Greasy-Green Research Update

Josh McGill Diseases, 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 McGill Rootstocks, 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 McGill Events

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 McGill California 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 McGill Crop 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 McGill Brazil, 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 McGill Crop 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 McGill Florida 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 McGill HLB 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 McGill HLB 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 …

Australian

OJ Availability, Price and Sales

Josh McGill Florida 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 …

Hurricane Preparedness for Citrus Groves: Part 1

Josh McGill hurricane, 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 …

Update on Sweet Orange Scab in California

Josh McGill California 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 McGill Breeding, 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 …

HLB Lessons Learned From Nepal

Josh McGill All In For Citrus Podcast, HLB Management, International

Citrus is grown in many different regions across the globe. Some of those places look very different than the Florida landscape. But that doesn’t mean growers in different regions can’t benefit from learning about how others grow their fruit. That was the message from Christoper Vincent, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor of environmental …

USDA Citrus Breeding Program Focused on Rootstock and Variety Solutions

Josh McGill Breeding, Rootstocks, Varieties

The U.S. Department of Agriculture’s (USDA) U.S. Horticultural Research Laboratory in Fort Pierce, Florida, has been home to a citrus rootstock and variety breeding program for many years. Kim Bowman, a research geneticist, has been with the program for more than 30 years. More recently, Matthew Mattia, a geneticist, joined the breeding team. They provide an update on the program …

Economists Study Cover Crops in Citrus

Josh McGill Cover 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 …

Angle Named University of Florida Interim Provost

Josh McGill Education, Florida

J. Scott Angle, head of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), will serve as UF’s interim provost when Joseph Glover steps down in July. Angle will continue to lead UF/IFAS with executive decision making and strategic direction. Robert Gilbert, current UF/IFAS dean of research, will handle day-to-day administration for the organization in the interim. In …

State Legislature Supports Florida Citrus

Josh McGill Florida, Legislative

Landon Hoffman, director of government affairs for Florida Citrus Mutual, recently provided a recap of Florida legislative actions impacting the citrus industry: Florida Gov. Ron DeSantis signed the state budget, which goes into effect on July 1. This year’s budget included more than $65 million to support Florida citrus, the highlight being more than $30 million for the CRAFT (Citrus …

Highlights from the Florida Citrus Industry Annual Conference

Josh McGill Events, Florida Citrus Mutual

Florida Citrus Mutual provided a summary of its Florida Citrus Industry Annual Conference held in June: After a year full of challenges, the 2023 Florida Citrus Industry Annual Conference once again offered an opportunity for more than 500 growers, allied members, family and friends to come together and focus on the highlights of the year and the promise of better …