World Citrus Organisation Gains First Mexican Member

Josh McGillInternational

Citrojugo in June became the first Mexican member of the World Citrus Organisation (WCO). Citrojugo, based in Tecomán, is a producer, processor and marketer of acid citrus-based juices, essential oils and dried peels. WCO is a global platform for dialogue and action that brings together citrus-producing countries. The group includes more than 40 other associations, companies and members that work …

USDA to Buy Fresh Grapefruit for Food Programs

Josh McGillGrapefruit

The U.S. Department of Agriculture (USDA) recently announced plans to purchase fresh grapefruit for distribution to various food nutrition assistance programs. The purpose is to encourage the continued domestic consumption of these products by diverting them from the normal channels of trade and commerce. USDA said ample availability of fresh grapefruit is projected to increase due to slower movement in …

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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 …

CRAFT Reopens Existing Tree Therapies Program

Josh McGillCRAFT, planting

The Citrus Research and Field Trial (CRAFT) Foundation has reopened the application window for its Existing Tree Therapies Program. Applications will be accepted until 5 p.m. on Aug. 31. Participants will be selected through a random lottery, administered by a third-party entity. The program is designed to provide the industry with a better understanding of the best use patterns, combinations …

Hurricane Preparedness for Citrus Groves: Part Two

Josh McGillhurricane, Tip of the Week

By Mongi Zekri, Robert E. Rouse and Jonathan H. Crane Growers can prepare for the damaging winds from a hurricane or tropical storm by ensuring that their equipment is working and ready to go. SECURE SUPPLIESTanks containing fuel, fertilizer and other materials should be kept full, so they do not move in the wind and rain and to ensure that …

Speeding Up the Screening Process for HLB Therapies

Josh McGillHLB Management

While it remains to be seen if trunk injection of oxytetracycline hydrochloride (OTC-HCl) is a game changer in the fight against HLB, it certainly has intensified the conversation about the potential for antimicrobial treatments. There are literally hundreds of materials that might be effective at reducing the HLB bacteria in trees, but it has been a slow process to screen …

Greasy-Green Research Update

Josh McGillDiseases, Research

University of Florida Institute of Food and Agricultural Sciences researchers Megan Dewdney, Mark Ritenour, Liliana Cano, Eva Mulandesa and Monty Myers recently provided an update of their greasy-green disorder research. Excerpts follow from the Indian River Citrus League’s River Ramblings publication: “Greasy green” is a term applied to fruit that develop what appears to be greasy spot rind blotch symptoms …

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 …

Ag Commissioner Wilton Simpson Confirmed to Speak at Citrus & Specialty Crop Expo

Josh McGillEvents

Florida Commissioner of Agriculture Wilton Simpson will speak during the Citrus & Specialty Crop Expo’s General Session on Aug. 16. Simpson, a farmer himself, brings a perspective grounded in the importance and realities of agriculture. “We are excited to have Commissioner Simpson join us for the Expo,” says Robin Loftin, president of AgNet Media. “The Citrus & Specialty Crop Expo …

Lemon Scion Research Summarized

Josh McGillCalifornia Corner, lemons, Varieties

An assortment of lemon scions producing fresh market fruit performed differently for yield and other qualities in three California locations. Glenn Wright, University of Arizona associate professor and Extension specialist for tree crops, provided the comparative results from the three locations in a June 20 webinar. All results are through the 2020–21 season. SANTA PAULAThe Santa Paula location, with a …

Less Citrus Production in Morocco

Josh McGillCrop Forecast, International

Production of all citrus varieties in Morocco will decline in 2022–23, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) confirmed in a recent report. The report includes an update on the area planted for each variety and the expected volume of exports. Morocco does not import fresh citrus. TANGERINES/MANDARINS Fresh tangerine/mandarin production is projected at 927,000 metric tons …

Fundecitrus App Aids Psyllid Insecticide Rotation

Josh McGillBrazil, HLB Management, Technology

The Fundecitrus app, launched in February, has a new feature to help citrus growers properly rotate insecticides to manage the psyllid that spreads citrus greening disease. The new feature helps growers choose insecticides with different modes of action. The use of insecticides with the same mode of action in sequential applications can result in an increase in the frequency of …

European Orange Production to Decline

Josh McGillCrop Forecast, International

European Union (EU) orange production is projected at nearly 5.8 million metric tons (MMT) for 2022–23, almost a 13% reduction from the previous season, according to a U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) report. Reductions are expected mainly in Spain and slightly in Italy and Portugal. SPAINOrange production in Spain is projected to decline by 22.8%, amounting …

Citrus Commission Chairman: Marketing Programs Work

Josh McGillFlorida Citrus Commission, Florida Department of Citrus, Marketing

Florida Citrus Commission (FCC) Chairman Steve Johnson recently shared his thoughts on the Florida Department of Citrus’ (FDOC) marketing programs. “As the budget has decreased over the past couple of years, and into next year, the FCC has placed a stronger emphasis on the need for the FDOC to utilize data to track their programs,” said Johnson. “Performance has played …

Albrecht Updates Trunk Injection Research at Citrus Industry Annual Conference

Josh McGillHLB Management

By Frank Giles During the Florida Citrus Industry Annual Conference, Ute Albrecht, a plant physiologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), provided an update on her research on the use of oxytetracycline hydrochloride (OTC-HCl) to treat HLB. She began her presentation with some history of OTC-HCl. The compound has been in use since the …

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 …

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OJ Availability, Price and Sales

Josh McGillFlorida Citrus Commission, Florida Department of Citrus, Orange Juice

Worldwide availability of orange juice (OJ) has declined by 10% to 12% this season (2022–23) compared to the prior season, economist Marisa Zansler told the Florida Citrus Commission (FCC) in June. Zansler is the Florida Department of Citrus (FDOC) director of economic and market research. The FCC is the FDOC’s governing board. In the 2022–23 season, frozen concentrated OJ availability …

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Hurricane Preparedness for Citrus Groves: Part 1

Josh McGillhurricane, Tip of the Week

By Mongi Zekri, Robert E. Rouse and Jonathan H. Crane Growers look forward to the rainy season because it helps their young trees grow fast and their mature trees produce good crops. However, along with the anticipation of the rainy season, there is also the reality that tropical storms or hurricanes may bring too much rain and wind, causing devastations …

sweet orange scab

Update on Sweet Orange Scab in California

Josh McGillCalifornia Corner, Diseases

A California researcher recently provided an update on sweet orange scab (SOS). The fungal disease has been detected in the state 18 times since 2013. University of California, Riverside professor and plant pathologist Jim Adaskaveg said most of the detections have been in Southern California, especially in Imperial County. Eleven detections have been in commercial lemon orchards, three in commercial …

Japanese Diagnostic Method Targets Breeding Rights Violations

Josh McGillBreeding, International

Citrus is the third most important agricultural product in Japan. The success of the Japanese citrus industry is attributed to the development of new cultivars that are free of pests and diseases, climate-resilient and exhibit superior fruit quality. There has, however, been a growing concern over the infringement and violation of breeding rights of citrus cultivars developed in Japan. This …