Positive Perspectives on the Florida Citrus Season

Josh McGillCrop Forecast, Florida Citrus Commission

By Steve Johnson The first U.S. Department of Agriculture crop forecast of the season was announced on Oct. 12. While the forecast arrived on a stormy day, the numbers were radiant rays of sunshine for our growers, and the Florida citrus industry as a whole. Every member of this industry knows there are still hurdles to clear, and there will …

Uncovering the Cause of Greasy-Green on Grapefruit 

Josh McGillGrapefruit, Tip of the Week

By Megan Dewdney, Mark A. Ritenour and Liliana M. Cano  In the last few years, 89% of Florida grapefruit growers have struggled with a disorder that they refer to as greasy-green, leading to losses between $20,000 to $1.7 million per year. The disorder causes the fruit to have large, diffuse green patches on the rind after degreening, making it no …

UGA to Hire Citrus Researchers Next Year

Josh McGillGeorgia, Research

Georgia citrus growers will soon have research support from the University of Georgia (UGA), says Lindy Savelle, president of the Georgia Citrus Association and member of the Georgia Citrus Commission. She confirmed the news at the recent Cold Hardy Citrus Field Day at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center …

All In With Trunk Injection

Josh McGillHLB Management, planting

Some Florida citrus growers decided to start slowly with trunk injection of oxytetracycline (OTC), treating only a small portion of their acreage. Others took a wait-and-see approach, hoping to learn from their peers’ experiences. But Wheeler Farms went all in, treating 100% of their trees with trunk injection. “What we were doing was not working, so we needed to try …

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FFVA Endorses Glyphosate Renewal in Europe

Josh McGillInternational, Pesticides, Regulation

Florida Fruit & Vegetable Association (FFVA) recently submitted comments to the U.S. Department of Agriculture’s Foreign Agricultural Service endorsing the European Union’s (EU) 10-year registration renewal efforts for glyphosate. In the letter, FFVA stressed that glyphosate herbicide has been used safely and successfully in Europe for more than 40 years. It noted that leading health regulators, including in Europe, the …

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Conclusions on Asian Citrus Psyllid Control

Josh McGillHLB Management, Pests

HLB, spread by the Asian citrus psyllid (ACP), has been the scariest and most destructive disease that Florida citrus growers have ever faced. So, it was fitting that entomologist Jawwad Qureshi made a virtual presentation about ACP/HLB on Halloween, often considered the scariest day of the year. Qureshi, a University of Florida Institute of Food and Agricultural Sciences associate professor, …

Australian Plant Protection Guides Available Online

Josh McGillEducation, International

The latest plant protection guides for citrus and deciduous fruit growers in Australia’s New South Wales (NSW), developed by NSW Department of Primary Industries (NSW DPI), are now available online. The citrus plant protection guide 2023–24 is available here. The orchard plant protection guide for deciduous fruits can be found here. The plant protection guides are developed by NSW DPI …

Fruit World on Certification, California’s Citrus Season and More

Josh McGillCalifornia Corner

Fresh fruit produce company Fruit World announced its recent Equitable Food Initiative (EFI) certification out of its Reedley, California facility. The company also reported that the California citrus season is late this year, and that Fruit World’s chief executive officer will participate on a panel discussing the upcoming Strengthening Organic Enforcement (SOE) rule. According to Equitable Food Initiative’s website, it …

Federal Aid for Producers Impacted by 2022 Natural Disasters

Josh McGillfinancial, hurricane

The U.S. Department of Agriculture (USDA) will provide more than $3 billion to commodity and specialty crop producers impacted by natural disaster events in 2022. Eligible producers can apply for financial assistance through the Emergency Relief Program (ERP) 2022. The program will help offset the financial impacts of crop yield and value losses from qualifying disasters occurring in 2022. “In our continued …

Field Day Showcases Efforts to Breed HLB-Tolerant Oranges

Josh McGillBreeding, Events

By Maegan Beatty On Oct. 27, Jose Chaparro hosted a citrus breeding research update at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Teaching Orchard in Gainesville. The event included a variety display and field tour. Chaparro, a UF/IFAS associate professor of horticultural sciences, focused on how he and his team are taking on the significant task …

Brassinosteroids Can Improve Juice Quality and Fruit Yield

Josh McGillTip of the Week

By Fernando Alferez and Divya Aryal There are some indications that brassinosteroids (Brs) may advance commercial internal maturity by almost one month in Valencia sweet orange, depending on the time of application. However, the best time of application in this variety and other sweet orange varieties like Hamlin still needs to be determined, so that this treatment can become economically …

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Fine-Tuning Trunk Injection

Josh McGillHLB Management

Growers have concluded their first round of injecting their citrus trees with oxytetracycline (OTC) and now are anxiously awaiting the results. So far, trees seem to be responding with larger leaves and fruit, but fruit retention will tell the story if the treatment is moving the needle against HLB. For many years, there was a perception among growers that if …

Texas Grapefruit Headed to Vietnam

Josh McGillGrapefruit, International, Trade

Early this year, the U.S. Department of Agriculture (USDA), in cooperation with other government agencies, got Vietnam to open its market to U.S. grapefruit. Fresh citrus grower, harvester and packer Wonderful Citrus, which has worked with the USDA’s Foreign Agricultural Service (FAS) to grow its exports, saw a ripe new opportunity.  “Wonderful Citrus and our grower partners are excited for …

Millennium Block Varieties Tour

Josh McGillEvents, Rootstocks, Varieties

Citrus growers are invited to tour the 20-acre Millennium Block at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) in Fort Pierce on Nov. 7. The tour will be held from 9 a.m. to 2 p.m.  New varieties in the grove are in their fourth year of growth. Researchers are …

$5 Million Awarded to UF/IFAS for HLB Research

Josh McGillHLB Management, Research

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has been awarded five federal grants totaling more than $5 million to control HLB. The grants are from the U.S. Department of Agriculture’s National Institute of Food and Agriculture (NIFA).   HLB is caused by the bacterium Candidatus Liberibacter asiaticus (CLas). The Asian citrus psyllid can transmit CLas into a …

Citrus State of the Industry Survey

There’s a lot going on in Florida citrus. New trunk-injection therapies have been approved to treat HLB as groves bounce back from last year’s hurricanes.  It’s a good time to get a sense of the mood of growers as we start the new season. If you are a grower or a consultant/caretaker (who can answer generally on behalf of your …

Australian Citrus Season Sees Improvement

Josh McGillInternational

There have been signs of improvement for the Australian citrus industry in the 2023 season compared to 2022. Among other things, Citrus Australia Chief Executive Officer Nathan Hancock said fruit quality has improved this season. The tail end of the 2023 harvest has been particularly strong from a quality perspective, according to Hancock. “While the earlier fruit this season struggled …

São Paulo Governor Creates Greening Committee

Josh McGillBrazil, Citrus Greening, HLB Management

The governor of Brazil’s state of São Paulo, Tarcísio de Freitas, on Oct. 16 decreed the formation of a state committee for greening contingency after meeting with several members of the state’s citrus industry. Greening affects 38.06% of orange trees in the states of São Paulo and Minas Gerais. The governor acted after considerations by the Sylvio Moreira Citriculture Center/Agronomic …

How Much Yield Is Needed to Offset the Cost of Injecting Trees With Oxytetracycline?

Josh McGillEconomics, HLB Management

By Ariel Singerman Citrus growers in Florida are now allowed to inject their trees with oxytetracycline (OTC) to try to control Candidatus Liberibacter asiaticus and/or suppress citrus greening. The use of OTC is expected to improve the trees’ health and, in turn, increase yield. In this article, cost estimates are used to address the question of what yield response is …