The Past and Potential of Parson Brown

Tacy CalliesVarieties

By Gary K. England and Manjul Dutt The Parson Brown is an early-season sweet orange that was identified in 1875 by J.L. Carney and named the Carney Parson Brown (CPB). In a 1923 article titled ‘History of the Parson Brown Orange,’ E.L. Carney described how his brother Capt. J.L. Carney sought a sweet orange of acceptable quality for budding onto … Read More

Phytophthora Root Rot a Concern in Georgia Citrus

Tacy CalliesDiseases

A saturated summer across the Southeast means more potential for development of phytophthora root rot disease in citrus trees. The impact on Georgia’s young trees could be devastating, says Jonathan Oliver, University of Georgia assistant professor and small fruits pathologist. Oliver implores Georgia’s citrus producers to stay vigilant with their fungicide sprays, as the wet conditions have not let up. … Read More

CRDF Update: Maximizing Funds and Testing Tree Injection

Tacy CalliesCRDF

The Citrus Research and Development Foundation (CRDF) board of directors met on Sept. 28. Rick Dantzler, CRDF chief operating officer, shared highlights from the meeting. “The primary action was the endorsement of the idea to pull together a group of plant breeders from across the country to help us decide where to invest our funding in plant improvement,” said Dantzler. … Read More

Growers Uncertain About BMPs

Ernie NeffBMPs


Citrus growers are adopting best management practices (BMPs), but there is some uncertainty about how the practices affect yields and profitability. That was the summary of a grower survey about BMPs conducted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). A presentation highlighting the survey results was available at the UF/IFAS booth during Citrus Expo in … Read More

PIECES OF THE PAST: Tiller of the Soil

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette I recently came across this poem in a 1930s book titled “Citrus Growing in Florida” by the Florida Department of Agriculture in a chapter on cover crops: “Would’st have abundant crops reward thy toilAnd fill thy barns, O tiller of the soil?Then ever keep in mind this maxim true,Feed well the land and ’twill in turn … Read More

Making Sense of Biologicals: Seaweed for Citrus Stress Management

Tacy CalliesMSOB

Florida provides an environment conducive to producing a variety of crops 365 days a year. It has beautiful sunshine, an ideal climate and ample rainfall for most of the year. These conditions allow Florida growers to produce some of the best citrus in the world. But Florida citrus is not immune to the harsh realities that can come with growing … Read More

FFVA Emerging Leaders Class Named

Ernie NeffEducation

The Florida Fruit & Vegetable Association (FFVA) recently announced the selection of 15 up-and-coming agriculture industry leaders for Class 11 of its Emerging Leader Development Program.  Class 11 members are: Miles Armstrong, TradeMark Nitrogen, Tampa Jackson Autry, Everglades Equipment, Belle Glade Ben Backus, DLF Packing, Fort Pierce Matt Bardin, Glades Crop Care Inc., Jupiter Gracelyn Byrd, U.S. Sugar, Moore Haven … Read More

New UF/IFAS Extension Agent for Highlands County

Ernie Neffextension

Lourdes Pérez Cordero is the new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension agent for Highlands County. She did not grow up in the citrus industry, but you wouldn’t know that upon meeting her. Pérez, who recently started her new job, is eager and enthusiastic to engage with local citrus and vegetable growers and connect them to … Read More

Sneak Peek: October 2021 Citrus Industry

Tacy CalliesSneak Peek

Citrus growers need both quantity and quality for a successful crop. As HLB continues to negatively impact both these factors, growers are seeking strategies to safeguard their fruit. The October issue of Citrus Industry magazine presents ideas for enhancing fruit quality and quantity.   University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Tripti Vashisth and Christopher Vincent … Read More

Free ACP Scouting Service

Tacy CalliesCalifornia Corner, Psyllids

Through a grant from the U.S. Department of Agriculture (USDA), California and Texas citrus growers can apply for the use of detection dogs to survey their groves for Asian citrus psyllid (ACP). The ACP-hunting canine scouts are highly trained and have shown to be more than 90% accurate when tested in various environments. The information obtained from the scouting can … Read More

HLB: The Problem for Processors

Ernie NeffProcessing

Many stories have been written about the woes HLB disease has caused Florida’s citrus growers; fewer have been written about the problems HLB causes Florida citrus processors. Kristen Carlson presented the processors’ side of the story during the recent International Citrus & Beverage Conference hosted by the University of Florida Institute of Food and Agricultural Sciences. Carlson is executive director … Read More

The Fate of Phosphorus in Florida Citrus Soils

Ernie NeffNutrition, soil

Multi-county citrus Extension agent Chris Oswalt discussed the fate of phosphorus in Florida citrus soils in the September Extension newsletter, Citrus from the Ridge to the Valley. Excerpts from his article follow. The amount of phosphorus in soil is closely related to the potential availability of this phosphorus to plants … Potentially available soil forms of phosphorus are dependent on … Read More

Florida Break-Even Yields and Prices

Tacy CalliesEconomics, Tip of the Week

By Ariel Singerman For processed oranges grown in Southwest Florida during 2020–21, the estimated cultural costs were $1,508 per acre. Total costs of production were $1,882 per acre. Those estimates are down $214 per acre compared to the previous season. This is the result of growers reducing costs across all grove programs, except for fungicides and irrigation. Such a cutback … Read More

Stepping Up Phosphorus Sustainability

Ernie NeffEnvironment, Nutrition

Two University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers have joined a national research effort to promote phosphorus sustainability across the United States. The researchers will work under the funding auspices of the National Science Foundation’s Science and Technology Center in the newly established Science and Technologies for Phosphorus Sustainability (STEPS). In addition to the University of … Read More

Citrus Juice Sales Update

Ernie NeffOrange Juice

Retail sales of orange juice (OJ) trended at pre-2019 levels throughout the 2020-21 season. And for the latest four-week period ending Sept. 11, OJ trended at pre-2017 levels. Economist Marisa Zansler recently presented this information to the Florida Citrus Commission (FCC). Zansler is director of economic and market research for the Florida Department of Citrus, which the FCC governs. Fueled … Read More

Regular Leaf Nutrient Analysis Improves HLB-Affected Trees

Tacy CalliesNutrition

By Tripti Vashisth and Davie Kadyampakeni Nutrition management is complex! Multiple factors affect the nutrient uptake and availability in trees. For example, high soil pH can limit the uptake of soil-applied micronutrients such as zinc (Zn) and manganese (Mn). Oxide forms of nutrients might be less available than nitrate or sulfur forms. Moreover, the time and method of nutrient application … Read More

Cover Crops Can Benefit Citrus

Ernie NeffCover Crops

Cover crops, which are not planted for harvest and sale, offer numerous potential benefits to Florida citrus growers. The benefits and additional information were addressed in a presentation offered at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) booth at Citrus Expo in August. The crops can improve the physical, chemical and biological properties of the soil. … Read More

Brown Rot Management Advice

Ernie NeffDiseases

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county citrus Extension agent Ajia Paolillo discussed brown rot management in the September Extension newsletter, Citrus from the Ridge to the Valley. Her article follows. As we move into September, it is essential to remember that brown rot can impact yield, especially early varieties. Brown rot is caused by either … Read More

Production Dips in All Citrus States

Ernie NeffProduction

Citrus production in the 2020-21 season dipped in California, Florida, Texas and Arizona compared to the previous season. The U.S. Department of Agriculture’s National Agricultural Statistics Service (USDA/NASS) recently reported that total U.S. output of 6.9 million tons of citrus was down 12% from 2019-20. CALIFORNIATotal utilized production in California was down 3% in 2020-21. Orange production was off 7%, … Read More

UGA Lab Offers Free Testing for Citrus Greening

Tacy CalliesGeorgia

The University of Georgia (UGA) Plant Molecular Diagnostic Lab is a key resource for Georgia citrus growers hoping to stay sustainable. While it is a fee-based service lab for the UGA Department of Plant Pathology, it provides free testing for citrus producers concerned about citrus greening, says Jonathan Oliver, UGA assistant professor and small fruits pathologist. “The diagnostic lab here … Read More