The Citrus Research and Development Foundation (CRDF) governing board on Jan. 25 approved a project aimed at reducing fruit drop by using potassium, zinc, gibberellic acid and the herbicide 2,4-D in different timing scenarios. The funding will allow University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Fernando Alferez to finish two years of work that CRDF Chief …
Ezell to Lead Highlands Citrus Growers
Emma Reynolds Ezell will become president of the Highlands County Citrus Growers Association (HCCGA) board of directors during the association’s March 3 annual meeting. Ezell previously served as president in 2015 and has been on the association’s board of directors since 2014. She is involved in both her own and her family’s citrus growing, caretaking and harvesting business. Ezell is …
PIECES OF THE PAST: A Day in DeLand Evokes Citrus History
By Brenda Eubanks Burnette I was recently in DeLand visiting the Stetson Mansion and decided to also visit the West Volusia Historical Society. It was closed, but I came across a bust of Lue Gim Gong in the memorial garden that was dedicated to him, so I looked up the society’s website, www.delandhouse.com, and found some fascinating information. I …
Sneak Peek: February 2022 Citrus Industry
In the February issue of Citrus Industry magazine, Florida growers will find out what diseases to watch for this season. Megan Dewdney’s annual foliar fungal disease round-up reports on what some of the major problems are likely to be in 2022. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist and Extension specialist provides tips on …
Plan Insect and Mite Management for 2022
By Lauren Diepenbrock Insect and mite management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of insect and mite biology in relation to tree phenology, plans to protect fruit and maintain productive citrus trees can be developed. MAJOR PESTSPopulations of some …
OJ Sales Still Strong
Orange juice (OJ) sales remain strong, with the 2021 holiday period closing near 2016 levels, Florida Department of Citrus (FDOC) economist Marisa Zansler told the Florida Citrus Commission on Jan. 19. Total OJ volume movement for the holiday period ending Jan 1, 2022, was 37.9 million gallons, an increase of 2 million equivalent gallons compared to 2019. The gains are …
All In For Citrus Podcast, January 2022
It’s tough to be a citrus grower in Florida right now. In the January All In For Citrus podcast episode, Michael Rogers discusses the challenging environment for growers. Below-average prices and low yields are among the major obstacles. However, the UF/IFAS citrus researchers and Extension agents continue to work hard on behalf of growers, looking for tools they can use …
Preying on Asian Citrus Psyllids and Other Pests
By Jawwad A. Qureshi and Azhar A. Khan The Asian citrus psyllid (ACP), Diaphorina citri, invaded Florida over two decades ago. The need to consistently suppress it became apparent soon after detection and particularly after discovering huanglongbing (HLB) disease, which it spreads. Managing HLB depends strongly on vector control to either reduce disease transmission of healthy trees or reinoculation. Single …
Give Trees a Good Start
Megan Dewdney told citrus growers how to give young trees a good start in the face of HLB. Her Jan. 19 presentation was held at the Citrus Research and Education Center in Lake Alfred, where she is a University of Florida Institute of Food and Agricultural Sciences plant pathologist. Trees need a robust, established structural root system before they are …
Agent Has Pest Management Advice
Highlands County Extension agent Lourdes Pérez Cordero recently offered scouting and management suggestions for citrus leafminers (CLM), Asian citrus psyllids (ACP) and rust mites. The suggestions were part of an article in the January issue of Citrus from the Ridge to the Valley, the Central Florida citrus Extension newsletter. CITRUS LEAFMINERS The emergence of spring and summer flush benefits CLM, …
Flavor Summit Offered Virtually
The Feb. 22–24 Flavor Summit event will now be offered virtually due to concerns about the COVID-19 omicron variant. “We are offering the same level of presentations and plan to have an engaging opportunity with sponsors, exhibitors and students,” said Yu Wang, associate professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and event organizer. “All …
Top Priority: Updating Nutrient Recommendations
By J. Scott Angle, jangle@ufl.edu, @IFAS_VP The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is committed to updating nutrient management recommendations for citrus. For the next two months, that means seeking state funding for the research. The UF/IFAS team was crafting a specific proposal to the Legislature as of this writing. It’s at the very top of …
Lower Supply, Higher Demand and Processed Orange Prices
By Ariel Singerman According to the U.S. Department of Agriculture (USDA), production of processed oranges in Florida will decline again this season (Figure 1). If such a forecast materializes, production will have declined by approximately 80% since HLB was first found in the state. The Florida Department of Citrus reports that, as a consequence of COVID-19, orange juice demand has …
OJ Production in Turkey to Rise
For 2021-22, orange juice (OJ) production in Turkey is forecast at 10,000 metric tons (MT) by the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS). That is higher than the 2020-21 OJ production total of 9,500 MT total, and is in correlation with high production and increasing domestic demands. DEVELOPING MARKETThe amount of oranges sent to processing plants increased to …
Prepare to Get Ahead of Algal Spot
By Megan Dewdney Last summer, I received many calls about algal spot, especially in late June to early July. Algal spot is a disease, caused by the algae Cephaleuros virescens, that occurs mostly on citrus tree limbs. Much of the year it is difficult to see because it is a gray-green color that blends into the color of citrus bark. …
Reducing Psyllid Populations During Key Periods Pays Dividends
By Lukasz L. Stelinskiand Jawwad A. Qureshi Asian citrus psyllids (ACP) are at the mercy of their host (citrus) for survival. They need flush to lay eggs and for the nymphs to develop. Prior to HLB, the majority of flushing had been fairly predictable and occurred in the early spring and late summer. The occurrence of flush in young trees …
Why She Grows Citrus in Georgia
When Lindy Savelle ended her career in federal law enforcement, including stints overseas, she and her husband decided to move back to land they owned in South Georgia. They researched different crops they might grow and settled on citrus. She tells her story in a recent Grower Talks Podcast produced by the Georgia Fruit and Vegetable Growers Association. “Citrus is …
HLB Strategies From Zoom’okalee
In a Jan. 12 virtual Zoom seminar from Immokalee (dubbed “Zoom’okalee” in the presentation), researcher Ozgur Batuman reviewed old and new approaches to controlling HLB. The seminar was titled “Citrus Disease Trends We Should Heed: HLB, Phytophthora and Leprosis.” Batuman works for the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center (SWFREC) …
Coordinated HLB Treatment Critical in California
In an open letter to California citrus growers, Jim Gorden, chair of the Citrus Pest & Disease Prevention Committee, emphasized the importance of cooperation of all growers to keep huanglongbing (HLB) at bay. Growers need to work together to coordinate treatments for maximum effectiveness. “As the threat of HLB continues, industry members know that the best way to prevent HLB …
Paraquat Alternatives for Citrus Weed Control
By Ramdas Kanissery Paraquat is an herbicide labeled for various crops, including citrus, for post-emergent weed control. When applied during the early growth stage, paraquat controls many annual grasses and broadleaf weeds commonly found in Florida citrus. Additionally, paraquat typically offers relatively good crop safety in citrus due to its lack of translocation in the plant. This makes it the …





























