By Marisa L. Zansler One-hundred percent orange juice (OJ) has long been a favorite in American households, but supply challenges, changing consumer behaviors, a crowded beverage category and higher prices have impacted how much OJ consumers buy. Recent research conducted by Sungeun Yoon sheds light on consumer price sensitivity and substitution behaviors within the category, offering actionable insights for growers, …
Greening-Resistant Orange Tree Research Progresses
Researchers with the French Agricultural Research Centre for International Development (CIRAD) recently visited Brazil to discuss cooperative efforts with Fundecitrus to develop greening-resistant orange trees. The CIRAD researchers were Raphaël Morillon and Bárbara Hufnagel. CIRAD is an agronomic research and international cooperation organization for the sustainable development of tropical and Mediterranean regions. CIRAD maintains a large citrus genomic database on …
Fundecitrus Researchers Visit Australia on Greening Mission
Fundecitrus researchers Juan Arenas, Mônica Neli Alves and Sílvio Lopes recently participated in the Conference of the International Organization of Citrus Virologists in Mildura, Australia. Alves discussed research conducted by Fundecitrus exploring the use of species in the genetic improvement of citrus trees resistant to greening. Lopes presented a comparative overview of greening and citrus variegated chlorosis, two of the …
Florida Southern College’s Malcolm Manners to Retire
Malcolm Manners, Florida Southern College (FSC) professor of citrus science and coordinator of the citrus and horticultural science program, will soon retire after 44 years at the college. Manners’ fascination with plants and horticulture started at a young age. “My parents were always gardeners, and I’ve had an interest in plants my whole life,” he said. After earning a bachelor’s degree …
Trade Imbalance Impacting Citrus Industry
The citrus industry is not immune to the trade imbalance that is impacting the ag industry across the United States. From 2000 to 2013, the United States exported more citrus than it imported. However, the imbalance began in 2014 and worsened every year through 2023, equating to a deficit of 26 million boxes. The staggering statistics are reflective of the …
Global Orange and OJ Production Forecast
Global orange production is forecast to decline in 2024–25 by the U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS), but orange juice (OJ) production is expected to increase. ORANGES Production of global oranges is forecast down 662,000 tons to 45.2 million tons. Higher production in Brazil is expected to be more than offset by lower crops in Egypt, Türkiye and …
Mechanical Harvesting Highlighted at Demo Citrus
A citrus mechanical harvesting demonstration and a discussion of Brazilian citrus farming were among presentations at Demo Citrus 2025, held in Seville, Spain in late January. Harvest+ demonstrated a robot harvesting oranges. Harvest+ is a consortium of Fundecitrus, Move Agro and the Andalusian Institute for Research and Training in Agriculture, Fisheries, Food and Organic Production in partnership with Pek Automotive. …
Positive Gains for Mexican Orange and OJ Production
The U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS) recently forecast that Mexican orange and orange juice (OJ) production will both increase slightly in 2024–25. ORANGES Orange production is forecast at 5.05 million metric tons (MMT), 2% more than the previous season. Mexico ranks fourth worldwide in the production of oranges with 10% of total production. It trails only Brazil, …
Orange Production in Chile
Orange production in Chile is projected to increase by 2.2% and total 190,000 metric tons (MT) in 2024–25, according to a U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) report. The projected production increase is based on expected high yields and a 1.4% growth in area planted to 7,300 hectares. ACREAGE EXPANSION The area planted with oranges in Chile …
Turkish Citrus Production to Plummet
Production of all citrus varieties in Türkiye in 2024–25 is forecast to decline, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. ORANGES Orange production is projected to decline 30% from the prior year to 1.6 million metric tons (MMT). The decline is due to excessive hot weather conditions during the blooming period in spring 2024. Yield per …
China Has Changes in Orange and OJ Production
China, the world’s largest citrus producer, is forecast by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) to produce 7.62 million metric tons (MMT) of oranges in marketing year 2024–25. That’s a slight reduction from prior year production of 7.63 MMT. A range of weather-related issues is threatening orange production, including persistent rain in April and May that …
Weathering the HLB Storm
Specialty crop growers might be aware of the disease sweeping through Florida’s citrus industry. Its impact has been tremendous and has tested the survival of the state’s signature crop. This year will mark the 20th anniversary of the official confirmation of citrus greening disease (also known as huanglongbing or HLB) in Florida. In the past two decades, the state’s output …
Planting Layout Reduces HLB-Spreading Psyllids
A Brazilian study has shown that planting citrus plots parallel to the property boundary reduced HLB-spreading psyllids 12% to 23% compared to plots planted perpendicular to the property boundary. Fundecitrus conducted the study. The São Paulo Research Foundation co-financed it in partnership with Embrapa. Another study conclusion is related to the impact of planting density on border plots. Fundecitrus researcher …
Fundecitrus Researchers Participate in International Citrus Conference
Researchers with Brazil’s Fundecitrus discussed HLB-related topics at the recent 15th International Citrus Conference in South Korea. Fundecitrus’ Franklin Behlau participated in the section of papers related to HLB, also known as citrus greening disease. Most of the papers provided updates on the disease situation in different locations, including Florida, China, India, Nepal, Indonesia, Iran and Brazil. Behlau discussed the …
Fundecitrus Signs Agreement Seeking HLB Solutions
Nelson Wulff of Fundecitrus recently signed a technical cooperation agreement between Fundecitrus and the National Center of Genetic Resources (Cenargen/Embrapa) for a project to develop biotechnological solutions for HLB. Wulff, coordinator of the Fundecitrus Biotechnology and Diagnostics Laboratory, signed the agreement at the 50th anniversary ceremony of Embrapa Genetic Resources and Biotechnology in Brazil. Embrapa Genetic Resources and Biotechnology has …
Adams, Graham and Richey to Join Hall of Fame
The late Charles W. Adams, James H. “Jim” Graham and Daniel R. “Dan” Richey will be inducted into the Florida Citrus Hall of Fame March 28, 2025. ADAMS Adams (1879–1945) was a partner in Adams Packing Association and Growers Fertilizer Corporation. He impacted the citrus industry with his progressive ideas for growth. Adams moved from Michigan to Florida in 1911 …
All In For Citrus Podcast, November 2024
In November, academia from around the world gathered in Jeju, Korea, for the 2024 International Citrus Congress. A contingent of researchers from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) attended the event. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, was among the attendees. He discusses the trip in the November episode of …
Florida Citrus Outlook for the 2024–25 Season
The expected utilization of Florida’s 2024–25 citrus crop was the focus of economist Marisa Zansler’s Florida Citrus Outlook presentation to the Florida Citrus Commission (FCC) in October. Zansler is director of economic and market research for the Florida Department of Citrus (FDOC). Before discussing expected utilization by varieties, Zansler pointed out that her outlook was based on the U.S. Department …
Top Pruning Evaluated as HLB Strategy
A Brazilian study evaluated the effects of top pruning on orange trees located on the edges of an orchard as part of an HLB management strategy. The pruning was an attempt to attract the HLB-spreading psyllid from external areas to the orchard edges and control it, reducing its dispersion into the orchard. Fundecitrus and Embrapa Cassava and Fruits conducted the …
The Florida Citrus Perfect Storm: Disease, Weather and Market Swings
By Ariel Singerman Orange yield in Florida has decreased by more than 80% since HLB was first found in the state in 2005. It is hard to find another example in recent history of an industry as iconic as Florida citrus that has declined so significantly as a consequence of a plant disease. As a comparison, at the global level, …





























