This fall, many Florida citrus growers are experiencing heavy fruit drop, some even up to 50 percent. Tripti Vashisth, assistant professor of horticulture at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, recently spoke on this topic. She discussed fruit drop during the first presentation of the new UF/IFAS OJ Break meeting …
Growers’ Input on Pests Needed
Entomologist Lauren Diepenbrock is seeking Florida citrus growers’ help in determining information gaps and future directions for her research on pests. To get that help, she’s asking growers to participate in a survey, which is available here. Diepenbrock, a University of Florida Institute of Food and Agricultural Sciences researcher, would like to have growers take the survey by March 31, …
Flower Bud Advisories Have Resumed
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has resumed providing growers with regular flower bud advisories now that the critical time for citrus grove management has begun this season. Tripti Vashisth, UF/IFAS assistant professor, restarted the advisories Nov. 23 and will continue providing them every other week through the spring. The advisories provide critical information about …
UF/IFAS Collaborates on HLB Research
Several University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty are collaborating with other universities and organizations on research, especially for HLB. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center (CREC), summarizes the work they are doing on a variety of grant-funded projects. Rogers starts with a U.S. Department of Agriculture (USDA)-funded project led by …
Five Years of Fresh Fruit Production in CUPS
By Arnold Schumann, Laura Waldo, Napoleon Mariner and Timothy Ebert According to the U.S. Department of Agriculture (USDA), Florida grapefruit production for the 2019–20 season was only 12 percent of the production recorded in 2003–04, prior to the arrival of huanglongbing (HLB) disease in the state. A major goal of the University of Florida Institute of Food and Agricultural Sciences …
Genome Sequencing and Other UF Research
Michael Rogers discusses the importance of the recent sequencing of the trifoliate orange genome by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers and others. He also tells how growers can learn more about UF/IFAS research funded by the Florida Legislature. Rogers is director of the UF/IFAS Citrus Research and Education Center (CREC) in Lake Alfred and …
Boosting Citrus Tree Immunity to Combat HLB
By Manjul Dutt, Juliana Soares and Jude Grosser Land plants such as citrus are generally anchored to a specific location by their roots. Owing to their immobile nature and constant exposure to pathogenic microbes, plants are very vulnerable. However, you might be surprised by how much plants can protect themselves and survive against multiple adversities encountered during their lifetime. A …
UF/IFAS Gets $4.5M to Continue HLB Fight
Three teams of scientists from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently received nearly $4.5 million in U.S. Department of Agriculture (USDA) funds to study new ways to manage HLB. The funding is part of the $45 million in grants the USDA National Institute of Food and Agriculture’s Emergency Citrus Disease Research and Extension Program …
All In For Citrus Podcast, October 2020
An exciting development with genome sequencing, timely research in the face of COVID-19 and an update on sting nematode research headline October’s All In For Citrus podcast. Citrus Research and Education Center Director Michael Rogers details the benefits of recent news about the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) mapping the trifoliate orange genome. He says …
CTV Technology Getting Closer to Growers
Including recent news about a peptide derived from finger limes, researchers have found many compounds over the last several years that could help growers manage or even fend off huanglongbing (HLB) disease. University of Florida Institute of Food and Agricultural Sciences Research Assistant Scientist Choaa El-Mohtar and his team have developed a new way to see how compounds can possibly …
Understanding the Fate and Persistence of Herbicides in Soils
By Ramdas Kanissery, Rachel Fenn, Biwek Gairhe and Davie Kadyampakeni Chemical weed control, using herbicides to manage weeds, is an important production practice in citrus groves. Herbicides applied in groves can end up in the soils from direct spray hits, indirect or non-target spray movement (also known as drifts) or release from the dead weeds and vegetation. In soil, the …
Phytophthora Root Rot Management
By Evan G. Johnson As September winds down, the fall root flush is starting and will continue through November/December. This is the largest root flush of the year that stores carbohydrate reserves for next spring. Coming out of the rainy season, phytophthora has had the chance to build up plenty of inoculum, especially in groves with a history of root …
UF’s High Ranking Can Aid Citrus Research
U.S. News & World Report recently ranked the University of Florida (UF) the sixth best public university in the United States. Michael Rogers, director of the Citrus Research and Education Center (CREC), tells how a high ranking for UF can benefit Florida citrus. “This (the ranking) really attracts a lot of opportunities for the university,” Rogers says. He points out …
Genetics and Nutrition Are the ‘Way Forward’
“The combination of improved scion/rootstock genetics and optimized nutrition is clearly the way forward” for Florida’s HLB-stricken citrus industry, Jude Grosser declared in a Florida Citrus Growers’ Institute virtual presentation. Grosser is a University of Florida Institute of Food and Agricultural Sciences plant breeder. The Growers’ Institute is normally held in April but was cancelled this year due to COVID-19. …
New Economic Reports for Florida Citrus
By Ariel Singerman Four reports summarizing Florida citrus industry survey-collected data during the 2019–2020 season are available at https://crec.ifas.ufl.edu/economics/. The reports include the average cost of production for processed oranges, harvesting charges, custom rate (or caretaking) charges and packing charges. The estimates presented in those reports, as well as those available for previous seasons, document the changes in the industry …
UF/IFAS Citrus Website Greatly Improved
In the past, the citrus team at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has heard some complaints about its Citrus Research and Education Center (CREC) website. When it asked growers what information they needed, “the feedback we got was that it’s really hard to find information on our website,” says Michael Rogers, director of the …
All In For Citrus Podcast, August 2020
August brings a special episode of the All In For Citrus podcast as listeners hear from the new leader of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and get an update on digital offerings. Citrus Research and Education Center Director Michael Rogers starts the episode by announcing a redesign to the UF/IFAS Citrus Research website. The …
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 …
New Resource to Help Fight Citrus Greening
If information is power, Florida citrus growers have a new asset in their fight against citrus greening disease. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) statewide citrus program launched a major revision of a website, providing instant access to a portfolio of information valuable to growers. The http://citrusresearch.ifas.ufl.edu/ website is now easier to navigate and includes …