The Benefits of Growing Citrus on UV-Metalized Reflective Mulch

Josh McGillHLB Management, Research

By Jawwad Qureshi, Lauren Diepenbrock and Davie Kadyampakeni Protecting citrus trees from the Asian citrus psyllid (ACP) is critical to reducing the spread and severity of huanglongbing (HLB) or citrus greening disease. ACP, the vector of the pathogen responsible for causing HLB in citrus, needs young shoots to develop and reproduce. The frequent availability of viable shoots in young trees …

Orange Juice Shortages and Staggering Prices

Josh McGillEconomics, Orange Juice

By Marisa L. Zansler The orange juice (OJ) category has experienced turbulence over the past four years, characterized by volatility in prices, sales and distribution. Initially, the category declined in volume sales amid a saturated beverage market, with numerous options vying for consumers’ attention. However, the pandemic in early 2020 revitalized consumer interest, positioning OJ as a convenient and healthy …

Alico Discusses Trunk Injection and Next Season

Josh McGillHLB Management

Alico, Inc. began treating citrus trees in January 2023 with an oxytetracycline (OTC) product via trunk injection as a citrus greening therapy. “Through June 30, 2023, we have treated over 35% of our trees with OTC, which is expected to mitigate some of the impacts of citrus greening and is expected to decrease the rate of fruit drop, as well …

Return-on-Investment Potential of CUPS

Josh McGillCUPS, Economics, HLB Management

By Ariel Singerman and Arnold W. Schumann To exclude the Asian citrus psyllid (ACP, Diaphorina citri) vector of huanglongbing (HLB) and thereby produce disease-free healthy fruit, fresh citrus can be grown under protective screen structures. The expected economic benefit from adopting citrus under protective screen (CUPS) and excluding the ACP is increased yield and quality of fruit, which in turn, are …

Alico Citrus Production Halved

Josh McGillfinancial, hurricane

Florida citrus grower and landholder Alico, Inc. on Aug. 3 announced financial results for the third quarter of fiscal year 2023 and the nine months ended June 30, 2023. For the nine months, Alico harvested approximately 2.7 million boxes of citrus, a decrease of approximately 51% from the same period in the prior fiscal year. After the completion of the …

CRDF Board Focused on HLB Treatments

Josh McGillCRDF, HLB Management, Research

The Citrus Research and Development Foundation (CRDF) board of directors meeting in July focused largely on the use of oxytetracycline (OTC) as an HLB treatment in citrus. The board considered projects testing it in combination with other antimicrobial compounds or as a standalone treatment. Trunk injection of OTC has given the Florida citrus industry hope that it might be a …

Brazilian OJ Exports to United States Surge

Josh McGillBrazil, Orange Juice

Brazil is the world’s leading exporter of orange juice (OJ) and accounts for nearly 80% of the OJ marketed in the world. For every five cups of orange juice consumed, almost four are produced in Brazil. According to the Institute of Agricultural Economics, in the first four months of the year, São Paulo exported $682 million in juice, of which …

RAISE Act Would Improve Grower Disaster Relief

Josh McGillhurricane, Legislative

Several members of Congress from Florida recently introduced the Restore Agricultural Investment, Stability and Expansion (RAISE) Act of 2023. The act would provide the U.S. Department of Agriculture (USDA) with standing authority to help American growers recover after natural disasters by issuing block grants. Supporters said the bill better positions the measure to reach President Joe Biden’s desk and become …

citrus

Final U.S. Citrus Forecast Has Several Changes

Tacy CalliesCrop Forecast

The final U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) citrus forecast for the 2022–23 season, issued July 12, has several changes from the June forecast. FLORIDAFlorida’s all-orange forecast rose approximately 1% to 15.85 million boxes, up 100,000 boxes from June. The full increase is in the Valencia orange forecast, which rose to 9.7 million boxes. Florida’s all-grapefruit …

grapefruit

Grapefruit Rootstock/Scion Research Update

Josh McGillGrapefruit, Indian River, Research

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Mark Ritenour and Flavia Zambon recently provided an update on a large field trial. The project is called Evaluation of Potential HLB Tolerant Grapefruit Rootstock/Scion Combinations in the Indian River District of Florida. A summary of their update follows:  The project started as a collaborative effort between the UF/IFAS …

Citrus Breeding Efforts to Solve the Brix Crisis

Josh McGillRootstocks, Varieties

By Jude Grosser, Maria Brenelli, Ling Liu, Yu Wang and Fred Gmitter The combination of HLB and hurricane Ian have made this a disastrous year for Florida citrus, drastically reducing the quantity and quality of processing oranges. Brix values are the lowest in history. Early-season Hamlin juice with inferior quality is generally blended with late-season Valencia to achieve the target …

Recovery Will Require a Multipronged Management Program

Josh McGillHLB Management, hurricane, Production

By Michael Rogers The 2022–23 Florida harvest season is now behind us. Yield losses magnified by the weather events this past season position the next couple of years as “make or break” for many growers. The lingering effects of hurricane Ian will impact next season’s crop as trees continue to recover and balance out canopy regrowth with fruit production. Despite …

Economists Study Cover Crops in Citrus

Josh McGillCover Crops, Research

Economists with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently published two studies about the adoption of cover crops in citrus. One looked at the economic feasibility of cover crop adoption for citrus growers. The other looked at the preferences and willingness of growers to incorporate cover crops into their production practices. The studies were conducted …

Fair Access to Agriculture Disaster Programs Act Introduced

Josh McGillLegislative

U.S. Representatives Jimmy Panetta of California and Kat Cammack of Florida have introduced bipartisan legislation to reduce income barriers that producers face in accessing agriculture disaster assistance. The Fair Access to Agriculture Disaster Programs Act aims to ensure that basic safety-net programs for producers are readily available to help full-time farmers recover following natural disasters. Current adjusted gross income (AGI) …

Sneak Peek: July 2023 Citrus Industry

Josh McGillBreeding, Sneak Peek

The July issue of Citrus Industry magazine focuses on the latest work to breed better citrus trees. Chief among the goals is developing varieties resistant or tolerant to HLB. A trio of articles will give readers an inside look at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture Agricultural Research Service (USDA …

New CUPS Research Results Reported

Josh McGillCUPS

Positive results from experiments with photoselective shadecloth for color break and with plant growth-promoting bacteria for tree health were reported at a June 14 citrus under protective screen (CUPS) seminar. Presenter Arnold Schumann also gave an update on the generous fruit yields being generated in CUPS. Schumann is a University of Florida Institute of Food and Agricultural Sciences Citrus Research …

House Passes Block Grant Assistance Act

Tacy Callieshurricane, Legislative

Rep. Scott Franklin (FL-18) announced the House of Representatives passed the Block Grant Assistance Act on June 12. This critical bill provides needed authority for the U.S. Department of Agriculture (USDA) to issue block grants to growers devastated by Hurricanes Ian and Nicole. It now heads to the Senate for consideration. Those supporting the Block Grant Assistance Act include Florida …

Build Resilience in HLB-Affected Hamlin Trees

Josh McGillHLB Management, Tip of the Week

By Taylor Livingston and Tripti Vashisth Fighting HLB alongside weather disasters like freezes and hurricanes is leaving growers with little options for sustaining yields. The Hamlin sweet orange variety is known for higher susceptibility to HLB symptoms which cause rapid tree decline, including increased pre-harvest fruit drop and canopy loss. Production strategies that target fruit drop and canopy health improvement …

2023 Citrus Achievement Award Winner Announced

Josh McGillAwards

Florida Grower magazine chose Glenn Beck as the 2023 Citrus Achievement Award winner. He is featured in the magazine’s June cover story. For more than 20 years, the people who have won the award have helped shape the history of the state’s citrus sector. Some years, selecting a winner is an easy process because the person checks so many boxes. …

Millennium Block and MAC Project Updates

Josh McGillResearch, Rootstocks, Varieties

Hurricanes Ian and Nicole in 2022 caused early fruit drop in the Indian River area, where two studies of 39,000 trees that might tolerate HLB are being conducted. Researchers now expect significant data from the studies will come after the 2023, 2024 and 2025 season harvests, but they have already gained some insights from the projects.  The first experimental grove, …