CUPS Heat and Cold Considerations


Growers producing fresh fruit inside the relatively new citrus under protective screen (CUPS) structures in Florida have some unique heat and cold considerations. Chris Oswalt, citrus Extension agent for Polk and Hillsborough counties, spoke on this subject at a recent CUPS field day in Alturas, Florida. “Based on some of the early data that we have from the weather stations … Read More

Citrus Nutrition Day to Include Field Tours


This year’s Citrus Nutrition Day — at which growers will learn the latest data about growing the fruit, from the soil up through the plants — is expanding to include tours of field trials. After a morning of updates from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers, participants may tour field sites at the Peace River … Read More

Kaolin Clay May Be Viable Option to Protect Citrus Trees from ACP

Florida citrus growers have begun taking notice of kaolin clay, a powdery white compound, because it can cause Asian citrus psyllids (ACP) to “not take notice” of their groves. Long used to protect other fruit and vegetable crops, kaolin can also conceal citrus trees from hungry psyllids by confusing their visual sensory system, said Michael Rogers, director of the Citrus … Read More

Vigilance Keeps HLB at Bay

By Len Wilcox California agriculture has long kept a watchful eye on the spread of HLB (huanglongbing or citrus greening disease). It’s a firestorm on the horizon, and the devastation the disease has wrought in Florida and other parts of the world has the full attention of California citrus growers. Working closely with industry leaders and grower groups, federal, state … Read More

High-Density Plantings Could Boost Profits for Florida Citrus Growers


Florida citrus growers who plan to establish new groves might want to consider high-density planting, according to experts with the Citrus Research and Education Center (CREC) in Lake Alfred, part of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Wider spacing between trees and rows was common decades ago but, with yields down and input costs up, … Read More

UF/IFAS Event Combines Latest Citrus Varieties with New Breeding Research


On Dec. 4 at the Citrus Research and Education Center (CREC), citrus growers can see if they want to grow the latest varieties from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) breeders and then learn more about commercializing crops. In the morning, industry members can sample the latest citrus varieties from UF/IFAS breeders. “These are new varieties … Read More

Sneak Peek: December 2018 Citrus Industry Magazine

Looking for the phone number of your local citrus association? Need to connect with a fertilizer vendor? Or perhaps you want to send an email to your Extension agent? Find all of the industry contact information you need in the 2019 Citrus Guide. Citrus Industry magazine’s annual guide is a directory of citrus organizations, agencies, researchers, Extension agents and vendors. … Read More

Florida Citrus Mutual Welcomes Joyner

Florida Citrus Mutual is pleased to announce and welcome Matt Joyner as its new director of government relations. In this role, he will work on behalf of Mutual’s grower members and staff in Tallahassee and Washington, D.C. Joyner previously served as deputy chief of staff for the Florida Department of Agriculture and Consumer Services under Commissioner Adam Putnam, where he … Read More

Soil Microbial Communities for Citrus

University of Florida Institute of Food and Agricultural Sciences soil microbiologist Sarah Strauss discusses her research on ways to potentially use microbes to improve tree root health. She says microbial communities in the soil can be manipulated indirectly by changing the soil environment or directly by adding specific organisms to the soil. “We’ve seen impacts on the overall soil microbial … Read More

Research Update: Citrus Under Protective Screen

By Arnold Schumann, Timothy Ebert, Laura Waldo, Danny Holmes, Napoleon Mariner, Gary Test, Chris Oswalt, Rhuanito Ferrarezi and Ricardo Lesmes Two studies with citrus under protective screen (CUPS) were established at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) and Indian River Research and Education Center (IRREC) in 2013–14. The goal … Read More

Crop Insurance: ‘We’ve Got a Long Way to Go’

crop insurance

Grower Christian Spinoza of Dudley Putnam, Inc. was among about 30 people who heard proposed federal crop insurance changes at a recent “listening session” in Bartow, Florida. He shared some of his thoughts. “We’ve got to have some kind of change to our crop insurance, but we’ve got to make sure it’s the right change … one we’re not going … Read More

Fried Attends Lunch Meeting with Ag Leaders

At a lunch meeting in Tallahassee, Florida, with representatives of many of the state’s agricultural organizations, Florida Agriculture Commissioner-Elect Nikki Fried told the group she plans to be a “champion for this industry” in her new role. Several major issues facing Florida agriculture were discussed during the lunch meeting, which was the first meeting of its kind with Fried since … Read More

PIECES OF THE PAST: “Orange” We Blessed!

By Brenda Eubanks Burnette This year, before Halloween was even over I was seeing Christmas decorations. It made me wonder: What happened to Thanksgiving? We used to send Happy Thanksgiving cards and plan big family reunions over Thanksgiving meals with tables loaded with recipes handed down over the years. Now it seems more like an afterthought and “Let’s get our … Read More

Cold-Protection Practices for Citrus

Chris Oswalt, University of Florida Institute of Food and Agricultural Sciences citrus Extension agent for Polk and Hillsborough counties, discusses passive and active cold-protection practices for citrus trees. “Passive practices are those things that growers would intentionally do before typically planting the grove,” Oswalt says. Site selection, including planting on higher elevations that are warmer than lower cold-pocket locations, is … Read More

Increasing Yield Through High-Density Plantings

By Rhuanito Ferrarezi, Alan Wright and Arnold Schumann High-density plantings have been tested worldwide in advanced citrus production systems (ACPS) to increase efficiency of water, fertilizer and light, and to maximize yield per area. After the onset of huanglongbing (HLB) in Florida, canopy growth reduced drastically due to negative impacts on plant health, creating the need for new plant spacing … Read More

Mulch Brings Invasive Plant to Highlands Grove

An invasive plant, Chinese crown orchid, was recently found in a Highlands County citrus grove, Laurie Hurner reported. Hurner, Highlands County Extension director and citrus Extension agent, said the orchid got into the grove via mulch. “Some growers are using mulch around young trees to add a little more organic matter to our more sandy soils,” Hurner explains. “Other growers are … Read More

Grower Optimistic About Citrus Under Protective Screen


Jerry Mixon of KLM Farms hosted about 40 growers, researchers and others at his citrus under protective screen (CUPS) facility in Alturas on Nov. 15. Alturas is between Bartow and Lake Wales in Polk County, Florida. At the field day, Mixon discussed his experience with the growing system and his expectations for it. He has 30 acres under screen that … Read More

Visalia ACP Find Was a Breeding Population


The Asian citrus psyllids (ACP) found last week in a residential area in north Visalia, California, were a breeding population, according to Greg Douhan, University of California Cooperative Extension farm advisor for citrus. The ACP were found in four locations in the city, not in close proximity to any agricultural operations. “Most of the findings found in the San Joaquin Valley … Read More

Orange Imports Increase as Domestic Juice Supply Remains Squeezed

Until a solution for citrus greening is found, imports will be key to keeping Florida’s citrus industry afloat. Domestic orange production has been declining steadily over the last two decades, with citrus greening disease being the leading cause of decreased acres and productivity. As the gap between domestic production and consumption has widened, imports have increased to boost dwindling domestic … Read More

Numerous ACP Found Near Visalia, California

citrus greening

A large population of Asian citrus psyllids (ACP) and nymphs were found in an older residential area northwest of Visalia, California, last week. With multiple life stages of ACP found, county and state officials have moved into eradication mode immediately. According to the Visalia Times-Delta, 250 ACP were found in four locations. California Citrus Mutual reported that up to 400 … Read More