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 …
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 …
UCR Scientists Say New Peptide Could Control HLB
According to a news article released by the University of California Riverside (UCR), scientists there have found a substance which may be capable of controlling citrus greening disease. The disease, also known as huanglongbing (HLB), has devastated citrus in Florida and in other regions worldwide. It also threatens California crops. The article says the new treatment effectively kills the bacterium …
HLB Update for North Florida, South Georgia
Since 2018, there have been no huanglongbing (HLB) finds in commercial citrus groves in North Florida, and there have still been no disease detections in Georgia groves. In North Florida, HLB was detected in groves in Live Oak in Suwanee County and Perry in Taylor County in 2018, reported Xavier Martini, a University of Florida Institute of Food and Agricultural …
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 …
Citrus Professor Awarded by UF/IFAS Extension Peers
Water is essential to citrus growers. They scrutinize the amount available, its quality and when and how they should use it to grow their trees and sustain their livelihood. Soil and water sciences assistant professor Davie Kadyampakeni works tirelessly with Florida citrus growers to ensure that they have access to the most current research in water use and soil nutrient …
Psyllids May Give a Year’s Warning of HLB
Although huanglongbing (HLB) disease was detected in Florida citrus in 2005, the HLB bacterium wasn’t found in Texas until 2011, when scientists detected it in Asian citrus psyllids (ACP). The disease wasn’t found in Texas citrus trees until 2012, suggesting that the HLB-spreading psyllids may be used for early detection of the pathogen in newly invaded areas. Factors influencing the spread …
Battling the Bacteria Inside Psyllids
Kirsten Pelz-Stelinski, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor, recently discussed her research on bacteria associated with Asian citrus psyllids. This includes endosymbiotic bacteria that live inside of psyllids as well as the liberibacter that causes citrus greening disease. Her research is looking at how these microorganisms can be targeted inside the psyllid to reduce …
June Citrus Forecast Sees Florida Oranges Fall
The U.S. Department of Agriculture released an update to the 2019–20 citrus crop forecast on June 11. ORANGESThe Florida all-orange forecast is 67.65 million boxes, down from May’s 69.65 million boxes. The forecast for Florida non-Valencia orange production remains at 29.65 million boxes. Florida Valencia oranges fell 5 percent to 38 million boxes. The California all-orange forecast is 48.5 million …
HLB Brings Nutrition Guideline Changes
An updated nutrition guide from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) provides new information for properly fertilizing HLB-impacted trees. Nutrition of Florida Citrus Trees, 3rd Edition was updated by researchers Kelly Morgan and Davie Kadyampakeni. Morgan, director of the Southwest Florida Research and Education Center, says growers have been requesting an update of the guide …
Technology Helps Growers Count Citrus Trees
In his quest to find the right drone and other artificial intelligence to help ensure citrus growers get an accurate count of their crop, Yiannis Ampatzidis and his research team have developed a system known as Agroview. The technology saves farmers time and money and helps them accurately count their trees, which is important for insurance purposes. The latest results …
COVID-19 Hurts Texas Citrus
The COVID-19 pandemic that reduced food-service sales nationwide took a toll on some Texas citrus growers this season. MARKET DISRUPTION“Schools and restaurants make up a significant percentage of sales for Texas citrus,” said Dale Murden, a grower and president of Texas Citrus Mutual. “Whether it’s fresh or juice, the loss of those markets definitely hurt.” At least in part because of the …
Research Pushes Forward in COVID-19 Era
As Florida moved to “safer at home” measures, not all University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research projects could be put on pause. There are living plants, animals and insects to feed and maintain. Some projects have regular monitoring procedures for which postponement could have broader environmental consequences. “We are very proud of our faculty, staff …
Reduce Fruit Drop, Increase Yield
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus scientists Tripti Vashisth and Fernando Alferez are trying to reduce the amount of fruit drop from Hamlin and Valencia trees prior to harvest. If fruit drops, growers can’t harvest it, and that leads to losses for farmers and less fruit at the market for consumers. Normally, about 10 to …
Box Tax Could Increase for Florida Oranges
Florida citrus officials are taking another look at raising a tax on growers as they wait to see if a legislative boost in marketing dollars becomes a victim of the coronavirus. The Florida Citrus Commission (FCC) on May 20 directed staff members to include in a budget proposal due in June the impacts of raising from 7 cents to 12 …
Video in Spanish on HLB Best Practices
The California Department of Food and Agriculture (CDFA), through its Citrus Pest & Disease Prevention Program, has developed a mobile-friendly, Spanish-language training video. It’s for use by field crew supervisors and farm labor contractors prior to harvest. The new tool trains industry managers and workers, including field crews, with best practices to prevent the spread of the Asian citrus psyllid …
Coming Attraction: Florida Finger Limes
Sweet oranges. Ruby red grapefruit. Sugar Belle mandarins. When one thinks of Florida citrus, these fruits immediately come to mind. But finger limes? A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher believes that finger limes may be the next food trend that will continue to fortify Florida’s role as a citrus producer for the world. Manjul …
UF/IFAS Welcomes New Entomologist
In mid-April, Tolulope Morawo began a new position as an assistant professor of entomology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) in Fort Pierce. He joins UF’s statewide effort to protect crops and natural environments with integrated pest management (IPM) strategy. In 2017, Morawo completed his doctorate degree …
Brazil Expects Much Smaller Orange Crop
Brazil released its first orange crop forecast for the 2020-21 season on May 11. According to a report published by Fundecitrus and its cooperators, 287.76 million boxes are expected for the season for the São Paulo and West-Southwest Minas Gerais citrus belt. The projected figure is 25.6 percent smaller than the previous crop of 386.79 million boxes, and 12.5 percent …
Citrus Scientist Succeeds at Working From Home
University of Florida scientist Christopher Vincent is used to working with the unknown to learn new grove management practices. As a University of Florida Institute of Food and Agricultural Sciences plant physiologist, Vincent works to discover how citrus trees can thrive under stressful conditions. Now, during the coronavirus stay-at-home recommendations, he’s applying those skills in a whole new experience — …





























