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 …

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. …

Citrus Industry Impacts Florida’s Economy

Josh McGillEconomics, Tip of the Week

By Julio Cruz, João-Pedro Ferreira and Christa Court Many Florida citrus growers are under stress due to disease and extreme weather events. Citrus growers often request financial or other types of support from local, state and federal governments due to such situations. Understanding and communicating how the citrus industry supports economic activity throughout the state, even outside of the industry …

OJ Standard of Identity Discussed

Josh McGillFlorida Citrus Mutual, Orange Juice

No action was taken after numerous speakers discussed potential changes to the standard of identity for orange juice (OJ) at a March 1 public workshop. Taking place at Florida Citrus Mutual (FCM) headquarters in Bartow, the workshop was titled “Continuing the OJ Standards Conversation.” FCM Executive Vice President and Chief Executive Officer Matt Joyner offered background on the standard of …

Examining Hamlin Survivor Trees

Josh McGillHLB Management, Research, Varieties

By Gary England, Fred Gmitter and Manjul Dutt In 2014, most groves in Central Florida had citrus greening infection rates approaching 100%, but a Lake County grower reported that some trees in his Hamlin on Swingle blocks seemed to be relatively healthy. Some visual HLB symptoms were observed on these “surviving” trees, but they did not have the massive fall …

In Defense of Florida’s Citrus Industry

Josh McGillEconomics

By Marisa L. Zansler The Florida citrus industry has endured many challenges throughout its storied history, but never more so than over the past 18 years. During this time, the devastating impact of HLB has become more apparent and entrenched as the root cause of declines in the production of oranges, grapefruit and specialty citrus. HLB, combined with recent weather-related …

citrus production

Florida Processed Orange Standards Reduced

Josh McGillFlorida Citrus Commission, Florida Department of Citrus, Regulation

The Florida Citrus Commission (FCC) on Feb. 22 reduced processed orange maturity standards for the remainder of this season due to the negative effects of 2022’s Hurricane Ian. The emergency rule, proposed by the Florida Department of Citrus (FDOC), requires that all processed oranges have a Brix value of no less than 7.0. The rule also stipulates that there shall …

South Africa OJ Production to Rise

Josh McGillInternational, Orange Juice

Production of orange juice (OJ) in South Africa is estimated to rise by 6% to 33,120 metric tons (MT) in 2022–23, up from 31,320 MT in 2021–22. The estimate issued by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) is based on improved domestic orange production. In 2020–21, South Africa produced only an estimated 22,140 MT of OJ, …

Citrus Still a Strong Contributor to Florida Economy

Josh McGillEconomics

Despite challenges from diseases, land development trends and extreme weather, Florida’s citrus industry contributed $6.935 billion to the state’s economy in 2020–21. That’s a conclusion in a recent University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) report, 2020–2021 Economic Contributions of the Florida Citrus Industry. The report estimated the economic contributions for the most recent citrus marketing season …

Rust Mite Damage and Management

Josh McGillBrazil, Pests

Phyllocoptruta oleivora, known as the false rust mite in Brazil, is one of the country’s main citrus pests, Fundecitrus reported. In the United States, the pest is known as citrus rust mite or silver mite. It affects all varieties of citrus. Infestation in Brazil’s orchards occurs throughout the year but reaches the highest populations between December and June. That’s a …

Small Drops for Chinese Citrus Crops

Josh McGillCrop Forecast, International

Chinese production of tangerines/mandarins and grapefruit/pomelos in 2022–23 are both forecast to dip slightly from prior year levels. The forecast was issued by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). TANGERINES AND MANDARINSProduction of tangerines and mandarins is forecast at 26.5 million metric tons (MMT) in 2022–23, compared to 27 MMT the prior year. The forecast reflects …

citrus

OLL Sweet Oranges Producing Pre-HLB Fruit Quality

Josh McGillTip of the Week, Varieties

By Jude Grosser, Fred Gmitter and Maria Brenelli The new OLL (Orie and Louise Lee) series of sweet oranges (OLL-4, OLL-8 and OLL-20) are very high-quality processing sweet oranges that generally produce higher soluble solids and better juice color than Valencia. OLL trees are more vigorous than Valencia, and anecdotal evidence suggests they are slightly more HLB-tolerant than Valencia. Trees …

turkish

Much Less Citrus Production in Turkey

Josh McGillCrop Forecast, International

Fresh mandarin/tangerine, lemon and grapefruit production in Turkey is forecast to decline in 2022–23 compared to the prior year due to freezing temperatures in March 2022. Orange juice (OJ) production will likely be unchanged, while orange production will significantly decline. The forecast was issued by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS).   TANGERINES/MANDARINSOverall tangerine production is forecast …

Leading Citrus Producers of the World

Josh McGillCrop Forecast, International

Brazil will continue to lead the world in orange and orange juice production in 2022–23. China continues to produce the most tangerines/mandarins and grapefruit. Mexico will remain the largest producer of lemons and limes.  Global production of all varieties is forecast to be lower in 2022–23 than in the prior year. These projections were made by the U.S. Department of …

Sourcing Sweetness Compounds in Citrus

Josh McGillAll In For Citrus Podcast, Research

A lot goes into a piece of citrus fruit. Down to the molecular level, there’s millions of compounds that make up Florida’s signature crop. Researchers at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are exploring the genetic building blocks of citrus to learn how individual compounds can be used to enhance the fruit. Those applications might …

Natalie’s Partners With Florida State Parks

Josh McGillIndustry News Release

Natalie’s Orchid Island Juice Company has partnered with the Florida State Parks Foundation to become the official 2023 sponsor of the Florida State Parks Junior Ranger Program. As part of the partnership, Natalie’s will help fund the printing of the program’s Junior Ranger Kits. Natalie’s also will give away up to 200 Florida State Parks annual entrance passes and provide …

Alico Shares Quarterly Update

Josh McGillfinancial, hurricane, Industry News Release

Alico Citrus harvested 841,000 boxes of early- and mid-season (early/mid) oranges for the three months ended Dec. 31, 2022. That’s a decrease of approximately 6.1% from the same period in the prior fiscal year. The company will complete harvesting of early/mid oranges in the current fiscal year. It said it will recognize an overall decrease in the number of early/mid …

Old Variety Gets a New Look

Josh McGillAll In For Citrus Podcast, Varieties

The Parson Brown is an early-season sweet orange that J.L. Carney identified in 1875. By the 1920s, the variety had become a popular cultivar among growers, but eventually plantings declined as Hamlin became the go-to selection for the early season. However, because of its apparent tolerance to HLB, Parson Brown is again stirring interest among growers. Manjul Dutt, assistant professor …

Legislation Introduced in Hurricane Relief Effort

Josh McGillhurricane, Legislative

Rep. Scott Franklin (FL-18), Rep. Debbie Wasserman Schultz (FL-25) and Sen. Rick Scott (R-FL) introduced the Block Grant Assistance Act of 2023, a critical bill to ensure the U.S. Department of Agriculture (USDA) can provide needed relief to agriculture producers devastated by Hurricanes Ian and Nicole. This bill will provide the agriculture secretary needed authority to provide block grants to …

Morocco’s

Sizeable Citrus Crop Declines in Morocco

Josh McGillCrop Forecast, International

The U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) has forecast production of oranges, orange juice (OJ) and lemons/limes in Morocco to decline in 2022–23 compared to the previous season. FRESH ORANGESOrange production in Morocco is expected to decline 35% to 750,000 metric tons (MT). The decline is attributed to unfavorable weather during the growing season, water shortages and …