At the Florida Citrus Growers’ Institute on April 2, weed scientist Ramdas Kanissery explained how growers can control weeds with a combination of early management, herbicides and steam. His talk was one of several presentations University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers made to an audience of more than 200 citrus growers in Avon Park. Kanissery, …
Citrus Grower Sees Success with Cover Crops
By Juanita Popenoe and Lauren Diepenbrock Ed James has citrus in his veins. He has been working and thriving in the citrus business since he was a teenager — from hoeing orange trees to owning a caretaking business that serviced thousands of acres. That is, until about eight years ago. In 2010, James looked around his personal 45-acre citrus grove …
Ambrosia Beetle Update
By Lauren Diepenbrock In October 2018, a potential “new pest” was found in large numbers in one grove in Hernando County, Florida. The damage to trees was dramatic, with dark staining throughout the trunk of the tree and beetle damage evident. It was something that would put any grower, Extension agent or researcher on alert. Fortunately, by working with Jiri …
Indian River Citrus Agent Shares Goals
Amir Rezazadeh discusses his role as the new multi-county citrus Extension agent for the Indian River production region. “I really want the growers to know that I’m here to support them,” says Rezazadeh, who has experience working in production. In addition to helping growers deal with greening disease, he says he wants to “introduce … new, high-value alternative crops” to …
Grapefruit: A Breeder’s Thoughts
Grapefruit’s struggle with survival and potential future were addressed by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) breeder and geneticist Fred Gmitter earlier this year. He told Florida Citrus Show attendees that the fruit has hit the bottom with HLB. “I was talking with one of the old-time families in the grapefruit business, one of the biggest …
Studying Citrus Roots in the HLB Era
By Lorenzo Rossi, Ute Albrecht and Evan Johnson Citrus root systems are confronted with many challenges that limit resource availability needed for tree productivity. Challenges are compounded by huanglongbing (HLB), which now affects nearly all citrus trees throughout Florida’s production areas. Contrary to the above-ground portion of the tree, study of the below-ground portion is considerably more difficult. This article …
Sneak Peek: April 2019 Citrus Industry Magazine
As Florida citrus growers learn to live with HLB, greater attention is being paid to plant nutrition. Nutrition takes center stage in the April issue of Citrus Industry magazine. Both growers and researchers are exploring the use of cover crops in grove row middles to enhance tree nutrition. The April issue includes a case study on eight years of cover …
Important Insurance Deadlines Are Approaching
The U.S. Department of Agriculture (USDA) Farm Service Agency (FSA) reminds Florida citrus growers of upcoming insurance deadlines as they relate to the Wildfires and Hurricanes Indemnity Program (WHIP) and the Block Grant. WHIP Requirement for Nursery CropsThe application sales closing date for crop insurance for 2020 Nursery Crops is May 1, 2019. Nursery growers who received WHIP benefits must …
PIECES OF THE PAST: Citrus Cultivation a Century Ago
By Brenda Eubanks Burnette I found the first issue (January 1920) of Citrus Industry, courtesy of Jen Dawson at the Citrus Research and Education Center in Lake Alfred, Florida. As I looked through the issue, I came across an article on soil tillage. Unfortunately, the pages had stuck together and only the last part was readable, but I wanted to …
Hurricane Irma: Relief Update and Frustration
Representatives of the Florida Division of Emergency Management (DEM) updated the Florida Citrus Commission Wednesday on Hurricane Irma reimbursements from the Citrus Recovery Block Grant. They heard from some commissioners concerned that growers have been waiting a long time for relief funds for the storm that hit Florida hard in September 2017. Commission Chairman Ellis Hunt told the representatives there …
CRDF President on Field Trials and Communication
Citrus Research and Development Foundation (CRDF) President Larry Black discusses the organization’s potential role in large-scale field trials to demonstrate how citrus can be grown in the face of HLB. He also talks about a communication study showing how growers like to receive information about CRDF. The Citrus Research and Field Trial (CRAFT) program would be funded for approximately $8 …
All In For Citrus Podcast, March 2019
March’s All In For Citrus podcast brings multiple citrus research updates to Florida’s citrus growers. Listen to the latest episode of the All In For Citrus podcast. First, Michael Rogers, center director of the University of Florida’s (UF) Citrus Research and Education Center (CREC), discusses the upcoming Citrus Growers’ Institute. He discusses the planned seminar program, which is jam-packed with …
Value of HLB Research Conference
Rick Dantzler, chief operating officer of the Citrus Research and Development Foundation in Florida, discusses the importance of the recent International Research Conference on HLB, held in California. “I think there’s real merit in the industry, nationally and internationally, getting together occasionally to talk about what’s going on in their home states and their home countries,” Dantzler says. He notes …
$3.5 Million Donation to Aid California Citrus Collection
The University of California, Riverside (UCR) has received a $3.5 million donation from Givaudan to support UCR’s Citrus Variety Collection. The gift will help build a screened structure to protect the collection from the impending threat of citrus greening disease, also known as huanglongbing (HLB). The 2.8-acre protective screened structure will house new trees and back-up collections of the UCR …
Sting Nematodes: A Growing Problem for Young Trees
By Larry Duncan Successive hard freezes in Florida in the late 1980s resulted in widespread replanting of citrus groves. Within a few years, many groves on the Central Ridge had discrete patches of poorly growing, chlorotic young trees amid patches of vigorously growing trees. Stubby root symptoms on the declining trees suggested damage by sting nematodes (Belonolaimus longicaudatus). This nematode …
WHIP/Block Grant Insurance Requirements
With the Florida citrus crop insurance closing date of April 15 rapidly approaching, Florida Citrus Mutual (FCM) has fielded many questions about the requirements of the Hurricane Irma WHIP (Wildfires and Hurricanes Indemnity Program) and Block Grant programs. The information below, crafted by FCM, is designed to answer general questions. The information has been approved by both the Risk Management …
Mature Mentors ‘Have a Fabulous Time’
About 75 older citrus growers, known as Mature Mentors, held their annual meeting in Tavares recently. John Jackson, a retired county agent who worked in the Tavares Extension office, spoke about the event. “A number of years ago, one of my grower friends, Dixie Royal, and I were having lunch,” Jackson recalled. “We said, ‘You know, we ought to invite …
Trees Improving with Good Nutrition
Many things are improving in Florida citrus groves, and Tripti Vashisth gives most of the credit to constant and balanced fertilization. Vashisth is an assistant professor at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center in Lake Alfred. “You can see that tree health seems to be improving; growth is improving,” Vashisth said. …
Drone Images Can Accurately Find, Count Citrus Trees
By using drone technology, Florida citrus growers can find out how many trees live in their groves and, eventually, they may detect the health status of the trees, a new University of Florida study shows. Imaging from unmanned aerial vehicles (UAVs) can accurately detect and count citrus trees and spaces where trees have had to be removed in groves, said …
Phytophthora: An Old Problem with New Challenges
By Evan Johnson Diseases caused by phytophthora continually threaten Florida citrus production. Brown rot can directly reduce yields of early maturing varieties including Hamlin and grapefruit, can delay harvest of fresh market fruit until infected fruit have dropped, or risk packinghouse rejection of the load because it can spread post-harvest. Foot and crown rot can kill trees but are uncommon …