Lessons Learned From HLB as an Immune-Mediated Plant Disease

Josh McGillHLB Management, Research

By Nian Wang How the huanglongbing (HLB) pathogen Candidatus Liberibacter asiaticus (CLas) causes damage to infected citrus trees has been widely debated. A recent study demonstrates that HLB is an immune-mediated plant disease (Ma et al., 2022). It was discovered that CLas infection of citrus stimulates systemic and chronic immune response in phloem tissues, including reactive oxygen species (ROS) production, …

Crop Insurance Deadline Nears

Josh McGillInsurance

The final date to apply for Florida citrus tree and fruit crop insurance coverage for the 2023 crop year is April 15. Current policyholders who wish to make changes to their existing coverage also have until the April 15 to do so. Federal crop insurance is critical to the farm safety net, according to the U.S. Department of Agriculture’s Risk …

PIECES OF THE PAST: Once a Farmer, Always a Farmer

Josh McGillPieces of the Past

By Brenda Eubanks Burnette While passing through St. Augustine one weekend, I came across a sign in the Washington Oaks Historic District that made me stop and take a photo so I would look into it at a later time. In 2009, the National Register of Historic Places designated Washington Oaks as a national historic district. The Friends of Washington …

Legislation to Ease Ag Sales-Tax Exemptions

Josh McGillLegislative

Recently filed state legislation would create a Florida Farm Tax Exempt Agricultural Materials (TEAM) card to be used for sales-tax-exempt purchases of agricultural materials. The filing was announced by Florida Commissioner of Agriculture Wilton Simpson, state Sen. Jay Collins, state Rep. Danny Alvarez and agriculture stakeholders. “The Florida Farm TEAM Card will help to alleviate burdens felt by farmers and …

Pummelos Exempted From Florida Marketing Order

Josh McGillFresh, Regulation

The U.S. Department of Agriculture’s Agricultural Marketing Service (AMS) on March 9 announced a change to the Florida citrus marketing order that exempts pummelos from all marketing order requirements. The change was made at the recommendation of the Citrus Administrative Committee (CAC), which administers the order. The committee, comprised primarily of growers and handlers of fresh citrus, made the recommendation …

New Plantings a Focus of Phytophthora Management

Josh McGillDiseases

Plant pathologist Megan Dewdney put emphasis on new plantings during a mid-March discussion of phytophthora management for citrus trees infected with HLB. Dewdney is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor at the Citrus Research and Education Center, where she spoke. Dewdney’s presentation was part of an OJ break hosted by UF/IFAS Extension multi-county …

Juice Prices Climb; Volume Sales Drop

Josh McGillFlorida Department of Citrus, Orange Juice, sales

Orange juice (OJ) and grapefruit juice prices climbed in the four-week period ending Feb. 25 compared to the same period in 2022, but volume sales dipped. Marisa Zansler, Florida Department of Citrus (FDOC) economic and market research director, presented that FDOC Nielsen report information to the Florida Citrus Commission on March 15. The FCC is the governing board of the …

Showcasing Research Results

Josh McGillResearch

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Overnight success comes after years of hard work. In science, that means the “eureka” moment isn’t a moment at all. It comes after years of research that can cost millions of dollars. That’s a level of resources that the federal government helps deliver. We’re fortunate that the U.S. Department of Agriculture’s National Institute of …

The Seasonal Satsuma Bottleneck

Josh McGillCold Hardy, Mandarins

The short timeframe for satsuma mandarins to be harvested and sold in the fall created a bottleneck of supply around the Thanksgiving holiday in 2022. An excess supply led to a challenge for growers attempting to sell their fruit when demand diminished, according to Kim Jones, who grows and packs citrus in Florida and Georgia. “The week of Thanksgiving when …

Cold Acclimation Helping Trees Rebound From Freeze

Josh McGillCold Hardy, freeze

Trees in the Sweet Valley Citrus region are more acclimated to cold temperatures than those in Central and South Florida. That is a reason that Bill Barber, Certified Crop Adviser and owner of Barber Ag Services, believes citrus trees in North Florida, South Georgia and South Alabama have rebounded well following the Christmas freeze event. “I first thought the worst. …

Uruguay Has First HLB Detections

Josh McGillHLB Management, International

The first cases of plants with HLB disease have been confirmed in Uruguay, according to a health emergency note released by the country’s Ministry of Livestock, Agriculture and Fisheries. Plants with symptoms were found in a residence in the city of Bella Unión. After laboratory analysis, the presence of the disease was confirmed. Inspections were carried out in the homes …

Gibberellic Acid Shows Promising Results on Hamlin

Josh McGillHLB Management, PGRs, Research

By Tripti Vashisth and Taylor Livingston Grower-led trials in 2022 showed positive results of gibberellic acid (GA) treatment on Hamlin trees in Florida. This article primarily discusses two growers’ trials in detail. Both sites showed improvement in fruit production from the GA application. Many growers have adopted GA applications in the past year as part of their grove management strategy. …

Health and Safety Event for Florida Farmworkers

Josh McGillEvents, Labor, Safety

In their fourth such clinic, faculty from the University of Florida will test farmworkers for chronic diseases from 8 a.m. to 2 p.m. on March 23 in Arcadia. The University of Florida’s Institute of Food and Agricultural Sciences (UF/IFAS) and College of Medicine will conduct the clinic. The screenings will be at the Turner Agri-Civic Center, 2250 NE Roan Street. …

Microbiome

How to Liven Up Your Soil

Josh McGillAll In For Citrus Podcast, soil

How much life lives in a tiny bit of soil? A lot, according to Sarah Strauss, assistant professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). “The estimate I often mention is there can be over a billion microorganisms in a gram of soil, which is about this size of a quarter,” she said during the …

Leafminer Management Vital for Freeze-Impacted Trees

Josh McGillfreeze, Pests

Cold-hardy citrus growers need to protect their trees against the citrus leafminer this year, more so than ever. A lack of control could have negative consequences for trees still recovering from the Christmas freeze last December. Xavier Martini, assistant professor of entomology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center, …

Lessons From Hurricane Ian Will Help Growers

Josh McGillhurricane, Survey

Researchers will assess 20 to 30 Florida citrus groves impacted by 2022’s Hurricane Ian to learn lessons that will help growers in the future. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Christopher Vincent and Tripti Vashisth and their teams will conduct the assessment. The research will be funded by a $280,000, one-year grant from the U.S. …

Disaster Relief Discussed at Annual Meeting

Josh McGillEvents, hurricane, Legislative

The Highlands Country Citrus Growers Association (HCCGA) held its annual meeting in early March, celebrating 33 years of service to its membership. The event turned out a packed house in Sebring, with growers optimistic despite a challenging season. Matt Joyner, executive vice president and chief executive officer of Florida Citrus Mutual, spoke during the event and outlined a busy list …

advisory committee

Orange County Schools Seek Fresh Produce

Josh McGillFresh

Orange County Public Schools (OCPS) in Florida are seeking growers to join the Farm to School Partner Program. The program provides students access to nutritious, high-quality, local fruits and vegetables throughout the school year. Set to begin August 2023, the program runs through July 2025. OCPS is looking for a variety of produce items. Desired citrus items are grapefruit, lemons, …

pesticide

Campaign Promotes Best Neonicotinoid Practices

Josh McGillPesticides

Growing Matters has kicked off its annual BeSure! campaign to promote best stewardship practices when using neonicotinoid products. Using a wide range of media channels, the campaign reminds growers, crop protection applicators and others to follow label directions to minimize any potential impact on pollinators and other wildlife.  Since its inception in 2019, the BeSure! campaign is estimated to have …

European

Florida Forecast Sees Small Gains

Tacy CalliesCrop Forecast

The Florida 2022–23 all-orange forecast inched up 1% in March to 16.1 million boxes while the grapefruit forecast rose 7% to 1.6 million boxes. The U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) forecast for Florida tangerines and tangelos was unchanged at 500,000 boxes.    The entire rise of 100,000 boxes in the orange forecast was in the …