Pruning Principles for High-Quality Citrus

Tacy CalliesPruning

Planting citrus varieties for fresh market production has increased in popularity. With these potentially high-value crops come concerns about management practices, including pruning. Recently, Fernando Alferez informed growers in a virtual presentation about manual pruning principles. Alferez is a University of Florida Institute of Food and Agricultural Sciences citrus horticulturist at the Southwest Florida Research and Education Center. According to … Read More

PIECES OF THE PAST: Thanksgiving Joys

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette I just found several old Thanksgiving postcards with citrus themes that are quite beautiful. They are from an era when postage was a penny, and people sent postcards to friends and family on holidays. With everything going on in our world today, the postcards reminded me of the importance in reflecting on what’s good in our … Read More

Remedy to EU Grapefruit Tariffs Sought

Ernie NeffTrade

The European Union (EU) recently imposed approximately $4 billion in tariffs on U.S. grapefruit and other agricultural products. The tariffs, authorized by the World Trade Organization, are punishment for U.S. subsidies for the Boeing Company.   “Once again U.S. agriculture is caught in the crossfire of a dispute that is not of our making and we are used as leverage … Read More

All In For Citrus Podcast, November 2020

Taylor HillmanAll In For Citrus Podcast, Sponsored Content

The November episode of the All In For Citrus podcast covers a multitude of grant-funded research that the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus team both leads and collaborates on. Citrus Research and Education Center Director Michael Rogers begins the podcast with a discussion on research projects UF/IFAS scientists are playing critical roles in collaborative … Read More

Field-Tested Peptide Treats Citrus Greening

Tacy CalliesCitrus Greening

florida all

Elemental Enzymes, a St. Louis biotechnology firm, has obtained a patent for a natural peptide solution to treat citrus greening disease. The peptide solution, Vismax, is readying for commercialization and is expected to reach the market by 2022. Vismax has been developed and extensively field tested, says Brian Thompson, CEO of Elemental Enzymes. Thompson gave a presentation on Nov. 18 … Read More

Citrus Growers Tell What Technology They Use

Ernie NeffTechnology

Figure 2. A drone may be used to deliver spot treatments.

Representatives of two Florida citrus-growing operations recently shared ways their companies have utilized drones, electronic sensors and advanced spray technology to enhance their operations. Joby Sherrod, director of grove operations for Duda & Sons, and Timothee Sallin, co-CEO of IMG Enterprises, were participants in a virtual Florida-Israel Agriculture Innovation Summit. Duda and IMG have approximately 11,000 acres and 10,000 acres … Read More

Citrus Alcohol Market to Grow

Ernie NeffMarket

Global demand for the citrus alcohol market is set to hover at approximately a 5 percent growth rate, as increasing preference for craft beer and rising alcohol consumption create fertile ground, according to a recent study. The study looked at citrus alcohol growth in more than 20 countries. “Citrus, owing to its flavor and strong acidity, has become an integral … Read More

SWFREC Recognizes Growers During Farm-City Week

Ernie NeffAgriculture

Nov. 18-25 is National Farm-City Week, a time to recognize and honor the contributions of the country’s agriculturalists and to strengthen the bond between urban and rural citizens. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center (SWFREC) took the opportunity to recognize the agriculturists in its area. Some of its statements … Read More

Cold Acclimation and Freeze Protection for Florida Citrus

Tacy CalliesFreeze Protection

By Chris Oswalt and Davie Kadyampakeni In preparation for winter in Florida, citrus growers must first understand some essential concepts related to protecting citrus from freezing temperatures. Specifically, growers need to know when and how to protect citrus trees from freeze damage. WHEN TO PROTECT When (i.e., at what critical temperature) will damage begin to occur? This temperature is dependent on … Read More

Worker Safety Resources Available in Spanish

Ernie NeffEducation

Free online resources from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension put safety in the hands of Spanish-speaking agricultural workers and pesticide handlers. The Extension Farm Labor Education programs are part of UF/IFAS Extension Online Learning. For the first time, the Worker Protection Standard Train the Trainer (WPS TTT) certification course is available online in … Read More

Citrus Growers Honored for Conservation

Ernie NeffAwards, Environment

Two citrus growers are among 22 farmers and ranchers recently honored by the Florida Farm Bureau Federation (FFBF) in recognition of their superior natural resource conservation efforts. They are Travis Miller of DeSoto Grove in DeSoto County and Marlon Pendergrass of The Groves of Peace River in Hardee County. Each received the Farm Bureau’s County Alliance for Responsible Environmental Stewardship … Read More

Marketing: What Citrus Can Learn From Avocados

Tacy CalliesMarketing

field hearings

Sales of avocados in the U.S. market have become one of the biggest produce success stories in the past two decades. During the recent Global Citrus Congress Live webinar event, John McGuigan, director of industry affairs for the Hass Avocado Board, presented a case study on how a mandatory sales levy has funded marketing programs and nutritional research that helped … Read More

Scout IPCs for Pests

Tacy CalliesPests


By Jawwad Qureshi Young citrus trees produce shoots with feather-stage leaves more frequently, making them highly attractive to the Asian citrus psyllid (ACP). This pest requires young shoots with feather-stage leaves to develop and reproduce. ACP is the pathogen’s primary vector responsible for causing huanglongbing (HLB) disease. Plant infection with HLB at an early age makes it challenging to bring … Read More

Korea Is the Top Market for U.S. Oranges

Ernie NeffTrade

Korea is the United States’ top export market for oranges and the third largest market for lemons and grapefruit, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) recently reported. Oranges, lemons and grapefruit account for 99 percent of the country’s total citrus imports. More information from USDA/FAS about the Korean market follows: Citrus imports by Korea dropped in 2019 … Read More

Spotting the Symptoms of Citrus Black Spot

Ernie NeffDiseases

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension recently provided the following information about identification of citrus black spot (CBS): Fruit symptoms can be observed around this time of year with the onset of color break and fruit maturity. Growers and agricultural workers should learn to identify the symptoms of CBS even if they are not located … Read More

Adjuvants Did Not Improve Delivery of Foliar-Applied Oxytetracycline

Tacy CalliesCitrus Expo

In 2016, federal authorities began allowing Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. Since then, researchers have been investigating oxytetracycline delivery methods. In a Citrus Expo presentation, Christopher Vincent, assistant professor of horticultural sciences at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, shared … Read More

Florida Citrus Packers: South Africa Imports Pose Risk

Ernie NeffExport/Import

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA/APHIS) announced it is authorizing the importation of cold-treated fresh citrus from South Africa into all U.S. ports of entry. Previously, APHIS restricted the entry of cold-treated citrus fruit from South Africa to four U.S. ports that have cold-treatment facilities. APHIS scientists determined that citrus fruit from South Africa, … Read More

Harnessing the Power of Soil Microbes

Tacy CalliesSoil Improvement

Although often ignored due to their intangible nature, microorganisms play significant roles in agriculture. The natural microbial processes allow for long-lasting interactions between nutrients, plants and soils. Masanori Fujimoto, assistant professor at the University of Florida, is leading a research and education project titled “Harnessing Microbes for Sustainable Food Production.” The project is funded by the U.S. Department of Agriculture’s … Read More

Controls for Sting Nematodes

Ernie NeffPests

Larry Duncan provides updates on the damage done by sting nematodes and research into controlling them with nematicides and perennial peanut as a cover crop. Duncan is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) nematologist at the Citrus Research and Education Center. Sting nematodes have become a “real issue” for Florida growers in the past five … Read More

Bournique Reappointed to Water Board

Ernie NeffWater


Florida Gov. Ron DeSantis has reappointed Indian River Citrus League (IRCL) Executive Vice President Doug Bournique to a fourth, four-year term on the St. Johns River Water Management District (SJRWMD) Governing Board. Bournique was first appointed to the SJRWMD board in 2008 by then-Gov. Charlie Crist. He was re-appointed by Gov. Rick Scott. Throughout his service on the board, Bournique … Read More