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 …
UF/IFAS Available to Help Growers
Grower meetings have been curtailed due to COVID-19, but Extension agents and specialists with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are available to assist growers needing in-person help. “We do have the ability to get out and travel and come see folks,” says Citrus Research and Education Center (CREC) Director Michael Rogers. “If there are …
Growing Finger Limes in Florida: Lessons Learned So Far
By Manjul Dutt and Jude Grosser Finger lime, a distant relative of sweet orange and grapefruit, is a relatively new crop species for Florida. It is an Australian native species that has been gaining in popularity and importance in the last few years because of its unique fruit characteristics and disease tolerance, which sets it apart from conventional sweet orange …
Snails Posing Problems in Florida Groves
A snail causing problems in Highlands County and South Florida groves “appears to be popping up all over the state,” said entomologist Lauren Diepenbrock. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher identified the snails as Bulimulus sporadicus. “It was first documented in Florida in 2009,” Diepenbrock said. “Citrus is not the only crop to be …
All In For Citrus Podcast, July 2020
July’s All in For Citrus podcast episode focuses on online educational opportunities for growers as in-person events continue to get canceled due to COVID-19 restrictions. Citrus Research and Education Center Director Michael Rogers begins the program with an update on the phased reopening of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Rogers says more researchers are …
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 …
A New Baseline for Orange Juice Sales
A new webinar presentation from the Florida Department of Citrus (FDOC) Economic and Market Research Department shows that U.S. orange juice (OJ) retail sales continue to remain up. A data source for the webinar is the FDOC Nielsen Topline Report #10 of the 2019-20 Season for the four-week period ending July 4, 2020. According to Marisa Zansler, director of FDOC’s …
APHIS Annual Report Highlights Citrus Efforts
The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) recently released an annual report titled “Plant Protection and Quarantine: Helping U.S. Agriculture Thrive — Across the Country and Around the World.” The document includes updates on efforts to manage citrus diseases. “PPQ (Plant Protection and Quarantine) stands shoulder-to-shoulder with citrus growers to combat citrus canker, huanglongbing (HLB …
Growers Urged to Continue HLB Best Practices
The University of California, Riverside (UCR) recently released information regarding a promising new treatment for huanglongbing (HLB) and the Asian citrus psyllid that “effectively kills the bacterium causing the disease with a naturally occurring molecule found in wild citrus relatives.” While this news has exciting potential, UCR and California Department of Food and Agriculture scientists agree that growers should continue …
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 Book on the Asian Citrus Psyllid and HLB
A book about the Asian citrus psyllid (ACP) and huanglongbing (HLB), edited by Jawwad Qureshi and the late Phil Stansly, was recently published by the Center for Agriculture and Biosciences International (CABI). Qureshi is an entomologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS); Stansly was also a UF/IFAS entomologist. The book is Asian Citrus Psyllid: …
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 …
Hemp: Finding Legal Seeds and Insurance
The Florida Hemp Association recently clarified which seeds can be legally grown under Florida law and Florida Department of Agriculture and Consumer Services (FDACS) rules. Growers must use either a seed approved by the Association of Official Seed Certifying Agencies (AOSCA) or a Pilot Project Hemp Seed approved though a university pilot project, the association reported. AOSCA is an organization …
Rootstock Effects on Valencia and Hamlin in Large-Scale Commercial Plantings
By Ute Albrecht, Sudip Kunwar and Jude Grosser Prior to 1865, the only rootstocks used in Florida were sour orange and sweet orange. Use of grafted trees instead of seedling trees became necessary because of the devastating effects of phytophthora on sweet orange. Sour orange was widely used as a rootstock because of its resistance to phytophthora and other positive …
International Efforts to Market Florida Citrus
Samantha Lane, Florida Department of Citrus (FDOC) director of global marketing, recently discussed international marketing highlights for Florida citrus products during the 2019-20 season. CANADAIn Canada, highlights included fresh Florida orange programs with juicing demos in Ontario grocery stores. The programs resulted in a sales increase. Issues management work took place to educate registered dietitians on the health benefits of …
Tools to Protect Young Trees From HLB Being Studied
While citrus growers continue to look for the best practices to fight the deadly huanglongbing (HLB) disease, researchers are taking an integrated approach at protecting young trees by using tools growers already have access to. “In Florida and pretty much every citrus-producing area, we’ve been doing a lot of replanting or resets,” says Lauren Diepenbrock, an assistant professor of entomology …
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 …
Florida Department of Citrus: A Year in Review
Last week, the Florida Department of Citrus (FDOC) held a live webinar to present highlights from the 2019–20 fiscal year. Areas covered included budgets, scientific research, marketing and economic market research. This past year has been one of change, transformation and success for FDOC, as it has worked in collaboration with industry to meet the needs of both growers and …
UF/IFAS in Labs, at Citrus Expo and More
In the latest phase of COVID-19 re-openings, more citrus researchers have returned to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) laboratories. Citrus Research and Education Center (CREC) Director Michael Rogers says the number of researchers allowed in labs had been gradually increasing throughout the pandemic. Rogers also discusses an award won by a CREC researcher, work on …





























