Growers Benefit From Citrus Nutrition Box Program

Ashley RobinsonNutrition


Florida growers participating in the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus nutrition box program have found great value in the program. Now in its second year of operation, the program provides free soil and leaf testing as well as tailored quarterly nutritional counseling. These free boxes of materials and instructions are distributed to registered growers … Read More

CRAFT Leadership to Change

Ernie NeffResearch

There will soon be leadership changes at the Citrus Research and Field Trials (CRAFT) Foundation. Tamara Wood will succeed Kristen Carlson as executive director and program manager; she was previously assistant program manager. Tom Mitchell will succeed Glenn Beck as president. Wood will manage day-to-day operations. There are no plans to hire a new assistant program manager, but the board … Read More

Hesperidin and Good Health Linked

Ernie NeffFlorida Department of Citrus, Research

A new systematic review links hesperidin, a flavonoid found in oranges and 100% orange juice (OJ), to health benefits. However, more research is needed to further strengthen results.    The Florida Department of Citrus (FDOC)-funded review examined published studies relating to hesperidin in 100% OJ and its impact on several chronic conditions and other measurements. Those measurements included blood levels … Read More

Morocco Developing New Citrus Varieties

Ernie NeffInternational

The National Institute for Agricultural Research (INRA) in Morocco is developing new early- and late-season harvest varieties to support a prolonged production season, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) reported. This will allow producers to supply markets for longer periods of time and help Morocco remain competitive in international markets.   In May, INRA launched a call … Read More

EU Citrus Production on the Rise

Ernie NeffInternational

Citrus production in the European Union (EU) is expected to rise 10.4% in the 2020-21 season to 11.7 million metric tons, according to the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS). The FAS June report attributed the production increase to favorable weather conditions and rebound production mainly in Spain and Italy following a significant drop in 2019-20. “EU citrus … Read More


Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette We received a request for information several months ago from researcher/historian Jono Miller regarding an old production practice of leaving cabbage palms in citrus groves as “orange guards.” The trees helped protect groves from freezing due to the creation of a canopy to keep the heat from the land rising during cold weather. In his new … Read More

Making Sense of Biologicals: Improve Fruit Size and Quality

Tacy CalliesBiostimulants, MSOB

Citrus growers need as many tools in their toolbox as possible. With the Florida citrus industry decimated in recent years, mainly due to citrus greening disease, growers are exploring all options to help them succeed. CYAN 365®, a biostimulant from C Green Ag Biotechnology, is one tool that has proven to help enhance the quality and size of citrus crops, … Read More

Fruit Drop Is Biggest Grower Concern

Ernie NeffFruit Drop

Fruit drop “is probably the No. 1 concern” of the citrus growers he knows, says Ray Royce, executive director of Highlands County Citrus Growers Association (HCCGA). “Fruit drop and profitability are going hand in hand,” he adds. “There’s a tremendous struggle now to be profitable, given the relatively low harvest numbers,” Royce says. “I think growers believe that if they … Read More

Root Depth Isn’t What It Used To Be

Tacy CalliesRoot health

By Evan Johnson, Tanyaradzwa Chinyukwi, Lorenzo Rossi and Davie Kadyampakeni Huanglongbing’s (HLB) detrimental effect on roots has changed how we think about root health and horticultural management of citrus in Florida. As part of the work studying nutritional responses described in Effect of Nutrients on Canopy Response and Yield, we are studying the effects of macronutrient and micronutrient fertilization on … Read More

Study: Beverage Labels Confuse Parents

Ernie NeffFlorida Department of Citrus, Orange Juice, Research

Beverage labeling regulations appear to fall short of helping parents identify the ingredients of drinks they purchase for their children, a recent study published in Pediatric Obesity suggests. This has researchers calling for changes to labeling regulations to increase transparency and help consumers choose healthier beverages. The online study included more than 1,600 parents who had healthy 1- to 5-year-old … Read More

Understanding Physiological Fruit Drop of Citrus

Tacy CalliesFruit Drop, Tip of the Week

By Tripti Vashisth, Megan Dewdney and Lauren Diepenbrock Citrus flowers profusely, but less than 2% of the flowers become harvestable fruit. In other words, 98% of the flowers seen during bloom will end up on the grove floor at some point during fruit development, whether as a flower, fruitlet, young fruit or mature fruit. Profuse flowering allows trees to produce … Read More

FDOC Preliminary Budget Approved

Ernie NeffFlorida Department of Citrus

The Florida Citrus Commission (FCC) approved the Florida Department of Citrus’ (FDOC) preliminary operating budget of $29.12 million, an increase of $9.75 million from last season. The FCC serves as the governing board for the FDOC. Steve Johnson, FCC chairman, said the increased budget is largely due to the receipt of $17 million in general revenue funding from the state … Read More

Effect of Nutrients on Canopy Response and Yield

Tacy CalliesNutrition

By Davie Kadyampakeni, Tanyaradzwa Chinyukwi, Alan Wright and Rhuanito Ferrarezi The development of an efficient nutrition program for citrus trees provides the essential elements for optimum tree growth and yield. Tree performance is reduced when an essential element is deficient, while an excessive amount leads to plant toxicity and hinders overall tree performance. In citrus production, adequate fertilization rates help … Read More

Educational Opportunities for Growers

Ernie NeffCitrus Expo, Education

Michael Rogers discusses several educational opportunities for citrus growers, including the Citrus, Vegetable and Specialty Crop Expo and Citrus Packinghouse Day. Rogers is the director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC). The Expo (Aug. 18-19) and Packinghouse Day (Aug. 26) will be held in-person this year after taking … Read More

Mexfly Quarantine Area in Texas Reduced

Ernie NeffPests

Federal and state agriculture agencies on June 3 released portions of the Mexican fruit fly (Mexfly) quarantine in Cameron County, Texas. The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA/APHIS) and the Texas Department of Agriculture (TDA) took the action after three pest lifecycles elapsed with no additional detections in the areas released from quarantine. Releasing the … Read More

CRDF Sets Tax; Seeks Researcher Diversity

Ernie NeffCRDF

The Citrus Research and Development Foundation’s (CRDF) board of directors on June 22 approved a 3-cents-per-box tax on Florida growers’ fruit to help fund operations for the coming year. This was the sixth year in a row the CRDF tax has been at that rate. “We feel like we have to earn it (the tax) every year,” said CRDF Chief … Read More

Floridians Consider Farming Important

Ernie NeffSurvey

An overwhelming 98% of Floridians consider farming and ranching important, according to the findings of a survey recently conducted by the Tyson Group among registered voters statewide. “We’re humbled to see the overwhelming support from Florida voters for the hard work and commitment of our farmers,”  said Gene Adams, chair of the Florida Ag Coalition. “These survey findings indicate that … Read More

Uncle Matt’s Launches Ultimate Shots

Ernie NeffOrange Juice

Uncle Matt’s Organic recently announced the launch of its Ultimate Shots line. Ultimate Shots are intended to aid specific functions such as immune support, digestion and energy. The shots are now available online and will be rolling out to select retailers nationwide over the next few months. The Ultimate Shots come from 100% organically grown fruit. The juice is blended with … Read More

California Reports Two Citrus Pests

Ernie NeffPests

The Citrus Pest & Disease Prevention Program in California recently detected sweet orange scab (SOS) in new areas of the state. Additionally, an unofficial lime swallowtail butterfly (LSB) sample was identified from Los Angeles County, and several LSB sightings have been reported in Los Angeles and San Luis Obispo counties. SWEET ORANGE SCABSOS is a cosmetic fungal disease that impacts … Read More

Sneak Peek: July 2021 Citrus Industry

Tacy CalliesRootstocks, Sneak Peek, Varieties

Growers looking for advice on the subjects of rootstocks and varieties will find several pertinent articles in the July issue of Citrus Industry magazine. According to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeder Jude Grosser, Orie and Louise Lee (OLL) oranges are giving Valencias a run for their money. He discusses the beneficial characteristics of … Read More