A new report on European Union (EU) citrus by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) includes a broad overview of the continent’s industry. Production expectations, the impact of Russia’s invasion of Ukraine, acreage and trade are addressed in the report. PRODUCTION REDUCTIONTotal European Union (EU) citrus production in 2022–23 is projected to total 10.4 million metric …
Update on the Cold-Hardy Citrus Region
By Danielle Sprague Williams In North Florida and South Georgia, there has been a significant growth in citrus production due to the relatively mild winters, advances in freeze protection and cold-hardy citrus varieties. In addition to this, there is a relatively low incidence of the citrus greening pathogen and its vector, the Asian citrus psyllid. Due to these factors, many …
Chilean Citrus Industry Suffers Freeze Damage
The president of Fedefruta (Federation of Chilean Fruit Producers), Jorge Valenzuela Trebilcock, is receiving testimony from farmers affected by damaging frosts. The frosts have spread through various productive areas of fruit and vegetables and have lasted much longer than normal. They have caused damage that is not yet quantifiable to avocados, lemons, oranges, tangerines and avocados. “The frosts have been …
No Perfect Tree Spacing for Multiple Objectives
Looking for the perfect tree planting density to meet all of your objectives for citrus fruit quality and yield? That may not be possible, University of California Cooperative Extension’s Craig Kallsen said in a recent talk about planting density’s impact on navel orange yield and quality. The citrus and pistachio farm advisor for Kern County gave the example of a …
South Africa Citrus Estimate Higher Than Last Year
The latest estimate for the South Africa citrus crop in 2023 is 165.6 million cartons. This is 800,000 more cartons than last year, The Vanguard International Group recently reported. Vanguard stated that two commodities — lemons and mandarins — have emerged over the past few years. Lemons have witnessed a significant surge in plantings. There are approximately 8,000 hectares of …
Millennium Block and MAC Project Updates
Hurricanes Ian and Nicole in 2022 caused early fruit drop in the Indian River area, where two studies of 39,000 trees that might tolerate HLB are being conducted. Researchers now expect significant data from the studies will come after the 2023, 2024 and 2025 season harvests, but they have already gained some insights from the projects. The first experimental grove, …
Cold-Hardy Citrus Production and Challenges
By Maegan Beatty Cold-hardy citrus is grown across a few thousand acres in more than 16 counties in North Florida and South Georgia. The satsuma mandarin is a cold-hardy species that has been grown throughout North Florida since the 1800s. The fruit is typically medium sized, a reddish orange color and can produce the highest quality in cooler winters and …
Indian River Center to Add Citrus Researcher
Brazil native Flavia Zambon will become assistant professor of production horticulture of citrus and other tree crops at the Indian River Research and Education Center (IRREC) in November. The IRREC, located in Fort Pierce, is a branch of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Zambon has had years of research experience in all of Florida’s …
U.S. Citrus Concerns Summarized
American Farm Bureau Federation economist Daniel Munch recently detailed concerns about the U.S. citrus industry in a report titled U.S. Citrus Production – An Uphill Battle to Survive. Excerpts providing an overview of those concerns follow. Once leaders in citrus crop production, U.S. growers (particularly those in Florida) have faced numerous challenges that have led to an unfortunate decline in …
IPCs and Citrus Varieties
By Fernando Alferez Five years of University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) data in trials across the state have shown that individual protective covers (IPCs) are effective in preventing HLB until they are removed. This has been shown in sweet orange varieties such as Valencia and Hamlin. In these varieties, it has been demonstrated that the …
Can Brassinosteroids Help Citrus Cope With Disease and Extreme Weather?
By Fernando Alferez and Muhammad A. Shahid Brassinosteroids (BRs) are a natural group of hormones that regulate physiological and biochemical attributes that include seed germination, flower development, root formation and resistance to various abiotic and biotic stresses. BRs have shown promise in reducing pests and diseases in a wide range of plants, including citrus. A commercial formulation of BRs has …
CUPS Irrigation and Fertilization for Grapefruit
By Rhuanito S. Ferrarezi and Mark A. Ritenour Citrus under protective screen (CUPS) is a modern production system that excludes the Asian citrus psyllid and, consequently, the devastating disease citrus greening (huanglongbing or HLB) from plants cultivated in screenhouses. A recent study investigated the effect of different irrigation management strategies on fruit yield and quality of grapefruit grown in CUPS. …
Sweet New Discoveries Open Up Opportunities for Citrus Industry
By Xixuan Tang, Yu Wang, Fred Gmitter and Jude Grosser Citrus fruits and juices are commonly consumed worldwide due to their health benefits and flavor. However, recent trends in reducing carbohydrate intake have raised concerns from consumers about citrus products because of their relatively high levels of sugar content. This concern discourages repeat purchasing and consumption of citrus fruits and …
Freeze Had Greatest Impact on Young Trees
Lindy Savelle, president of the Georgia Citrus Association, and other industry leaders continue to preach to growers the need to diversify their crop portfolios. The Christmas freeze event that ravaged production in the Southeast last December should not be a deterrent for farmers hoping to produce citrus other than satsuma mandarins. Yes, non-satsuma citrus trees were impacted more by the …
Crop Insurance Deadline Nears
The final date to apply for Florida citrus tree and fruit crop insurance coverage for the 2023 crop year is April 15. Current policyholders who wish to make changes to their existing coverage also have until the April 15 to do so. Federal crop insurance is critical to the farm safety net, according to the U.S. Department of Agriculture’s Risk …
Legislation Passes for Georgia Citrus Commission
Georgia citrus farmers and industry leaders scored a legislative victory on Monday when the state Senate overwhelmingly passed the proposal to start a Georgia Citrus Commission. The win for the industry will come when Gov. Brian Kemp signs it into law. The legislation states, “There shall be an Agricultural Commodity Commission for Citrus Fruits established on July 1, 2023.” The …
The Seasonal Satsuma Bottleneck
The short timeframe for satsuma mandarins to be harvested and sold in the fall created a bottleneck of supply around the Thanksgiving holiday in 2022. An excess supply led to a challenge for growers attempting to sell their fruit when demand diminished, according to Kim Jones, who grows and packs citrus in Florida and Georgia. “The week of Thanksgiving when …
Citrus in the Home Landscape Initiative Launched
After HLB disease was first found in Florida in 2005, many people were discouraged from growing citrus in their home landscapes. There were no citrus recommendations tailored for home gardeners in the HLB era. Now, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has responded to home gardeners who want to plant citrus trees again. Researchers are …
Benefits of Increasing Citrus Hybrids in Orange Juice
Allowing citrus hybrids with certain criteria in orange juice (OJ) was one of several issues addressed in a recent workshop about potential changes to OJ’s standard of identity. Peter Chaires, executive director of the New Varieties Development and Management Corp., discussed benefits of increasing the hybrid allowance in OJ. Chaires presented a consumer study of juices conducted by University of …
OJ Standard of Identity Discussed
No action was taken after numerous speakers discussed potential changes to the standard of identity for orange juice (OJ) at a March 1 public workshop. Taking place at Florida Citrus Mutual (FCM) headquarters in Bartow, the workshop was titled “Continuing the OJ Standards Conversation.” FCM Executive Vice President and Chief Executive Officer Matt Joyner offered background on the standard of …





























