Citrus trees grown in Florida continuously undergo various types and levels of stress. Stressors can include severe weather conditions, soil pH, chemicals, pests and diseases. The constant presence of HLB and psyllid infestation adds further stress to the tree, compromising overall tree health. Off-season flowering and prolonged flowering are common responses of trees when undergoing various stress conditions. Off-season and …
Choosing a Lemon Rootstock
By Kim D. Bowman Lemons are a relatively small part of the Florida citrus crop. But with more than 317,000 lemon trees propagated in Florida nurseries over the past two years, lemons are clearly gaining increasing interest from growers trying to find a crop that is easier to grow and with a quick return on investment. As is the case …
Growing Citrus Trees With Oak Mulch
Lukas Hallman, a graduate student at the Indian River Research and Education Center (IRREC), is doing research to find what is in oak trees that apparently helps citrus cope with HLB. The University of Florida Institute of Food and Agricultural Sciences operates the IRREC. “Anecdotal reports from Florida growers claim that citrus trees growing within the drip line of large …
ACP/HLB Management Survey for California
Researchers from Sacramento State and the University of California, Riverside are requesting input from citrus industry members to help examine the economics of Asian citrus psyllid (ACP) and huanglongbing (HLB) management in California citrus groves. The research team is looking for growers, advisors and other citrus industry members in California to provide input on overall knowledge of ACP and HLB, …
Rogers on Fruit Drop, Meetings and More
Add Michael Rogers to the list of those seeing early-season fruit drop in Florida this fall. Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, saw the drop while visiting groves. In the December All In For Citrus podcast, he also addresses flower bud induction advisories and upcoming UF/IFAS presentations. …
Freeze Protection Measures for Citrus
Multi-county citrus Extension agent Chris Oswalt discussed historical and current freeze protection measures in a virtual Dec. 22 OJ Break. PASSIVE MEASURESSome cold-protection measures are taken well in advance of freezes; Oswalt referred to them as passive measures. They include grove site selection, crop selection and cultural practices. One site selection consideration is planting groves at higher elevations, which are …
Drought and Heat Harm Brazil’s Harvest
By Maurício Mendes There is a saying among those who have been in the industry for a long time: “There is no citrus harvest like the other.” Growers are facing production challenges in the current harvest season in Brazil. HOT, DRY CONDITIONSThe first signs of a decrease in the season’s fruit crop were given by last year’s (August to September …
High-Tech Scouting in Citrus Production
By Yiannis Ampatzidis and Tara Wade Traditional sensing technologies in citrus production for pest and disease detection and field phenotyping rely on manual sampling, which is time consuming and labor intensive. Since availability of personnel trained for field scouting is a major problem, small unmanned aerial vehicles (UAVs) equipped with various sensors and artificial intelligence (AI) can simplify the surveying …
Citrus Holiday Traditions
By Ruth Borger and Megan Dewdney Oranges and other citrus have a special place during holiday celebrations. We find them in our decorations, on our dinner table, shipped to friends and families across the country, and sometimes, if you are really good, in your Christmas stocking. But where did these traditions come from? And when did they become part of …
Orange You Glad to Meet Miss Florida Citrus?
By Brenda Eubanks Burnette Leila Sabet, Miss Florida Citrus 2020, virtually started her year of service in June by competing in the very first virtual Miss America preliminary pageant in Florida. Due to COVID-19, Miss Florida Citrus appearances have not been as prolific as in past years. However, as restrictions have eased, Sabet has been invited to several industry events. …
Recommendations for Managing Fruit Drop
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 …
Root Bacteria Could Help Defeat HLB
A team led by the University of California, Riverside (UCR) is looking at tiny underground microorganisms for a way to prevent a huge problem — huanglongbing (HLB), a disease with no cure that has decimated citrus orchards worldwide. “Often times, it is thought of as an above-ground disease of the fruits, leaves and stems,” said Caroline Roper, plant pathology professor …
Peptide, CRAFT Research Funded
A company that recently obtained a patent for a natural peptide solution to treat HLB has received Citrus Research and Development Foundation (CRDF) funding to see if the product has efficacy for other citrus diseases. CRDF will fund the company, Elemental Enzymes, for about $61,200, said CRDF Chief Operating Officer Rick Dantzler. Elemental Enzymes proposes to do research “to see …
Food-Safety Concerns Sought for Produce Industry
The University of Florida (UF) and Rutgers University are teaming up to find out what food-safety issues are the biggest concerns across the produce industry. Members of the produce industry are invited to participate in an anonymous online survey that will take approximately 10 minutes to complete. UF Institute of Food and Agricultural Sciences researcher Michelle Danyluk said the survey …
Management Advice for Aquatic Weeds
Nearly every Florida citrus grower will sooner or later experience aquatic weed control problems. Aquatic plants are necessary for maintaining the balance of nature and offering food, protection, oxygen and shelter to aquatic species. However, maintaining a balance in the aquatic system while sustaining crop success and avoiding loss of income can be a challenge. Excessive aquatic weed growth can …
Texas Grapefruit Sweepstakes Launched
Texas-based grapefruit brand Winter Sweetz announced the launch of its Sweeter in Texas sweepstakes to celebrate the Texas red grapefruit season during the holidays. Consumers may enter the sweepstakes from Dec. 15 to Jan. 15. There will be weekly prizes and a grand prize winner. Every week, two winners will be selected at random to receive a free shipment of …
All In For Citrus Podcast, December 2020
December brings the holiday season, but it is also a busy time for harvesting Florida citrus. As early-season varieties come off the trees, the December episode of the All In For Citrus podcast blends critical information for growers with a little holiday history and cheer. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center …
Teal Earns Top Farm Bureau Award
Lowell Teal, former executive director of the Orange County Farm Bureau, received Florida Farm Bureau’s most prestigious honor, the Distinguished Service Award. Florida Farm Bureau President John Hoblick presented the award on Oct. 8. Of special interest to the citrus industry, Teal is credited with being instrumental in pioneering the microsprinkler irrigation system for Florida citrus growers statewide. In addition …
Effort to Make Ag Workers a Top Vaccine Priority
The Florida Fruit & Vegetable Association (FFVA) on Dec. 2 urged Florida Gov. Ron DeSantis to include agricultural workers among the state’s top priorities for the COVID-19 vaccine allocation. The request was similar to one various national-level food industry organizations made to President Donald Trump in November. “We understand the state has begun preparations for the rollout of the initial …
Dual Strategy to Increase ACP Control
Researchers at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are looking to increase the efficiency of known Asian citrus psyllid (ACP) control techniques by using them together. The pairing should help control populations of the insect that spreads huanglongbing (HLB) disease. Bryony Bonning, UF/IFAS eminent scholar and entomology professor, is leading the research funded by a …