hlb

Discovery Speeds Push for HLB-Tolerant Citrus

Daniel Cooper Breeding, Orange Juice, Research

It’s one thing for a hybrid citrus tree to tolerate HLB, but quite another thing for it to produce orange-like fruit that makes delicious orange juice (OJ). That holy grail of traits could be nearer, thanks to a team of U.S. Department of Agriculture Agricultural Research Service (USDA-ARS) and University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) scientists. …

hlb

HLB Management Different for North Florida Citrus

Daniel Cooper Cold 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 …

crdf

Three Key Meetings for CRDF

Daniel Cooper CRDF

The February board meeting of the Citrus Research and Development Foundation (CRDF) covered a lot of ground according to Rick Dantzler, the foundation’s chief operating officer. “We had a big day on the day of the board meeting. There were three meetings: 1) our monthly board meeting; 2) a research summit with citrus organization leaders, the CRDF board and CRDF …

hlb

Irrigation During the Dry Season to Increase Yield of HLB Trees

Daniel Cooper Irrigation, Tip of the Week

By Tripti Vashisth and Mary Sutton Prolonged water deficits can negatively impact flowering, fruit growth, crop load and fruit quality. Unfortunately, HLB-affected trees are more susceptible to water deficits than healthy trees due to extensive root loss. Observing HLB-affected trees throughout the dry season showed that severely symptomatic trees consistently had lower leaf water potential than mildly symptomatic trees. This …

lennon

Surviving to Fight Another Day

Daniel Cooper Florida, HLB Management

Bill Lennon is working with researchers to learn more about survivor trees that are standing up to HLB. Bill Lennon is a fifth-generation citrus grower who can recall the industry’s glory days when Central Florida had hundreds of thousands of citrus acres before the 1980s freezes pushed production southward in the state. But he’s remained dedicated to the area, managing …

Switzerland

Studying Citrus Greening in Switzerland

Daniel Cooper Citrus Greening, HLB Management, Research

Lukas Hallman is about to embark on an internship in Switzerland to investigate the vascular system of trees affected by citrus greening. Hallman is in his final year of a Ph.D. program in horticultural sciences at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center. He is under the guidance of Lorenzo …

march

Sneak Peek: March 2024 Citrus Industry

Daniel Cooper HLB Management, Sneak Peek, Soil Health

The March issue of Citrus Industry magazine is centered on tree and soil health. On the cover is Florida citrus grower Bill Lennon of Lennon’s Grove Service. The March cover story details Lennon’s efforts to learn more about survivor trees in his groves that are standing up to HLB. He is working with University of Florida Institute of Food and …

clean

Establishing Clean Breaks and Verification in Packinghouses

Daniel Cooper Food Safety, Packing, Tip of the Week

By Clara Diekman, Taylor O’Bannon and Michelle Danyluk Many citrus packers already rely on product lot codes to aid in the traceability of their product in the case of a contamination event. These product lots can be determined in a variety of ways, including the date of harvest, field, harvest crew, etc. Regardless of the method used to assign lot …

AgNet Media Set to Host Florida Citrus Show

Morgan Cole Events, FCS24

Citrus and specialty crop producers should mark their calendars for the upcoming Florida Citrus Show, scheduled for Wednesday, April 3, in Fort Pierce, Florida. This will be the second year of AgNet Media hosting the event, which will once again feature a tailgating theme with vendors exhibiting their products and services while sharing delicious foods. In addition, general and educational …

Citrus Health Forum

Citrus Health Forum Helps Cold-Hardy Growers

Daniel Cooper Cold 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 …

CRISPR

CRISPR Is Bringing Citrus Closer to HLB Resistance

Daniel Cooper Breeding, HLB Management, Research

You’ve probably heard the term CRISPR in recent years. It is a relatively new breakthrough in science that has applications in human health and even in the fight against HLB. Nian Wang, a professor of microbiology and cell science with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been on the forefront of CRISPR research. Here …

HLB-affected trees

PGRs for HLB-Affected Trees: An Update

Daniel Cooper HLB Management, PGRs

Using the plant growth regulators (PGRs) cytokinin in spring, gibberellic acid (GA) in summer and 2,4-D in late fall can be helpful for HLB-affected trees, horticulturist Tripti Vashisth reported. Her PGR update came during a Feb. 21 OJ Break. Multi-county citrus Extension agent Chris Oswalt hosted the event at the University of Florida Institute of Food and Agricultural Sciences Citrus …

therapies

Nutrition Remains a Critical Element as New Therapies Roll Out

Daniel Cooper Nutrition

Growers have largely adopted new trunk-injection therapies to fight the effects of HLB in citrus groves. In addition, plant growth regulators have helped improve tree health and fruit retention. One University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) scientist reminds growers to maintain their fertilizer programs as the new therapies are deployed.  Davie Kadyampakeni, UF/IFAS associate professor of …

Top Tailgater To Be Named at Florida Citrus Show

Morgan Cole Events, FCS24

Exhibitors are gearing up to compete for the Top Tailgater title at this year’s Florida Citrus Show. The reigning champion, Southern Citrus Nurseries, took home the title and $500 cash for their vegetable spring rolls last year. This year, they’re competing to be the two-year champion with virgin bloody mary oyster shots. Who will bring home the prize this year? …

April

All In For Citrus Podcast, February 2024

Daniel Cooper All In For Citrus Podcast, Nutrition

Florida citrus growers are now well into their second application of oxytetracycline (OTC) via trunk injection to treat HLB. Per the label of both registered OTC products, after two applications, there is a one-year treatment pause. So, growers will be formulating plans on what to do during the off-season for OTC-treated trees. That was the subject of discussion during the …

Endangered Species Act To Be Addressed at Florida Citrus Show

Morgan Cole Events, FCS24

During the Florida Citrus Show’s general session, Mike Aerts, Florida Fruit & Vegetable Association vice president, science and regulatory affairs, will address how the Endangered Species Act (ESA) is being used to challenge the registration of key crop protection materials. The ESA has already been used to knock down the use of two active ingredients specific to citrus. Currently, the …

chlorpyrifos

Update on Chlorpyrifos Use

Daniel Cooper Pesticides, Regulation, Tip of the Week

By Brett Bultemeier, Mike Aerts and Lauren Diepenbrock On Dec. 28, 2023, the U.S. Court of Appeals for the Eighth Circuit revoked a previous decision related to chlorpyrifos tolerances for food. Chlorpyrifos is a broad-spectrum insecticide used in a variety of crops, including citrus. The original decision revoked all food tolerances, whereas this new ruling essentially reinstates them. This means …

panel

Gulf Citrus Grower Panel Discusses Trunk Injection

Daniel Cooper Events, Gulf, HLB Management

The Gulf Citrus Growers Association recently hosted a grower panel at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center in Immokalee to discuss experiences and results of trunk injection of oxytetracycline (OTC) to treat HLB. Participating in the panel were Ron English, Florida’s Natural Growers/Ranch 1; David Wheeler, Wheeler Farms; and …

study

Study Analyzes the Economics of Cover Crops

Daniel Cooper Cover Crops, Economics, Research

In the face of HLB in Florida, a recent study delved into the economic viability of incorporating cover crops in citrus groves to enhance soil health and overall tree well-being. Shourish Chakravarty and Tara Wade wrote an article, Cost Analysis of Using Cover Crops in Citrus Production, about the study. Both authors are with the University of Florida Institute of …