Florida citrus growers hit hard by citrus greening can benefit from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) expertise in an updated book — the third edition of the Nutrition of Florida Citrus Trees. Greening, known scientifically as huanglongbing (HLB), has caused significant damage to Florida’s citrus industry. UF/IFAS scientists and Extension faculty have updated the guide …
What Should I Plant?
Rick Dantzler has determined in conversations over the last few months “that the primary question on growers’ minds is, ‘What should I plant?’ And that really frames the discussion we [the Citrus Research and Development Foundation (CRDF) governing board] had regarding our plant improvement efforts going forward.” Dantzler is CRDF chief operating officer, and he was referring to discussions at …
Valencia Oranges Hit by Heavy Fruit Drop
Heavy fruit drop and weather issues reportedly could lead to reduction in Florida’s Valencia orange crop. Some in the citrus industry said COVID-19 issues in processing plants have also limited the intake of Valencias from groves, but the Florida Citrus Processors Association (FCPA) says that is not likely the case. “Processors have slowed down presumably due to COVID-19 … They …
FAWN Website Now Easier to Use
The Florida Automated Weather Network (FAWN), a University of Florida-operated service aiding agricultural decision-makers statewide since 1997, relaunched its website with a new look and additional features. “Our main goal in revamping the site was to make it more efficient for users,” said Rick Lusher, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) project manager for FAWN. “One …
Sneak Peek: May 2020 Citrus Industry Magazine
Drought conditions this spring have brought renewed attention to the importance of irrigation for Florida citrus growers. The May issue of Citrus Industry magazine includes two articles on irrigation that will help growers make the most of their water resources. In the first article, growers will learn tips on how to keep their irrigation systems properly maintained. University of Florida …
Citrus Work Still Moving Forward at University of Florida
While the scenery may have changed, the work remains the same for the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus faculty and Extension agents. “The coronavirus pandemic has altered the daily routine but not our mission to provide research and educational service to the citrus industry,” said Michael Rogers, director of the UF/IFAS Citrus Research and …
Protecting New Citrus Plantings and Resets From Weeds
By Ramdas Kanissery and Mongi Zekri Newly planted citrus trees and resets require more care and attention than established trees, especially when it comes to weed control. Florida’s weather conditions like high summer temperatures and often heavy rainfall make weed control in young groves difficult. Weeds compete with young citrus trees for nutrients, moisture and other resources, and may hinder …
Surveys on Pandemic’s Impacts to Florida Ag
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) will conduct surveys to better understand how measures to mitigate the spread of COVID-19 are impacting Florida agriculture and marine industries. Faculty from the UF/IFAS Food and Resource Economics (FRE) department are deploying surveys to UF/IFAS Extension agents and industry professionals to capture this important information. Citrus growers and …
Pesticide License Renewal Update for Florida
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus Extension agents reported that the Florida Department of Agriculture and Consumer Services has extended Emergency Order 2020-002, which includes pesticide license renewal and expiration information. Emergency Order 2020-007, signed by Florida Agriculture Commissioner Nikki Fried on April 20, extends the expiration period for another 60 days. “Please remember that …
Fresh Fruit Safety: Worker Training
Fresh citrus workers need to be trained in health and hygiene in order to comply with the Food Safety Modernization Act’s Produce Safety Rule. Jamie Burrow provided that training at an all-day training session for growers earlier this year at the Citrus Research and Education Center (CREC). Burrow is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …
Production Benefits of Gibberellic Acid
Gibberellic acid (GA), a plant growth regulator (PGR), has the potential to aid production. It can reduce citrus flowering, improve fruit size, reduce fruit drop and possibly improve tree health, says researcher Tripti Vashisth. Vashisth is a horticulturist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) at the Citrus Research and Education Center (CREC) in Lake …
Fabric Mulch Groundcovers Save Water
By Sandra M. Guzmán New challenges require new solutions. This is especially true with water and nutrient management in Florida citrus. Currently, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) team is analyzing fabric mulch groundcovers for young lemon trees on a commercial scale. During the last year, the use of groundcovers has shown water savings of …
Herbicide Synergy and Safety: Keys to Successful Weed Management
As most growers in the Sunshine State know, weed management can be difficult in Florida’s climates. “When you think about Florida citrus production, weeds flourish in citrus tree lines and tree rows because there is a constant supply of moisture and nutrients,” said Ramdas Kanissery, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) weed science assistant professor. “So …
Irrigation Management Advice for HLB Trees
Water is a limiting factor in Florida citrus production during the majority of the year. Florida citrus trees may require irrigation throughout the year due to the low water-holding capacity of sandy soils and the warm subtropical climate with distinct drought periods during the spring. Davie Kadyampakeni, assistant professor of soil and water sciences at the University of Florida Institute …
Hemp Grower Partners Wanted
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hemp program is seeking 20 qualified partners across Florida for on-farm trials. Zack Brym, agronomist at the Tropical Research and Education Center in Homestead and research coordinator of the UF/IFAS Industrial Hemp Pilot Project, says partner farms will conduct a coordinated field planting on 2 acres with variations in land …
Planting-Density and Nutrition Trial Results
Planting-density and nutrition trials in the Indian River area were among the topics discussed at the Florida Citrus Show earlier this year. The presenter was Rhuanito “Johnny” Ferrarezi, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher at the Indian River Research and Education Center. A grapefruit planting-density trial utilized a staggered diamond set to maximize trees …
Nursery Diseases at Planting: What to Watch for
By Ozgur Batuman and Megan Dewdney Citrus nurseries work very hard and put forth considerable effort to reduce pest and disease problems. However, there continues to be problems with certain diseases, because the nursery environment for growing citrus trees is ideal for many pests and diseases. Basic principles of good nursery sanitation practices together with screening and removing suspected or …
Weed Control May Help Psyllid Management
By Ramdas Kanissery, Justin George and Lukasz Stelinski Weed management is a crucial component in Florida’s citrus production. Recent University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research shows that weed management may have additional pest management benefits for citrus growers. Maintaining a weed-free grove and perimeter areas may help improve management of the Asian citrus psyllid (ACP), …
COVID-19 and Food Safety: Facts vs. Fiction
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) experts want to help dispel a media-dispersed untruth about COVID-19. UF/IFAS scientists offering accurate information and food safety tips to the citrus industry about COVID-19 include Travis Chapin, Michelle Danyluk, Renee Goodrich Schneider and Keith Schneider. According to the UF/IFAS scientists, the Centers for Disease Control and Prevention, the Food …
HLB and Citrus Root Health
“We’re not going to have a silver bullet” for HLB, says Lorenzo Rossi, an assistant professor at the Indian River Research and Education Center. Instead, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) root biologist says that researchers are trying to keep citrus producing profitably. Rossi described some of his research efforts that focus on root health …