Citrus Congress

Fundecitrus Participates in Australian Citrus Congress

Daniel CooperEvents, International

General Manager Juliano Ayres and researcher Franklin Behlau of Brazil’s Fundecitrus participated in the recent Australian Citrus Congress. Attendees discussed the impacts caused by citrus greening in affected countries like Brazil and worked to establish strategies for preventing and detecting the disease in Australia. During the event, Behlau gave a lecture at the Citrus Australia Biosafety Symposium and provided an …

Australian Citrus Congress

Highlights of the Australian Citrus Congress

Daniel CooperEvents, International

The inaugural Australian Citrus Congress was held March 5–7 at the Novotel Sunshine Coast Resort. The event drew more than 400 attendees for a conference, trade show, gala dinner and biosecurity symposium. Organized by Citrus Australia, highlights of the event included the following: “Businesses across the supply chain had the opportunity to learn something new or make a connection that …

protect developing

Protect Developing Fruit From Lebbeck Mealybugs

Daniel CooperPests, Tip of the Week

By Lauren Diepenbrock As the March bloom tapers off and fruit begin to set, it is time to think about lebbeck mealybug management to protect developing fruit. Damage to setting fruit causes malformed fruit that are often aborted or not marketable if they continue development (Figure 1). Early-season management is critical to both reducing early fruit damage and to maintaining …

growing

Growing Citrus With Soil Health in Mind

Daniel CooperCover Crops, Georgia, Soil Health

Herb Young enjoyed a 40-year career in the agricultural chemical industry, starting as a technical service representative and eventually becoming a product manager. During those years, he worked on various specialty crops across the country. About 25 years of his career was spent in field research roles. So, experimentation with crops and growing practices comes naturally to Young. He has …

budget

Florida Budget Includes $47 Million for Citrus

Daniel Cooperfinancial, Florida, Legislative

Florida Citrus Mutual (FCM) recently reported that the Florida Legislature’s fiscal year 2024–25 budget includes $47 million to aid the state’s citrus industry. The funding for various programs is: Additionally, the Florida Legislature’s budget includes a $100 million annual appropriation for the Rural and Family Lands Protection Program, which aims to protect working agricultural operations from development by establishing conservation easements. …

hlb

HLB Could End Georgia’s Citrus Industry

Daniel CooperGeorgia, HLB Management

One California citrus leader believes Georgia should respond more aggressively to huanglongbing (HLB, also known as citrus greening) for the sake of the industry’s future in the state. Roger Smith, fourth-generation citrus producer and executive of AC Foods, spoke during the recent Georgia Citrus Association meeting in Tifton. He discussed the disease that devastated citrus production in Florida and could …

pests

Freeze Does Not Have the Same Effect on All Pests

Daniel CooperCold Hardy, freeze, Pests

The Christmas freeze event in 2022 affected some insect pests in the cold-hardy citrus region more so than others, according to Xavier Martini. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor spoke about his findings during the recent Citrus Health Forum held at the North Florida Research and Education Center (NFREC) in Quincy. Martini addressed …

study

HLB Management Different for North Florida Citrus

Daniel CooperCold Hardy, HLB Management

Living with huanglongbing (HLB) disease (citrus greening) is a much different process for citrus growers than protecting their crop from it. Growers in the cold-hardy citrus region are currently trying to keep the devastating disease out of their area. Industry experts like Michael Rogers, University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center director, are …

fertilization

Greening Study: Extra Fertilization Doesn’t Increase Yield

Daniel CooperBrazil, HLB Management, Nutrition

A study carried out by Brazil’s Fundecitrus in partnership with the Agronomic Institute (IAC) showed that additional fertilization of orchards had no effect on increasing the production of trees with citrus greening. The research was conducted in well-nourished adult orchards with a low incidence of greening. Results were published in January in the journal PhytoFrontiers of the American Society of …

Citrus Health Forum

Citrus Health Forum Helps Cold-Hardy Growers

Daniel CooperCold Hardy

Production in the cold-hardy citrus region is still in its infancy. Growers and industry leaders need events like the Citrus Health Forum to obtain the necessary information to help this young industry continue to flourish. The latest forum took place at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center in Quincy …

oxytetracycline

Tips for Trunk Injection of Oxytetracycline

Daniel CooperHLB Management, Tip of the Week

By Ute Albrecht and Ozgur Batuman Follow these important tips for proper trunk injection of oxytetracycline as a citrus therapeutic. APPLICATION TIMING INJECTION TECHNIQUE ADDITIONAL ADVICE Ute Albrecht (ualbrecht@ufl.edu) and Ozgur Batuman (obatuman@ufl.edu) are associate professors at the University of Florida Institute of Food and Agricultural Sciences Southwest Florida Research and Education Center in Immokalee. Sponsored ContentTake the Sting Out …

cycle 2

California’s CRaFT Accepting Cycle 2 Applications

Daniel CooperCalifornia Corner, Psyllids

California’s Citrus Research and Field Trials (CA-CRaFT) program is now accepting Cycle 2 applications from commercial growers. This initiative aims to showcase the efficacy of additional control measures against the Asian citrus psyllid (ACP). ACP is the carrier of the Candidatus Liberibacter asiaticus bacterium causing huanglongbing (HLB) disease in citrus. For Cycle 2, applications will be accepted until program capacity …

CRDF

Taking Available Tools to the Grove

Tacy CalliesHLB Management

The quest for long-term solutions to HLB is well underway. Technology like CRISPR is being developed to introduce tolerance or resistance to HLB. Conventional breeding also is seeking rootstocks and varieties that can resist the disease. In the meantime, growers are reminded to utilize available tools that help trees remain productive in an HLB environment. During the August Citrus & …

Planning Pointers for Insect Management

Tacy CalliesPests, Tip of the Week

By Lauren Diepenbrock Insect and mite management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of insect and mite biology in relation to tree phenology, plans can be developed to protect fruit and maintain productive citrus trees. Populations of some highly …

triazine

Brassinosteroid and Weed Management Research Updated

Daniel CooperHLB Management, weeds

Brassinosteroids for HLB-infected trees and the latest on year-round weed management were discussed at a Jan. 17 OJ Break at the Citrus Research and Education Center in Lake Alfred, Florida. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county citrus Extension agent Chris Oswalt hosted the event. UF/IFAS assistant professors Fernando Alferez and Ramdas Kanissery made the presentations …

HLB

How Mexico Has Dealt With HLB

Tacy CalliesHLB Management, Mexico

Mexico’s Ministry of Agriculture and Rural Development recently pointed out ways the country has successfully dealt with huanglongbing (HLB), the most devastating disease of citrus worldwide. The ministry reported that the disease has triggered socioeconomic problems in other citrus-producing countries and regions in the Americas, Africa and Asia. “With appropriate agronomic-phytosanitary management, the life of affected trees can be prolonged, …

CRDF

California Researchers Seek HLB Tolerance

Tacy CalliesCalifornia Corner, HLB Management, Research

University of California, Riverside (UCR) has received three federal grants totaling more than $11 million for research focused on instilling HLB-tolerance in citrus trees. The grants are from the U.S. Department of Agriculture’s (USDA) National Institute of Food and Agriculture (NIFA). The funding was enabled by the 2018 Agricultural Improvement Act, which authorized the Emergency Citrus Disease Research and Development …

Costa Rica Orange Production to Decline

Tacy CalliesCrop Forecast, International, Oranges

Production of oranges in Costa Rica in 2023–24 is expected to decline 15% from the prior year to 250,000 metric tons (MT), the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) reported. The decline is a result of unfavorable weather conditions in Northern Costa Rica associated with an El Niño weather system. Two companies, TicoFrut and Del Oro, control …

pesticide resistance

Preventing Pesticide Resistance

Daniel CooperPesticides, Pests

By Lourdes Pérez Cordero Insects in general are often thought of as pests. Although some organisms of the class Insecta can become harmful to important agricultural crops, not all insects should inherently be considered pests. A pest can be any organism that competes, injures, or spreads diseases to humans, domestic animals and desired plants. Historically, humans have utilized chemical mixtures …

Florida citrus

IPCs on More Than a Million Florida Citrus Trees

Daniel CooperIPCs

As recently as five years ago, Florida citrus growers did not routinely put individual protective covers (IPCs) on their trees as part of their grove management. Now, the mesh IPCs cover at least 1 million trees on about 17,000 acres, mostly thanks to experimentation by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Fernando Alferez. IPCs keep …