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 procedure, decrease data collection time and …
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 webinar …
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 and director …
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 …
Retail Orange Juice Prices and Sales on the Rise
The most recent Nielsen report reveals promising news for Florida retail orange juice (OJ) sales. During a recent Florida Department of Citrus (FDOC) webinar, Marisa Zansler, director of the FDOC Economic and Market Research Department, presented a summary of the second Nielson report for the 2020–21 citrus season through the four-week period ending Nov. 28. The report shows that OJ sales for this period …
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 …
New BMP Record-Keeping Requirements for Florida Growers
On July 1, 2020, new record-keeping requirements went into effect for nitrogen and phosphorus amounts applied by growers enrolled in the Florida Department of Agriculture and Consumer Services (FDACS) Best Management Practices (BMP) program. These records are required due to the passage of Senate Bill 712, the Clean Waterways Act. Citrus growers have been asking many questions about this new …
Fruit Drop Weighs Heavily on Florida Growers
Numerous Florida citrus growers are experiencing heavy fruit drop this fall. “For some growers, it’s the worst fruit drop they have experienced; 50 percent-plus,” says grower Lee Jones with Cross Covered Caretaking. Grower Jim Snively, with Southern Gardens Citrus, said he is hearing talk of around 30 to 50 percent-plus fruit drop. “I’m hearing pick-outs that are 20 percent to …
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, 2021. …
Using Grapefruit to Deliver Medicine
University of Louisville (UofL) researchers have found a less toxic way to deliver medicines by using the natural lipids in plants, particularly grapefruit and ginger. The UofL technologies use exosomes, which are very small fragments of living, edible plant cells, to transport various therapeutic agents, including anti-cancer drugs, DNA/RNA and proteins such as antibodies. These exosomes help ensure the drug is …