Florida’s grapefruit industry, devastated by citrus greening, may find hope in four ½-acre white-mesh screenhouses in a research field in Fort Pierce. The project will be funded by a $3.5 million grant from the U.S. Department of Agriculture (USDA) awarded to the University of Florida. Studies for the grant will take place inside and outside these structures, where 512 young …
Nutrition and pH Management for HLB
At Citrus Expo, University of Florida soil scientist Kelly Morgan said nutrient uptake by HLB-infected trees can be improved by applying the proper amount of nutrition and managing pH. “Those two things go hand-in-hand,” he said. “As you reduce soil pH below 7, you increase the uptake of most nutrients. So we need to reduce our pH. Our pH has …
Grower: What’s Helping, and What’s Not, for HLB
Focusing on nutrients and soil issues is helping Lykes Brothers cope with HLB (also known as citrus greening), says John Gose, general manager of the company’s Citrus Division. “We’ve seen more benefits in battling greening with the addition of more nutrients,” Gose says. “When I say that, I’m talking about micronutrients in particular.” He adds that the company is also …
Laser Technology May Be Key to Rehabilitating HLB Trees
A University of Florida (UF) scientist hopes to improve on laser technology to enhance the efficiency of spray solutions aimed at restoring vitality to greening-affected citrus trees and reducing amounts of chemicals applied. With the updated technology, a laser shoots infra-red energy pulses at citrus tree leaves, said Ed Etxeberria, a professor of horticultural sciences at the UF Institute of …
Attract-and-Kill Device Being Developed for Psyllids
Numerous researchers have collaborated on an attract-and-kill device that will hopefully eliminate psyllids in confined spaces, such as nurseries and citrus under protective screen (CUPS). University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lukasz Stelinski reports on a presentation he made Oct. 25 at a citrus nursery workshop in Lake Alfred. Stelinski says researchers with UF/IFAS and …
Family Farm Recognized for Environmental Leadership
Lykes Bros., Inc. was honored for its environmental stewardship with a County Alliance for Responsible Environmental Stewardship (CARES) award on Oct. 18. Lykes Bros. has grown a 500-acre Brooksville farm to more than 610,000 acres in Florida and Texas. A leader in agribusiness for more than 100 years, Lykes Bros. Inc. fully invests in responsible stewardship on a diverse operation. The …
Looking Beyond 79 Million Boxes of Oranges
Overall, the Florida citrus industry was delighted to hear the U.S. Department of Agriculture’s forecast of 79 million boxes of oranges for the state. After battling citrus greening for over a decade and then devastation from Hurricane Irma in 2017, 79 million boxes gave the industry a glimmer of hope. One industry member, Allen Morris, owner of Morris Agribusiness Services, …
CRDF May Seek More Applied Research
Citrus Research and Development Foundation (CRDF) Chief Operations Officer (COO) Rick Dantzler, recapping the organization’s October board meeting, says he would like to see the organization “turn more of its focus toward applied research.” That issue was a major discussion topic for the CRDF board, he says. “We can’t abandon basic research, certainly, but applied research seems to me to …
A Day in the Life of a UF/IFAS Extension Agent: Juanita Popenoe
When growers in Central Florida need help with an alternative crop to citrus, they turn to Juanita Popenoe. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension agent spends her days helping farmers who are looking for options to diversify their groves impacted by citrus greening disease. “Since citrus greening has hit the industry so hard, citrus …
As California HLB Detections Rise, Priorities Refocus
By Brian German A series of strategic planning sessions have helped to craft a more detail-oriented approach to address the spread of Asian citrus psyllid (ACP) and management of huanglongbing (HLB) detections. As of Oct. 9, there have been 906 positive HLB detections in California. “The real hot spot for us right now is Orange County. We’re finding a lot of HLB-positive …
Mutual President on Crop Forecast and Tree Health
Tom Mitchell of Riverfront Packing Company in Vero Beach, who serves as Florida Citrus Mutual president, discusses the crop forecast for Florida citrus. The Florida forecast for 79 million boxes of oranges and 6.7 million boxes of grapefruit was issued Oct. 11 by the U.S. Department of Agriculture’s National Agricultural Statistics Service. “I’m primarily a fresh grapefruit grower,” Mitchell says, …
PIECES OF THE PAST: Juice Trains Roll On
By Brenda Eubanks Burnette Anthony T. Rossi, founder of Tropicana, immigrated to New York with the dream of making movies, but ended up in the grocery business for 13 years before heading to Florida in search of warmer weather. Using the skills he’d developed in the grocery business, he began packing gift fruit boxes for Macy’s and Gimbel’s, and jars …
Ag Commissioner Candidate Discusses Orange Crop Forecast
Matt Caldwell, Florida state representative and candidate for commissioner of agriculture, was on hand at a citrus industry lunch when the U.S. Department of Agriculture announced its initial 2018–19 citrus crop forecast. Caldwell comments on the 79 million-box orange forecast, which was larger than most had expected. “It’s certainly a hopeful change from last year when we dealt with obviously …
Effects of Homobrassinolides on HLB-Affected Trees in Florida
By Fernando Alferez, Christopher Vincent and Tripti Vashisth In the current scenario of widespread infection and severe symptoms of HLB in Florida, horticultural practices that improve plant health in the presence of the disease are needed. For this reason, we sought to follow up on reports of positive effects of a brassinosteroid on infected plants. Brassinosteroids are a relatively newly …
Don’t Let Vine Weeds Trip You Up
By Ramdas Kanissery and Camille McAvoy Weedy vines are among the problematic and difficult to manage group of weeds in citrus. Vine weeds twine around the trees, competing with citrus for light and nutrients and causing reduction in yield and harvesting efficiency. Since vines do not have to form strong upright stems, more energy and resources can be diverted into …
Soil Moisture Sensors Help in Face of HLB
University of Florida Institute of Food and Agricultural Sciences researcher Rhuanito (Johnny) Ferrarezi discussed the use of soil moisture sensors at a recent grower workshop in Sebring. He summarizes that presentation, which included a discussion of how the sensors can help in the face of HLB. “The main goal of using soil moisture sensors is to increase irrigation efficiency,” Ferrarezi …
Whitmore Farm Focuses on HLB Research
More than 20 growers and others attended a tour on Oct. 11 at Whitmore Farm near Groveland in Lake County, Florida. Breeding for HLB tolerance or resistance is the primary goal of research at the farm. “Whitmore Farm was established in the mid-1950s as a foundation farm,” says Brian Scully, who led the tour and discussed research. Scully is director …
Shepp ‘Thrilled’ by Orange Forecast
“I’m absolutely thrilled to see that number,” Florida Department of Citrus (FDOC) Executive Director Shannon Shepp said after the 2018-19 Florida orange crop was forecast at 79 million boxes on Oct. 11. The strong forecast was issued by the U.S. Department of Agriculture National Agricultural Statistics Service. “I have been looking for positive news for quite some time in this …
Update on Hurricane Irma Financial Assistance
By Mike Sparks It’s been a challenging year since Hurricane Irma struck. We understand the frustration with the lag in getting hurricane relief to growers and realize the urgency of the situation. With that said, we have some good news and some bad news. The bad news is that the Wildfires and Hurricanes Indemnity Program (WHIP) applications and payments for …
Evaluating Roots of HLB-Infected Trees
Growers attending a recent workshop in Sebring learned how to evaluate the root systems of HLB-infected trees. University of Florida Institute of Food and Agricultural Sciences researcher Evan Johnson was the instructor. Johnson said evaluation of root systems is important because “HLB is causing a lot of damage to the root system … It’s important to know how the pests …





























