fresh

U.S. Fresh Oranges Up; OJ Down in 2022–23

Daniel CooperFresh, Orange Juice, Production

The fresh-market orange crop in the United States rose 2% in 2022–23 compared to the prior year, to 1.44 million tons, the U.S. Department of Agriculture’s Economic Research Service reported this fall. The increase was due to larger navel orange and early/midseason crops in California and Texas. FRESH FRUIT PRICES FALL With increased supply, grower prices for fresh oranges were …

changes

Fundecitrus Repudiates Articles About Citrus Greening

Daniel CooperBrazil, Citrus Greening

Fundecitrus says it repudiates recent articles that claim productivity in Brazil’s São Paulo and Minas Gerais citrus belt will be reduced by 60% in the next five years due to citrus greening disease. Fundecitrus says Chilean and Spanish news portals published such reports on Nov. 14.  According to Fundecitrus, this information is not valid, nor was it ever provided by …

planning

Planning Pointers for Cold-Hardy Citrus Production

Daniel CooperCold Hardy, Production

Crop planning is an essential part of the citrus production process. What are you going to grow? Where are you going to market? How are you going to overcome HLB (huanglongbing or citrus greening)? John Chater, assistant professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, discussed the different factors that …

lebbeck mealybug

New Knowledge on Lebbeck Mealybug Can Aid Control

Daniel CooperPests

Lebbeck mealybug populations are not tied to flush production, entomologist Lauren Diepenbrock reported recently. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor also noted: Diepenbrock sampled lebbeck mealybug populations in commercial citrus groves in Central Florida. Analysis of the seasonal trapping data provided easily observable trends. Based on these trends, she offers the following initial …

marketing

Returns From OJ Promotions Projected

Josh McGillFlorida Department of Citrus

Florida Department of Citrus (FDOC) promotions of orange juice (OJ) are projected to have produced a $2.23 return on investment for each dollar Florida producers paid to support the promotions, a University of Florida (UF) economist reported. Lisa House, UF professor and chair of the UF Food and Resource Economics Department, made that projection in a virtual presentation on Nov. …

fruit fly

Queensland Fruit Fly Quarantine in California

Josh McGillCalifornia Corner, Pests, Regulation

Portions of Ventura and Los Angeles counties have been placed under quarantine for the Queensland fruit fly (QFF), the California Department of Food and Agriculture (CDFA) announced in late October. The quarantine followed the detection of two adult QFFs within the city of Thousand Oaks in Ventura County. The quarantine area measures 76 square miles. It is bordered on the …

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 …

Florida Department of Citrus Budget and Tax Rates Set

Josh McGillFlorida Citrus Commission, Florida Department of Citrus

The Florida Citrus Commission (FCC) on Oct. 25 set the Florida Department of Citrus (FDOC) budget and grower assessment rates for the 2023–24 season. The FDOC budget will be $23.239 million, about $6.5 million less than the 2022–23 budget of $29.795 million. It includes administrative and support services of $2.153 million, a general revenue service charge of $222,000, a research …

Brazilians Develop New Fruit Borer Trap

Josh McGillBrazil, Pests

Fundecitrus, with the participation of a MasterCitrus student and in partnership with a private company, has developed a new generation of citrus fruit borer traps. The trap is resistant to rain and includes guidelines to assist growers. Fundecitrus researcher Haroldo Volpe explained that the new product is an advance in the fight against citrus fruit borers. “We had a high-tech …

Citrus Acreage Attrition by County in Florida

Josh McGillAcreage, Florida, Land

By Ariel Singerman Citrus greening (HLB) has significantly impacted the Florida citrus industry. The disease has caused tree health, yield and fruit quality to decrease significantly over time. In 2022–23, due to the combined impact of HLB, Hurricane Ian and a freeze in December 2022, the statewide average yield for both Valencia and non-Valencia oranges was estimated to be approximately …

Research Update on Oxytetracycline Injection for HLB Management

Josh McGillHLB Management, Research

By Ute Albrecht The German scientist Paul Ehrlich pioneered the research for “magic bullets” — chemicals that could kill a microorganism but did not harm the patient. He also coined the term “chemotherapy” and paved the way for developing synthetic drugs. The first synthetic antibiotic (the first sulfa-type antibiotic) to successfully treat human bacterial diseases without major side effects was …

The Big Push for New Processed Orange Varieties

Josh McGillOrange Juice, Varieties

Citrus breeders at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) have been making a big push for four years to develop new orange varieties for processing. The need for the push was accentuated last year by a multitude of adverse situations on the processing side of the business. In a recent virtual presentation, UF/IFAS plant breeder …

Department of Citrus Discusses Priorities for Research Funds

Josh McGillFlorida Citrus Commission, Florida Department of Citrus, Research

The Florida Department of Citrus held a research and budget workshop on Oct. 4. Rosa Walsh, director of scientific research, presented an overview of the general funds received for research this fiscal year along with several possibilities for use of these funds for feedback from the Florida Citrus Commission (FCC). Walsh reported that $1.65 million was received in general revenue …

Three New Citrus Releases From UF/IFAS

Josh McGillVarieties

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center breeding program has released three new scion cultivars in the last year. These cultivars provide opportunities for diverse segments of the Florida citrus industry, including nurseries catering to the home landscape marketplace. The new releases demonstrate the value of a broad-based breeding program to …

Provide Feedback During Florida Fruit Displays

Josh McGillAll In For Citrus Podcast, Events, Varieties

Later this month, Florida citrus fruit displays will get underway. This is a key component of the citrus breeding program to get input from growers and other industry stakeholders on how fruit from potential new varieties looks and tastes. During the September All In For Citrus podcast, Michael Rogers, director of the University of Florida Institute of Food and Agricultural …

Breeder Advice on Nutrition, Scions and Rootstocks

Josh McGillNutrition, Rootstocks, Varieties

Citrus breeder Jude Grosser recently shared tips on tree nutrition and discussed some scion/rootstock combinations that should work well for trees producing juice oranges. NUTRITIONGrosser became very interested in citrus nutrition several years ago in an effort to keep his newly bred trees healthy in the face of HLB. The University of Florida Institute of Food and Agricultural Sciences professor …

Participate in Variety Displays and Field Days

Josh McGillEvents, Tip of the Week, Varieties

By Peter Chaires Each year, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeding teams provide opportunities for interested parties to sample fruit from new and recent selections. This is a great opportunity to remain current on research results. Participation from growers, processors, packers, marketers and fruit enthusiasts is desired. Shoppers in produce departments represent a …

Worldwide Citrus Production Down in All Categories

Josh McGillCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) recently estimated that world citrus production is down for oranges, mandarins, orange juice (OJ), grapefruit and lemons/limes. For all categories, production will be lower in 2022–23 than in the prior year. OJGlobal OJ production for 2022–23 is estimated 9% lower to 1.5 million metric tons (MMT). Production is down due …

Doubling Down on CRISPR Research

Josh McGillBreeding

By Michael E. Rogers We have all been waiting (and waiting some more) for new varieties to be developed that are resistant to HLB. Ten years ago, researchers thought they were really close to having new HLB-resistant varieties developed using gene-editing CRISPR technology. But as science goes, the story was much more complicated than first believed. A single edit to …

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 …