Muhmmad Shahid and Shahid Iqbal recently provided advice on planting cold-hardy citrus in Florida. Shahid is an assistant professor of horticulture/fruit physiologist, and Iqbal is a postdoctoral scholar in horticultural sciences, both at the University of Florida North Florida Research and Education Center. Edited excerpts from their article in the Cold Hardy Citrus Connection follow: BEFORE YOU PLANT Properly planting …
Finger Lime Field Day Draws Mostly Non-Citrus Crowd
Only a few Florida commercial citrus growers were on hand for an April 24 finger lime field day at the Citrus Research and Education Center (CREC) in Lake Alfred. Most of the more than 40 attendees did not own citrus groves, and about half were women — definitely not the standard crowd for a CREC event. Those in attendance had …
Big Yields Expected in Georgia
A December 2022 freeze in Georgia significantly reduced the state’s 2023 citrus production, but many growers anticipate a large crop in 2024. “With less fruit production in 2023, trees added a lot more vegetative growth and increased their canopy volume,” University of Georgia Extension citrus agent Jake Price noted. “The satsuma bloom at the research plot was very large and …
Chilean Citrus Export Expectations
The Chilean Citrus Committee recently estimated that global citrus exports from Chile will total 383,000 tons this season, a 4% decline from 2023. Export declines are projected for clementines, mandarins and oranges. Lemons are the only citrus fruit forecast to have increased export volume this season. The committee forecast clementine export volume of 40,000 tons, which is 35% less than …
California Growers Gear Up for Citrus Thrips Threat
Citrus thrips caused serious problems for many California growers last year. This year, growers appear to be gearing up in case it is another bad season for thrips. “Going into this spring, there’s a lot of eyes on it,” said Colby Campbell, general manager of Cobblestone Fruit. “Everybody’s watching, and I think everybody has made preparations. Guys have called ahead …
Sneak Peek: May 2024 Citrus Industry
Inside the May issue of Citrus Industry magazine, you’ll find photos and coverage from the Florida Citrus Show. The annual grower-focused event was held in Fort Pierce on April 3. A high point of the day was the outdoor trade show of exhibitors serving an array of tailgate-style foods to attendees. Educational programs included a general session on current agricultural …
Investing in New Citrus Plantings in Brazil Can Be Worthwhile
A study by Brazilian citrus consultant Gilberto Tozatti indicated that even under high HLB pressure, but with reasonable prices, it is worth investing in new citrus plantings. Tozatti’s study, presented at the recent International Research Conference on HLB, received support from the Group of Citrus Consultants (GCONCI). Tozatti summarized his presentation: Brazil is the world leader in the production of …
Kaolin and Climate Impacts on HLB Addressed
The impacts of kaolin and climate on HLB in Brazil were among topics addressed by researchers from Brazil’s Fundecitrus during the recent International Research Conference on HLB in Riverside, California. HLB is also known as citrus greening. Researcher Marcelo Miranda discussed results of a study on the use of processed kaolin in low doses to reduce the HLB-spreading psyllid population …
The Effect of Soil pH on Nutrient Availability
By Chris Oswalt Soil pH influences nutrient availability. This article considers the specific fate of nitrogen, phosphorus and potassium in soils with elevated pH values. The discussion also assumes that these effects would be similar to conditions in the wetted zone where micro-sprinkler irrigation has raised soil pH. NITROGEN Soil pH can affect several reactions involving nitrogen in the soil …
All In For Citrus Podcast, April 2024
April was a busy month for citrus events. The Florida Citrus Show was held April 3 in Fort Pierce followed by the Florida Citrus Growers’ Institute in Avon Park on April 9. These events were a topic of discussion between All In For Citrus podcast host Frank Giles and Michael Rogers, director of the University of Florida Institute of Food …
Rigorous HLB Control Works at Brazilian Farm
Fabrício Eustáquio Lanza, research coordinator at Brazil’s Cambuhy Agricola, recently told how his company has kept HLB at low and economically acceptable incidence levels. His presentation at the recent International Research Conference on HLB was based on a report he co-authored with Alexandre Tachibana, Ivan Brandimarte, Antonio Juliano Ayres and Renato Beozzo Bassanezi. The report follows: MANAGEMENT MEASURES Huanglongbing (HLB), …
Evolving Research Priorities for Florida Citrus
Last week, growers convened in Avon Park for the annual Florida Citrus Growers’ Institute. The daylong seminar program provides updates on the latest research in the fight against HLB and other production issues facing growers. Rick Dantzler, chief operating officer of the Citrus Research and Development Foundation (CRDF), presented an update on the organization’s research priorities. He noted that CRDF …
Optimizing Organic Nutrient Sources
By Davie Kadyampakeni The use of certified organic nutrient sources (manures, composts, biochar, biosolids, etc.) should be considered by Florida commercial citrus growers to improve the soil properties and long-term nutrient availability of the predominantly sandy soils. Use of the organic residues could be incorporated in the soil during tillage to plan a new grove or periodically to an existing …
Determining Planting Density
As growers grapple with planting new blocks in the HLB era, there has been considerable discussion about planting densities to optimize growth and yield. John Chater, assistant professor of horticultural sciences with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been working with growers in evaluating new varieties and rootstocks as trees are planted. TRENDING HIGHER …
Florida OJ Has Solid Share of Consumers
A significant portion of consumers are drawn to Florida orange juice (OJ) despite recent economic setbacks, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study shows. “There is an intrinsic value that consumers have for Florida orange juice. When they think of Florida, orange juice is often part of the imagery,” said Marisa Zansler, director of economic …
April Citrus Forecast: Florida Down, Other States Up
The U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) issued a citrus forecast update on April 11. Florida production decreased while other states saw gains. FLORIDA The forecast for all Florida oranges dropped 5% from 19.8 million boxes in the March forecast to 18.8 million boxes in April. The entire 1 million box reduction was in the late-season …
Final Orange Forecast for Brazil’s 2023–24 Season
Fundecitrus and its cooperators published the final orange production forecast on April 10 for the 2023–24 crop season in Brazil’s São Paulo and West-Southwest Minas Gerais citrus belt. The forecast calls for 307.22 million 90-pound boxes of oranges, unchanged from the February forecast. The final forecast by variety is: The season’s production was 2.2% lower than the prior year’s crop …
Nominations Needed for Florida’s Citrus Administrative Committee
The U.S. Department of Agriculture (USDA) is seeking nominees for 10 grower members and 10 alternate members for the Citrus Administrative Committee (CAC). The committee is also accepting nominations for a public member and public alternate. Nominations will be accepted through April 16. Voting will take place April 23 at a nomination meeting via Zoom. The CAC administers a federal …
Factors That Impact Control of Citrus Leprosis
Several factors can influence the period of citrus leprosis control after acaricide applications, according to a study by Daniel Andrade, a professor and researcher from São Paulo State University in Brazil. The research aimed to better understand how these factors can affect and increase the leprosis control period. “We studied acaricides, the moment of application of the acaricide, the presence …
Georgia Growers Now Voting on Citrus Commission Funding
Through April 30, Georgia citrus producers are voting in a referendum to determine if they will fund the newly formed Georgia Citrus Commission. If growers pass the referendum, the state will begin collecting an assessment from citrus growers to carry out research, education and promotion projects coordinated by the commission. The commission consists of Georgia citrus growers. At the request …





























