proposed rule

Industry Input Needed for Proposed Rule on Heat Protection

Daniel CooperRegulation

The U.S. Department of Labor recently announced the opening of the public comment period for its proposed rule intended to protect millions of workers from the significant health risks of extreme heat. The proposed rule, Heat Injury and Illness Prevention in Outdoor and Indoor Work Settings, was published in the Federal Register.   Announced in July by the department’s Occupational …

greasy spot

Symptoms and Management of Brown Rot and Greasy Spot

Daniel CooperDiseases

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) presenters on Aug. 30 discussed symptoms and management of the fungal citrus diseases brown rot and greasy spot. Plant pathologist and associate professor Megan Dewdney, the featured speaker, focused on management. Multi-county citrus Extension agent Mongi Zekri, who hosted Dewdney’s talk, described disease symptoms. BROWN ROT Brown rot is usually …

preharvest fruit drop

The Best Defense for Mitigating Preharvest Fruit Drop

Daniel CooperFruit Drop, PGRs, Tip of the Week

By Tripti Vashisth Over the past decade, HLB-associated fruit drop has become a significant problem in Florida groves. Many growers opt to harvest the fruit before the peak fruit drop begins. However, the downside to this strategy is that the fruit does not get enough time for optimal Brix accumulation. Plant growth regulators, when applied at the right time, can …

Packinghouse Day

Packinghouse Day in Florida Is Sept. 12

Daniel CooperEvents, Packing

Fresh fruit growers, packers and researchers will meet for the 2024 Packinghouse Day on Sept. 12 in Lake Alfred, Florida. The annual event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center. Registration opens at 8:30 a.m., and the event runs from 9:30 a.m. to 12 p.m. The event …

Brazil’s

Heat and HLB Hurting Brazil’s Production

Daniel CooperBrazil, Production

Brazil’s citrus crop is suffering this season, according to Franklin Behlau, a senior researcher for Fundecitrus. That was the focus of a recent presentation he provided at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred. “Things have changed in Brazil this season,” Behlau said. “We are a little behind …

sweet orange scab

Sweet Orange Scab Requirements Revised

Daniel CooperDiseases, Regulation

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) recently revised sweet orange scab (SOS) requirements. APHIS revised the conditions for the interstate movement of citrus nursery stock (CNS) and updated the inspection requirements for CNS to be eligible for shipment. The federal order also updates the APHIS-Approved Packinghouse Procedures for Elsinoë australis, Causal Agent of Sweet …

early-season

Seeking Early-Season Sweet Oranges

Daniel CooperAll In For Citrus Podcast, Varieties

HLB has reduced citrus production across the board, but early varieties like Hamlin have taken an even bigger hit. Hamlin has been plagued by the disease and fruit drop, which has left a void in the juice-processing segment in the early season. Growers who have been replanting have mostly relied on later-season varieties like Valencia because it seems to be …

breast cancer

Sunkist Partners With National Breast Cancer Foundation

Daniel CooperIndustry News Release, Marketing

Sunkist Growers, Inc. recently announced a partnership with National Breast Cancer Foundation, Inc. (NBCF) to raise awareness about breast cancer and provide resources to those impacted by the disease. “Through their (Sunkist) support, they will help us provide early detection, education and support services to women affected by breast cancer across the country,” said Candice Hensley, NBCF senior manager of …

assistance

H-2A Workers Blocked From Joining Unions in 17 States

Daniel CooperLabor, Legal

A federal judge in Georgia on Aug. 26 blocked a federal rule allowing migrant farmworkers to join unions in 17 states. The ruling prevents the U.S. Department of Labor (DOL) from enforcing the new rule. The rule would have prevented agricultural employers from retaliating against migrant workers with H-2A temporary work visas for joining labor unions and organizing against wage …

algal spot

Algal Spot an Increasing Problem in Florida Groves

Daniel CooperDiseases

Algal spot, not frequently seen in Florida citrus groves before 2015, has become more severe in recent years, University of Florida Institute of Food and Agricultural Sciences speakers reported Aug. 30. And the disease is likely to intensify as a problem with average temperatures increasing, said Megan Dewdney, associate professor of plant pathology at the Citrus Research and Education Center …

Final Herbicide Strategy

EPA Releases Final Herbicide Strategy

Daniel CooperPesticides, Regulation, weeds

The U.S. Environmental Protection Agency (EPA) on Aug. 20 released its Final Herbicide Strategy to protect more than 900 federally endangered and threatened species from the potential impacts of herbicide. EPA will use the strategy to identify measures to reduce the amount of herbicide exposure to these species when it registers new herbicides and when it reevaluates registered herbicides. For …

IPCs

IPCs Aid Trees and Fruit After Removal

Daniel CooperIPCs

Individual protective covers (IPCs), used primarily to protect young citrus trees from HLB-spreading Asian citrus psyllids, have become ubiquitous in Florida citrus groves in recent years. New University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research shows the trees grown under the IPCs also grow well for a few years after growers remove the bags. Growers typically remove …

registration

HLB Product Advancing in Registration Process

Daniel CooperHLB Management, Regulation

Silvec Biologics announced that an RNA vector delivery product to combat HLB has progressed to the Full Science Review Phase of the Environmental Protection Agency (EPA) Pesticide Regulation Improvement Act registration process. The product was developed in collaboration with Southern Gardens Citrus (a subsidiary of U. S. Sugar), the University of Florida (UF) and Texas A&M AgriLife Research. Silvec is …

rule

Assistance Available for Compliance With Revised Ag Water Rule

Daniel CooperRegulation, Water

The U.S. Food and Drug Administration (FDA) has published a final rule that revises pre-harvest agricultural water provisions in the Food Safety Modernization Act Produce Safety Rule. It replaces the previous microbial quality criteria and testing requirements with systems-based, pre-harvest agricultural water assessments. The Florida Department of Agriculture and Consumer Services (FDACS) is committed to providing support for farms that …

Owari

Owari Satsuma Pruning Project Update

Daniel CooperGeorgia, Mandarins, Pruning

By Jake Price The University of Georgia Owari satsuma pruning project is going to be very interesting. With extremely heavy fruit loads this year, I feel sure next year will be an “off” year for satsumas. It will be interesting to see what the fruit yields will be on the pruned trees compared to the unpruned trees. The six trees in this …

giant swallowtail

Getting a Handle on the Giant Swallowtail

Daniel CooperPests, Tip of the Week

By Amir Rezazadeh The giant swallowtail butterfly (Papilio cresphontes) is a beautiful insect, admired for its large wingspan and vibrant yellow and black coloration. However, for citrus growers, this butterfly is often viewed with less enthusiasm. The larvae of the giant swallowtail, commonly referred to as “orange dogs,” can cause significant damage to citrus trees. Understanding the nature of this …

SAR

Psyllid Nanopesticide Developed in Brazil

Daniel CooperBrazil, Pesticides, Psyllids

In Brazil, a more effective and sustainable insecticide for HLB-spreading psyllids was developed by Embrapa (Brazilian Agricultural Research Company) in partnership with the Institute of Chemistry of the State University of Campinas (Unicamp). The work resulted in a controlled-release system of the insecticide thiamethoxam molecule. Encapsulation was performed in polymeric nanoparticles, structures more than 80,000 times smaller than the thickness …

Oriental fruit fly

Oriental Fruit Fly Quarantine Removed

Daniel CooperCalifornia Corner, Pests, Regulation

Federal and state officials on Aug. 11 removed the Oriental fruit fly quarantine in California’s Riverside and San Bernardino counties. This action releases the remaining 365 square miles of the quarantine, which contained 1,800 acres of commercial agriculture. Release from quarantine occurred after three generations elapsed since the date of the last detection, based on a degree-day model. The U.S. …

pectin

Improved Pectin From Orange Peels

Daniel CooperResearch

U.S. Department of Agriculture Agricultural Research Service (USDA ARS) scientists have developed a high-quality and inexpensive pectin that can successfully gel in low-sugar products and still be scalable for commercial production. Pectin, a soluble fiber used mainly for gelling food products like jams and jellies, is naturally found in fruits and vegetables. Most commercial pectins are from citrus fruit peels …

Angle

Angle to Return as UF/IFAS Leader

Daniel CooperAgriculture, extension

J. Scott Angle, who recently served as University of Florida (UF) provost, will return as leader of UF’s Institute of Food and Agricultural Sciences (UF/IFAS). He will become UF senior vice president for agriculture and natural resources in September, a position he originally assumed in 2020. He left as leader of UF/IFAS in July 2023 to become interim provost and …