.) Learn out what percent of growers say they are replanting and how many are participating in the …

Protect Trees Post-Freeze With Fungicide

Tacy CalliesCold Hardy, Diseases, freeze

Growers in the cold-hardy citrus region should consider fungicide application following snow last week and multiple days of running irrigation for freeze irrigation. That advice comes from Lindy Savelle, executive director of the Georgia Citrus Association, on the heels of historic snowfall recorded across the Southeast. “I’ve heard some people having up to 10 inches of snow where we grow …

Agriculture and a New Administration

Daniel CooperEvents, FCS24, Florida Citrus Show

The new year is off and running at a brisk pace. The Trump administration came to office with a large agenda and has begun to put it into action. With a new administration at the helm, now is a good time to assess how policies and economics could affect agriculture. Danny Munch will be speaking at this year’s Florida Citrus …

nutrient management

Rejuvenate HLB Trees With Precision Nutrient Management

Daniel CooperNutrition, Tip of the Week

By Meryam Manzoor, Jamie D. Burrow, Taylor Livingston and Tripti Vashisth Effective nutrient management and accurate nutritional analysis are critical for tree growth and maximum yield. Historically, nutrient management for healthy citrus trees involved annual leaf sampling from July to August, with subsequent fertilization plans based on a single nutrient analysis. Almost all commercial citrus groves in Florida are affected …

Citrus Nutrition Day

Key Takeaways From Citrus Nutrition Day

Daniel CooperEvents, Nutrition

After being postponed this fall due to Hurricane Milton, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted its annual Citrus Nutrition Day on Jan. 22 at the Citrus Research and Education Center (CREC) in Lake Alfred. The event was well attended and featured several presentations aimed at optimizing citrus nutrition programs in the HLB era. UF/IFAS …

Sweet Orange Scab

Sweet Orange Scab Quarantined Area Expanded

Daniel CooperCalifornia Corner, Diseases, Regulation

Effective immediately, the U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS), in cooperation with the California Department of Food and Agriculture (CDFA), is expanding the sweet orange scab quarantine in the Santa Ana area of Orange County in California. APHIS is expanding this quarantined area by 32 square miles because of a sweet orange scab detection in …

Joyner

Joyner Honored With UF Distinguished Alumnus Award

Daniel CooperAwards

The University of Florida honored College of Agricultural and Life Sciences (CALS) alumnus Michael Joyner (Bachelor of Science, 1986) with the Distinguished Alumnus Award. He was recognized for his outstanding contributions to the agriculture industry and his dedication to serving the university. Throughout his career, Joyner has made a lasting impact on the lives of agriculturists, shaping policies and initiatives …

snow

Snow and Sub-Freezing Temperatures Hit Cold-Hardy Citrus

Daniel CooperCold Hardy, freeze

Citrus in the cold-hardy region of South Georgia, South Alabama and North Florida encountered below-freezing temperatures and historic snowfall all week. Growers are now taking stock of their groves, surveying damage and preparing for what to do next, which includes managing phytophthora. “Most all of the crop was in, so there was very little exposure there. There’s a little bit …

Citrus Achievement Award

Citrus Achievement Award Celebrates 25 Years

Daniel CooperAwards

For a quarter of a century, the Citrus Achievement Award has grown into the gold standard of industry recognition for those who have made and continue to make a significant impact within and even beyond the Florida citrus community. The Citrus Achievement Award is presented to an individual grower, allied member, legislator, researcher or anyone else who stands out through …