A new U.S. Department of Agriculture (USDA) report shows the value of the Florida citrus crop has substantially shrunk in the past year. The 2019–2020 Citrus Summary report was released by USDA’s National Agriculture Statistics Service on Aug. 26. It shows the $729 million preliminary on-tree value of the 2019–2020 citrus crop is 19 percent less than the $902 million …
Root Architecture, Propagation Method and Citrus Tree Growth
By Ute Albrecht, Sameer Pokhrel and Kim D. Bowman The rootstock has received increased attention as a management strategy to alleviate the devastating effects of HLB. In commercial citrus nursery production, rootstocks are typically propagated by seed. This is possible because citrus produces polyembryonic seeds with nucellar embryos, which develop into plants that are genetically identical to the mother plant. …
Cover Crops and Nematicides for Sting Nematode Management
By Larry Duncan, Johan Desaeger and Sheng-Yen Wu The citrus row middle habitat changed profoundly beginning in the 1970s as mowing replaced disking for weed management. This change ended the costly cycle of cutting and regrowing citrus roots near the soil surface and reduced soil erosion, among other benefits. Mowing also allowed a seasonal succession of native plants to flourish, …
Citrus Products Recalled by Packing Facility
Freshouse II, LLC has recalled Valencia oranges, lemons, limes, organic limes and red B potatoes because they have the potential to be contaminated with Listeria monocytogenes. Listeria monocytogenes is an organism that can cause serious and sometimes fatal infections in young children, frail or elderly people, and others with weakened immune systems. The recall was voluntarily initiated after the company’s routine …
Steger Forecast for Florida Oranges
Elizabeth Steger, president of Citrus Consulting International, has forecast Florida’s 2020-21 orange crop at 62 million boxes. That is 8.35 percent fewer oranges than the 67.65 million boxes the state produced last season. [See the final 2019-20 season forecast by the U.S. Department of Agriculture (USDA) here.] Steger has been forecasting the size of Florida’s orange crop prior to the …
Forecast: Europe’s Tangerine Crop to Decline
The European Union (EU) tangerine crop forecast for 2019-20 shows a 14 percent decrease from the previous year, to 2.7 million metric tons (MMT), the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently reported. The expected production is 13 percent lower than the nine-year average production of 3.1 MMT. The FAS reported that the EU has reduced its tangerine …
Spain Pulls Down Europe’s Grapefruit Forecast
A projected decline in Spain’s grapefruit crop in 2019-20 will lead to an 11 percent decline in the all-European Union (EU) grapefruit forecast compared to last season. EU total production is pegged at 96,720 metric tons (MT). Other EU grapefruit-producing countries will increase or maintain production. That’s according to a recent report from the U.S. Department of Agriculture’s Foreign Agricultural …
Oak Leaf Extracts Display Curative Effects Against HLB
As demand increases for a cure to huanglongbing (HLB), experts are studying the most effective ways to control the damaging citrus disease. A research project funded by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is focusing on the effects of oak leaf extracts on CLas-infected citrus trees. CLas (Candidatus Liberibacter asiaticus) is the bacteria the causes …
State of the Lemon Industry in the European Union
The European Union (EU) lemon crop forecast for 2019-20 decreased 16 percent from the previous season, to 1.471 million metric tons, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently reported. The FAS also provided an overview of the EU lemon industry. The overall decline is due to the expected strong production drop in Spain and Italy, the largest …
Orange Forecast and Overview for Europe
The U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently forecast lower orange production for the European Union (EU) this year and provided an overview of the EU industry. EU production is forecast at 6.19 million metric tons (MMT) in 2019-20, almost 9 percent lower than the previous year. Spain, the EU’s primary orange producer, is forecast to have a …
Rootstock Offers High Hopes for HLB Tolerance, Maybe Resistance
The new Sugar Belle hybrid rootstock LB8-9xS13#16 has quite a history, according to University of Florida Institute of Food and Agricultural Sciences citrus breeder Jude Grosser. “This is one of several projects I did with Orie Lee toward the end of his Florida Citrus Hall of Fame career/life,” recalls Grosser. “We did a lot of brainstorming together, and he was …
New Hurricane Guide for Citrus Growers
University of Florida Institute of Food and Agricultural Sciences citrus horticulturist Fernando Alferez and multi-county citrus Extension agent Mongi Zekri co-authored a new document on the U.S. Department of Agriculture’s Hurricane Preparation and Recovery Commodity Guides website. The Citrus Producers Guide includes long- and short-term recommendations for building resilience to hurricanes in citrus groves, nurseries and citrus under protective screens …
New Rootstocks in the Citrus Breeding Pipeline
By Jude Grosser, Fred Gmitter and Kim Bowman Two citrus breeding programs have identified several rootstocks that can currently be planted with confidence when combined with appropriate scions, including mid- and late-season oranges, and grown with emerging enhanced nutrition programs. These citrus breeding programs are at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education …
Florida Grapefruit Decline in Final Forecast
The U.S. Department of Agriculture released the final citrus crop forecast of the 2019-20 season on July 10. The only monthly change in Florida was in the grapefruit crop, which dipped slightly. Here’s a summary of the season’s production by variety and state: ORANGESThe Florida all-orange forecast remained unchanged at 67.65 million boxes, but is down 6 percent from last …
How to Use the New Florida Citrus Rootstock Selection Guide
By Rhuanito S. Ferrarezi, William S. Castle, Kim D. Bowman, Jude W. Grosser, Stephen H. Futch, Steve Rogers and Andres Gonzalez First published in 1989 as Rootstocks for Florida Citrus, the work of William Castle and his colleagues remains relevant 30 years later. The purpose of the fourth edition of the Florida Citrus Rootstock Selection Guide is to provide timely …
Sneak Peek: July 2020 Citrus Industry Magazine
The July issue of Citrus Industry magazine focuses on what’s new in rootstock research. When choosing a rootstock in the Sunshine State, the best place for a grower to start is with the Florida Citrus Rootstock Selection Guide. This newly updated University of Florida (UF) resource now includes an interactive web version to help simplify the process of picking a …
Top Picks From Citrus Variety Display Days
By Yu Wang, Fred Gmitter, Jude Grosser, Joon Hyuk Suh and Peter Chaires The Citrus Variety Display Days at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) have been a unique platform to fulfill one of the core missions of the Florida citrus industry. These events help identify new selections with …
Juice Imports, Fruit Prices and Production Costs
In a recent presentation titled “Juice Imports, Fruit Prices and Cost of Production,” Ariel Singerman provided the price and yield required to break even growing oranges in Southwest Florida. “Average cultural cost of $1,847 requires prices for E&M (early and mid) and Valencias to be $2.31 and $2.01 per pound solids, respectively, just to break even,” the University of Florida …
Summer Tree Care Practices to Improve Fruit Quality and Yield
By Fernando Alferez and Tripti Vashisth As summer approaches and citrus trees bear developing fruit, growers can engage in several practices to improve fruit quality and yield. As temperatures rise and daylength increases, conditions are conducive for enhanced photosynthesis and accumulation of soluble sugars in the fruit. It is important to note that, in general, the temperature is negatively correlated …
June Citrus Forecast Sees Florida Oranges Fall
The U.S. Department of Agriculture released an update to the 2019–20 citrus crop forecast on June 11. ORANGESThe Florida all-orange forecast is 67.65 million boxes, down from May’s 69.65 million boxes. The forecast for Florida non-Valencia orange production remains at 29.65 million boxes. Florida Valencia oranges fell 5 percent to 38 million boxes. The California all-orange forecast is 48.5 million …