An Asian citrus psyllid (ACP) sample has been confirmed positive for Candidatus Liberibacter asiaticus (CLas), the bacteria that causes huanglongbing (HLB). The sample was collected from a commercial citrus grove in the Woodcrest area of Riverside County. Confirmed by Citrus Research Board’s Jerry Dimitman Laboratory, this single adult psyllid is the first CLas-positive ACP found in a commercial citrus grove …
Mexfly Quarantine Reduced in Texas
The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) in late July removed the Mexican fruit fly (Mexfly) quarantine area in Lasara, Texas. Lasara is in Willacy County. The quarantine in Lasara had been established in January. The agencies had restricted interstate movement of regulated articles from the area to …
The Future Faces of Florida Citrus
Meet the four students who received the FMC Citrus Ag Production Scholarships. By Tacy Callies The FMC Citrus Ag Production Scholarships (CAPS) program, a partnership between AgNet Media and FMC, was created to support Florida citrus production and encourage interested youth to pursue careers in citrus. Two University of Florida students and two Florida Southern College students each were awarded …
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 …
Sneak Peek: August 2020 Citrus Industry
The August issue of Citrus Industry is traditionally the Citrus Expo issue. While the Citrus Expo tradition continues this year, it will be in a new format. Due to coronavirus, the event will be virtual. Growers will still have the opportunity to see seminars and network with vendors. In the August issue, you’ll find the citrus, vegetable, specialty crop and …
Rootstock and Scion Affect Orange Juice Flavor
By Yu Wang, Fred Gmitter and Jude Grosser A major concern for the citrus industry is a significant decline in production due to huanglongbing (HLB). In addition to the production shortfalls are losses due to fruit rejection by packinghouses and juice processing plants as a result of inadequate size and low sugar content. Bitterness and metallic off flavors in the …
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 …
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 …
Citrus Expo: New Format for Educational Sessions
While coronavirus will prevent the citrus industry from gathering this year at Citrus Expo, it will not stop growers from getting the education they need. The 2020 Citrus Expo educational program will be held live online Aug. 19–20 and will include door prizes. If you’re lucky, you could walk away with one of four $200 Bass Pro gift cards! The …
Massive Research Project in Millennium Block
Researchers at the resurrected Millennium Block at Fort Pierce will assess the performance of new grapefruit cultivars and evaluate numerous rootstocks in the face of HLB. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Rhuanito “Johnny” Ferrarezi discusses the history of the block and research planned there. The block is called Millennium because some researchers planted variety …
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 …
IRCL Names President, Discusses Grove Trial
The Indian River Citrus League (IRCL) recently named a new president and provided an update on a large grapefruit trial. The new IRCL president is Daniel Scott. He succeeds Pat Schirard, who served two terms. Before being selected president, Scott served as chairman of the IRCL production committee. Scott is a third-generation citrus grower and is vice president of Scott …
Who Needs Grower Compliance Agreements?
Several growers recently asked the Highlands County Citrus Growers Association (HCCGA) if they need to sign a Grower/Caretaker Compliance Agreement (CA) they received from the Florida Department of Agriculture and Consumer Services (FDACS). HCCGA Executive Director Ray Royce’s answer is essentially yes. He says state law requires all citrus growers and caretakers of 40 or more trees to sign a …
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 …
Lebbeck Mealybug Management Update
An update on lebbeck mealybug, a relatively new pest of Florida citrus, was provided recently by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock. Diepenbrock, who works at the Citrus Research and Education Center, prepared the presentation for the April Florida Citrus Growers Institute, which was canceled due to COVID-19. Lebbeck mealybug was found in …
Growers Get Details on CRAFT Cycle Two
Approximately 60 people learned how to participate in Cycle Two of the Citrus Research and Field Trial (CRAFT) program via a virtual workshop held June 23-24. The application period for Cycle Two will be July 20 to Sept. 4, 2020. CRAFT offers growers substantial financial incentives to plant new trees that will be raised utilizing specific HLB mitigation strategies. Participating …
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 …
Certis USA Continues Citrus Research Support
For the fourth consecutive year, Certis USA has donated $20,000 to the Citrus Research and Development Foundation (CRDF) to help fund the non-profit’s research aimed at finding a cure for huanglongbing (HLB; citrus greening). The company’s successful “Certis for Citrus” program utilizes sales from their top citrus products to annually support CRDF’s mission. The donation came during CRDF’s board meeting …
Top Picks From Citrus Variety Display Days
By Yu Wang, Fred Gmitter, Jude Grosser, Joon Hyuk Suh and Peter Chaires The Citrus Variety Display Days at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) have been a unique platform to fulfill one of the core missions of the Florida citrus industry. These events help identify new selections with …
CRDF Sets Tax, Discusses Research Plans
The grower assessment to help fund Citrus Research and Development Foundation (CRDF) programs will remain at 3 cents per box for the 2020-21 season. CRDF directors, sitting June 23 as the Box Tax Advisory Council, approved the assessment on commercial citrus grown in Florida. “We don’t take for granted that we’re entitled to that money,” CRDF Chief Operating Officer Rick …